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S••••••••• I••••••••• L••

Single family office (confirmed)Top 500· Tulsa, OK

Single family office (confirmed), based in Tulsa, OK, with 1 direct investment on record.

Composed from this office's classification, location and record.

Direct investments
1
Deal announcements, Form D and filings
Decision makers
1 of 4
The office's site, Form ADV Schedule A and filings
13F holdings
$383M
Form 13F
Last deployment
Aug 2026
The latest dated investment or commitment on record
As of · the latest observation of this office; filed figures carry their own filing dates
Readings, classification basis and verificationidentity confidence 75% · 77 observations · 4 sourcesShow
Single family office (confirmed)Verified Sep 13, 2026 (10 days ago)4 people · 1 investments · 9 public positions · 19 events

Why this class: Press coverage of its 13F filing describes Tulsa-based S••••••••• I•••••••• as tied to the S••••••••• family office, with a S••••••••• Family Investments managing director signing the filing..

Direct investing
15
moderate
Private markets
10
low

Each reading is 0 to 100 from the listed components in the evidence section; hover a tile for what it measures. No evidence yet of: external managers, sponsor-friendly, real estate, co-investment.

Profile completeness 63% (high value, high value deep; the most valuable missing fact is contacts)
identityclassificationwealth origincapital-scale evidencepeoplecontactsmandatedirect investmentsfund relationshipsco-investorssponsor relationshipsreal estatepublic holdingsrecent eventsprovenancefreshness
Overview
show
Classification
Single family office (confirmed)
Description
••• Locked
Headquarters
••• Locked
Office address
unknown
Business phone
unknown
Website
unknown
Year established
unknown
Assets under management
unknown
Capital scale
Reported office AUM: unknown. 13F disclosed value $383M. These are different facts and are never added together.
Form 13F
$383M across 9 positions, quarter ended Jun 30, 2026. Long 13(f) securities only; never the whole portfolio.Fact
Classification history
  • Sep 13, 2026Single family office (confirmed) 75%Press coverage of its 13F filing describes Tulsa-based S••••••••• I•••••••• as tied to the S••••••••• family office, with a S••••••••• Family Investments managing director signing the filing.Factverifiedaol.com••• Locked
  • Sep 12, 2026Candidate 30%13F filer that is on no adviser roster and is not institutional by name: could be an SFO, a corporate treasury or a trust companyInference
Family and wealth origin
show
Family served
S••••••••• family: L••• S•••••••••, daughter S•••• S•••••••••; sons Jay and Hal live in I•••••
Source of wealth
unknown
Operating company origin
Samson Investment Company / Samson Resources (Tulsa oil and gas), founded by Charles S•••••••••
Team
4 people, 1 with investment decisions, decision makers firstshow
PersonTitleResponsibilityBusiness contactSource
R••••• G••••Treasurer of Reporting ManagerOperations and finance · investment decisions
phone: ••• Locked (published by the subject)
sec.gov Fact
L••• S••••••••• familyFounder and chair emeritaFamily principal · investment decisionsnone on record
S•••• H• S••••••••• familyChair, S••••••••• Family Investments and S••••••••• Family Philanthropies; CEO, Samson EnergyFamily principal · investment decisionsnone on record
R••••• G••••Treasurer of Reporting ManagerOperations and finance
phone: ••• Locked (published by the subject, Aug 14, 2026)
sec.gov Fact
1 former person
S••••• C••••, Former Chief Investment Officer, until Sep 13, 2026
Office contact points
Office address: ••• Locked (published by the subject) sec.gov
Signals and timeline
2show

Most significant first: what kind of change it is, its size, whose change it is, and how recent. 2 events. 13F position changes are under Public stakes and holdings.

  • Sep 13, 2026Classification changed••• Lockedc•••••••••Factaol.com
  • Sep 11, 2026Office discovered••• LockedDiscoveryInferencesec.gov
Investment mandate
show

••• Locked

Stated (their words, cited)
Sectors
••• Locked Fact altss.com
••• Locked
Asset classes
••• Locked Fact altss.com
••• Locked
Geography mandate
••• Locked Inference prnewswire.com
••• Locked
Allocates to managers
Uses direct co-i•••••••••, SPVs and fund-of-funds commitments Fact altss.com
••• Locked
Observed (from the investment record)
States
none Fact
Control
passive (1) Fact
Sectors
none Fact
Subsectors
none Fact
Co investors
none Fact
Asset classes
public equity (1) Fact
Direct vs fund
Fund: 0 · Direct: 1 · Real estate: 0 Fact
Sponsors backed
none Fact
Investment count
1 Fact
Investment kinds
public stake 13g (1) Fact
First and last deal
Last: 2021-10-12 · First: 2021-10-12 Fact
Lead vs participant
unknown (1) Fact
Disclosed check sizes
Max: unknown · Min: unknown · Count: 0 Fact
••• Locked
Inferred (regulatory shape and team)
Public equity book
$391M Inference
13F table value, quarter ended 2026-03-31; long 13(f) securities only
Invests directly
unknown
Allocates to managers
Uses direct co-i•••••••••, SPVs and fund-of-funds commitments
Asset classes
PE, venture and growth, real estate, private credit, Infrastructure, natural resources
Sectors
FinTech, energy transition, digital health, PropTech, ClimateTech, EdTech, AgTech, robotics, media, industrial tech
Geography
U.S. and I••••• venture/growth (I•••••i portfolio: SQream, Healthy.io, Navina, Embryonics, retrain.ai)
Check size
unknown
Direct investments
show
No substantiated direct investment on the record. Absence here is absence of evidence, not evidence of absence.
Fund and manager relationships
show
No fund commitment or manager relationship on the record. Commitment amounts are shown only when public.
Public stakes and holdings
9 positionsshow
Stakes the office filed (Schedule 13D, 13G, Section 16)
First filedIssuerFiled asFilings
Oct 12, 2021R•••• I•••Schedule 13G (passive)••• Locked sec.gov
Form 13F holdings

Top 9 positions of 9 for the quarter ended Jun 30, 2026; $383M shown of $383M reported. Long 13(f) securities only. Never presented as the whole portfolio.

IssuerClassValueSharesWeight
I•••••• E••••••• T••••• F• T•S&P500 EQL WGT$133M625,00034.7%
S•••• S•• S••• S•• 5•• E•• T•TR UNIT$100M133,97726.1%
K••••• H•••• I••COMMON STOCK$75.2M1,507,28719.6%
C•••••• G•• F•••• I••• E•• T•US MULTI-SECTOR$49.7M1,818,18513.0%
R••••• H••••••• C•••COM CL A$22.1M3,018,6165.8%
I•••••• I••MSCI WORLD ETF$1.1M5,3750.3%
I•••••• T•MSCI EAFE ETF$1.1M10,4600.3%
I•••••• T•RUSSELL 2000 ETF$591,8871,9700.2%
S••• S••••• T••••ST STR BLO 1 ETF$500,3545,4600.1%
Changes between the last two quarters
  • Jun 30, 2026 ••• Locked sec.gov
  • Jun 30, 2026 ••• Locked sec.gov
  • Jun 30, 2026 ••• Locked sec.gov
  • Mar 31, 2026 ••• Locked sec.gov
  • Sep 30, 2025 ••• Locked sec.gov
All 10 changes
  • Sep 30, 2025 ••• Locked sec.gov
  • Sep 30, 2025 ••• Locked sec.gov
  • Sep 30, 2025 ••• Locked sec.gov
  • Sep 30, 2025 ••• Locked sec.gov
  • Jun 30, 2025 ••• Locked sec.gov
Real estate
show
No documented real estate ownership link. A property is attributed to an office only through a documented control relationship, never from a surname.
Co-investors
show
No co-investor on the record.
Independent sponsor relationships
show
No cited relationship to an independent sponsor.
Related entities
show
Sources and evidence
77show

Every observation behind this profile: the value, when it was effective, the source, the quote where there is one, and whether it is a fact, an inference or an estimate. 77 shown.

Score components
Freshness
+100 d••• s•••• t•• n••••• s••••••••• f••• o• a•••••• v••••••••• (9 days)
Contactability
+20 v••••••• b••••••• p••••• (2)
Data confidence
+10 d•••••••••
+10 s••••• m••••••
+10 p•••••
+15 i•••••••••
+5 p••••• h•••••••
+10 r••••••••• r•••••
+20 i••••••••• s•••••• (4 sources)
Active deployment
no components; scored 0
Exists confidence
+50 r••••••••• i••••••••• •••• C•• o• E•••
+30 i••••••••• s•••••• (4 sources)
+30 a•••••••••
Research priority
+13 c•••••• s•••• ••••••• o• 1••• R•••• A••• f••••••••• a•••••• ($391,265,427)
+15 s••••• f••••• o• f••••• i••••••••• c••••••
+3 d••••• i••••••••• o• r•••••
+5 n• d••••••••• y•• •••••••• w•••• a•• o•••
+2 n• w•••••• k•••• •••••••• w•••• f••• o•••
+0 r••• (85)
Mandate confidence
+10 m•••••• s•••••••• b• o••••••• i•••••••••
+20 s••••• m•••••• o• t•• r•••••
Identity confidence
+75 c••••••••• (••• Locked)
Real estate propensity
no components; scored 0
Co investment propensity
no components; scored 0
Family identity confidence
+60 w••••• o••••• o• o•••••••• c•••••• o• t•• r•••••
+40 f••••• n•••• (••• Locked)
+20 f••••• p•••••••• o• s••••
Private markets propensity
+10 s••••• v••••••
Current activity confidence
+25 f•••• a• 1•• f•• a• r••••• q•••••• ••• e••••• o•••••••• n•• d•••••••••
+25 a• s••••••••• f••• w••••• 1• m••••• (10 days)
External manager propensity
no components; scored 0
Direct investment propensity
+15 o••••••• d••••• i••••••••• (1 on the record)
Independent sponsor propensity
no components; scored 0
View all 77 observations
FactValueEffectiveSourceClass
Allocates to managersUses direct co-i•••••••••, SPVs and fund-of-funds commitments
••• Locked
Sep 13, 2026DFX analyst research (General-assisted, every claim URL-cited) altss.comFact
Asset classes••• Locked
••• Locked
Sep 13, 2026DFX analyst research (General-assisted, every claim URL-cited) altss.comFact
Decision rights••• Locked
••• Locked
Sep 13, 2026DFX analyst research (General-assisted, every claim URL-cited) altss.comFact
Description••• Locked
••• Locked
Sep 13, 2026DFX analyst research (General-assisted, every claim URL-cited) aol.comFact
Description••• Locked
••• Locked
Sep 13, 2026DFX analyst research (General-assisted, every claim URL-cited) aol.comFact
Edgar entity typeotherSep 12, 2026SEC EDGAR entity submissions record (filer profile: forms filed, SIC, entity type, website) sec.govFact
Edgar forms13F-HR,N-PX,SC 13G,SC 13G/ASep 12, 2026SEC EDGAR entity submissions record (filer profile: forms filed, SIC, entity type, website) sec.govFact
Family generation••• Locked
••• Locked
Sep 13, 2026DFX analyst research (General-assisted, every claim URL-cited) altss.comInference
Family servedS••••••••• familyn/aDFX model output (c••••••••• rules, scores, mandates, matches) no URLInference
Family served••• Locked
••• Locked
Sep 13, 2026DFX analyst research (General-assisted, every claim URL-cited) en.wikipedia.orgFact
Filing address••• LockedJun 30, 2026SEC Form 13F data sets (quarterly holdings, all filers) sec.govFact
Filing address••• LockedMar 31, 2026SEC Form 13F data sets (quarterly holdings, all filers) sec.govFact
Filing address••• LockedDec 31, 2025SEC Form 13F data sets (quarterly holdings, all filers) sec.govFact
Filing address••• LockedSep 30, 2025SEC Form 13F data sets (quarterly holdings, all filers) sec.govFact
Filing address••• LockedJun 30, 2025SEC Form 13F data sets (quarterly holdings, all filers) sec.govFact
Filing address••• LockedMar 31, 2025SEC Form 13F data sets (quarterly holdings, all filers) sec.govFact
Filing address••• LockedDec 31, 2024SEC Form 13F data sets (quarterly holdings, all filers) sec.govFact
13F filerYJun 30, 2026SEC Form 13F data sets (quarterly holdings, all filers) sec.govFact
13F filerYMar 31, 2026SEC Form 13F data sets (quarterly holdings, all filers) sec.govFact
13F filerYDec 31, 2025SEC Form 13F data sets (quarterly holdings, all filers) sec.govFact
13F filerYSep 30, 2025SEC Form 13F data sets (quarterly holdings, all filers) sec.govFact
13F filerYJun 30, 2025SEC Form 13F data sets (quarterly holdings, all filers) sec.govFact
13F filerYMar 31, 2025SEC Form 13F data sets (quarterly holdings, all filers) sec.govFact
13F filerYDec 31, 2024SEC Form 13F data sets (quarterly holdings, all filers) sec.govFact
13F admission signalNon adviser filerDec 31, 2025SEC Form 13F data sets (quarterly holdings, all filers) sec.govFact
Other managers on 13F0Jun 30, 2026SEC Form 13F data sets (quarterly holdings, all filers) sec.govFact
Other managers on 13F0Mar 31, 2026SEC Form 13F data sets (quarterly holdings, all filers) sec.govFact
Other managers on 13F0Dec 31, 2025SEC Form 13F data sets (quarterly holdings, all filers) sec.govFact
Other managers on 13F0Sep 30, 2025SEC Form 13F data sets (quarterly holdings, all filers) sec.govFact
Other managers on 13F0Jun 30, 2025SEC Form 13F data sets (quarterly holdings, all filers) sec.govFact
Other managers on 13F0Mar 31, 2025SEC Form 13F data sets (quarterly holdings, all filers) sec.govFact
Other managers on 13F0Dec 31, 2024SEC Form 13F data sets (quarterly holdings, all filers) sec.govFact
Latest 13F quarter2026-06-30Jun 30, 2026SEC Form 13F data sets (quarterly holdings, all filers) sec.govFact
Latest 13F quarter2026-03-31Mar 31, 2026SEC Form 13F data sets (quarterly holdings, all filers) sec.govFact
Latest 13F quarter2025-12-31Dec 31, 2025SEC Form 13F data sets (quarterly holdings, all filers) sec.govFact
Latest 13F quarter2025-09-30Sep 30, 2025SEC Form 13F data sets (quarterly holdings, all filers) sec.govFact
Latest 13F quarter2025-06-30Jun 30, 2025SEC Form 13F data sets (quarterly holdings, all filers) sec.govFact
Latest 13F quarter2025-03-31Mar 31, 2025SEC Form 13F data sets (quarterly holdings, all filers) sec.govFact
Latest 13F quarter2024-12-31Dec 31, 2024SEC Form 13F data sets (quarterly holdings, all filers) sec.govFact
13F positions9Jun 30, 2026SEC Form 13F data sets (quarterly holdings, all filers) sec.govFact
13F positions9Mar 31, 2026SEC Form 13F data sets (quarterly holdings, all filers) sec.govFact
13F positions9Dec 31, 2025SEC Form 13F data sets (quarterly holdings, all filers) sec.govFact
13F positions6Sep 30, 2025SEC Form 13F data sets (quarterly holdings, all filers) sec.govFact
13F positions4Jun 30, 2025SEC Form 13F data sets (quarterly holdings, all filers) sec.govFact
13F positions3Mar 31, 2025SEC Form 13F data sets (quarterly holdings, all filers) sec.govFact
13F positions3Dec 31, 2024SEC Form 13F data sets (quarterly holdings, all filers) sec.govFact
13F table value$383MJun 30, 2026SEC Form 13F data sets (quarterly holdings, all filers) sec.govFact
13F table value$391MMar 31, 2026SEC Form 13F data sets (quarterly holdings, all filers) sec.govFact
13F table value$437MDec 31, 2025SEC Form 13F data sets (quarterly holdings, all filers) sec.govFact
13F table value$438MSep 30, 2025SEC Form 13F data sets (quarterly holdings, all filers) sec.govFact
13F table value$65.6MJun 30, 2025SEC Form 13F data sets (quarterly holdings, all filers) sec.govFact
13F table value$39.9MMar 31, 2025SEC Form 13F data sets (quarterly holdings, all filers) sec.govFact
13F table value$41.9MDec 31, 2024SEC Form 13F data sets (quarterly holdings, all filers) sec.govFact
Formation year••• Locked
••• Locked
Sep 13, 2026DFX analyst research (General-assisted, every claim URL-cited) altss.comFact
Geographic mandate••• Locked
••• Locked
Sep 13, 2026DFX analyst research (General-assisted, every claim URL-cited) prnewswire.comInference
Headquarters••• Locked
••• Locked
Sep 13, 2026DFX analyst research (General-assisted, every claim URL-cited) sec.govFact
HeadquartersTulsa, OKJun 30, 2026SEC Form 13F data sets (quarterly holdings, all filers) sec.govFact
HeadquartersTulsa, OKMar 31, 2026SEC Form 13F data sets (quarterly holdings, all filers) sec.govFact
HeadquartersTulsa, OKDec 31, 2025SEC Form 13F data sets (quarterly holdings, all filers) sec.govFact
HeadquartersTulsa, OKSep 30, 2025SEC Form 13F data sets (quarterly holdings, all filers) sec.govFact
HeadquartersTulsa, OKJun 30, 2025SEC Form 13F data sets (quarterly holdings, all filers) sec.govFact
HeadquartersTulsa, OKMar 31, 2025SEC Form 13F data sets (quarterly holdings, all filers) sec.govFact
HeadquartersTulsa, OKDec 31, 2024SEC Form 13F data sets (quarterly holdings, all filers) sec.govFact
Legal entity••• Locked
••• Locked
Sep 13, 2026DFX analyst research (General-assisted, every claim URL-cited) sec.govFact
Legal entity••• Locked
••• Locked
Sep 13, 2026DFX analyst research (General-assisted, every claim URL-cited) aol.comInference
Liquidity event••• Locked
••• Locked
Sep 13, 2026DFX analyst research (General-assisted, every claim URL-cited) en.wikipedia.orgFact
Office type (stated)Single family office
••• Locked
Sep 13, 2026DFX analyst research (General-assisted, every claim URL-cited) aol.comFact
Operating company origin••• Locked
••• Locked
Sep 13, 2026DFX analyst research (General-assisted, every claim URL-cited) en.wikipedia.orgFact
Philanthropy program••• Locked
••• Locked
Sep 13, 2026DFX analyst research (General-assisted, every claim URL-cited) caplight.comFact
Public stake filed (13D, 13G, Section 16)R•••• I•••Oct 12, 2021SEC EDGAR entity submissions record (filer profile: forms filed, SIC, entity type, website) sec.govFact
Real estate strategy••• Locked
••• Locked
Sep 13, 2026DFX analyst research (General-assisted, every claim URL-cited) graniteprop.comFact
Satellite office••• Locked
••• Locked
Sep 13, 2026DFX analyst research (General-assisted, every claim URL-cited) jpost.comFact
Sectors••• Locked
••• Locked
Sep 13, 2026DFX analyst research (General-assisted, every claim URL-cited) altss.comFact
Stage preference••• Locked
••• Locked
Sep 13, 2026DFX analyst research (General-assisted, every claim URL-cited) prnewswire.comInference
Website searchNot foundSep 21, 2026DFX model output (c••••••••• rules, scores, mandates, matches) no URLInference
Website searchNot foundSep 19, 2026DFX model output (c••••••••• rules, scores, mandates, matches) no URLInference
Website searchNot foundSep 12, 2026DFX model output (c••••••••• rules, scores, mandates, matches) no URLInference