DFX Intelligence

RIA Intelligence

Registered investment advisers, the advisors registered through them, the capital they report, the private vehicles they run and the people who own them, as a graph with a filing date behind every number. RAUM is what the adviser filed, a move is two registration dates, and a class is a rule you can read.

SEC-registered adviser

Pentwater Capital Management LP

Asset manager (funds and pooled vehicles)Naples, FloridaCRD 156873SEC 801-72861websiteIAPD
Latest filing Mar 31, 2026
First filing on the tape Mar 30, 2012 · 62 filings
SEC status approved since Nov 16, 2011
RAUM
$19B
reported, Item 5.F
Discretionary
100%
of RAUM
Private clients
0.0%
$0 individuals and HNW
Advisors
0
registered through the firm on IAPD
RAUM per advisor
n/a
derived; firm RAUM over IAPD count
Employees
45
20 advisory (5.B.1)
Offices
1
beyond the principal office
Private funds
7
reported on Schedule D
History
62 filings and snapshots on the tape
RAUM$19B as of Mar 31, 2026
Mar 30, 2012$2.0B then
HNW client RAUM$83.8M as of Mar 29, 2019
Mar 30, 2018$121M then
State-registered IARs (5.B.3)0 as of Mar 31, 2026
Mar 30, 20120 then
Employees (5.A)45 as of Mar 31, 2026
Mar 22, 201327 then
Private funds7 as of Mar 31, 2026
Mar 30, 20124 then
RAUM +106% over the last fiscal year+49% a year over threeIARs 0 to 0
Practice profile
derived from the filing of Mar 31, 2026; every figure names its basis
RAUM per advisor
unknownderivedRAUM over IAPD advisors; not a book size
Clients per advisor
unknownderivedindividual and HNW clients (5.D) over advisors
Average HNW client
unknownderivedHNW RAUM over HNW clients
Average account
$838MderivedRAUM over accounts (5.F.2.f)
Discretionary
100%derivedof RAUM
Institutional
0.0%derivedpensions, charities, corporations, government, insurance, banks, other advisers
Employees per advisor
unknownderivedItem 5.A over advisors
Advisors per office
unknownderived2 offices incl. principal (1.F.5)
RAUM growth, one year
+106%derivedbetween the last two annual amendments
Advisor growth, one year
unknownderivedItem 5.B.3 between annual amendments
Client growth, one year
unknownderived
Compensation
percentage of assets, performance-basedreportedItem 5.E
Advisory activities
portfolio management for businesses and institutions, portfolio management for pooled vehiclesreportedItem 5.G
Custody
$18B, 19 clientsreportedItem 9.A
Ownership
no PE, bank or public-company owner found on Schedule Aderived
Advisor book size
not public; not estimatedreported
Also answered yes on Form ADV
  • buys or sells securities as principal to or from clients (8.A.2)
  • has discretionary authority over which securities are bought or sold (8.C.1)
  • compensates persons for client referrals (8.G.1)
  • compensates non-employees for client referrals (8.G.2)
  • has custody of client cash or bank accounts (9.A.1.a)
  • has custody of client securities (9.A.1.b)
Where the RAUM sits
Form ADV Item 5.D, latest filing
  • Pooled investment vehicles$18B94%
  • Corporations and businesses$1.1B5.6%
Individual clients
n/areported
HNW clients
n/areported
Pension plan clients
n/areported
Charitable clients
n/areported
Accounts
23reported
Financial planning clients
reported
Wrap fee programs
noreported
Custody of client assets
$18B for 19 clientsreported
Compensation
% of AUM, performancereported
Class basis
private_client_share=0.0 fund_share=0.94 institutional_share=0.0 related_bd=false related_bank=false bd_reps=0.0derived
Advisors registered through the firm
0 on IAPD today, longest tenure first
No representative is registered through this CRD on IAPD.
Advisor movement
Left, latest
none on the tape
    Joined, latest
    none on the tape
      Private funds
      15 reported on Schedule D 7.B.(1)
      FundTypeGross assetsOwnersFirst reported
      Pentwater Merger Arbitrage Master Fund LtdHedge Fund$3.3B84Jan 18, 2013
      Pentwater Equity Opportunities Fund Ltd.no longer reportedHedge Fund$2.0B19Mar 30, 2012
      Pwcm Master Fund LtdHedge Fund$1.6B61Jan 18, 2013
      Oceana Master Fund LtdHedge Fund$1.2B1Jan 18, 2013
      Pentwater Equity Opportunities Master Fund Ltd.Hedge Fund$953M7Jan 18, 2013
      Pentwater Event Fund LLCno longer reportedHedge Fund$781M31Mar 30, 2012
      Oceana Fund LLCno longer reportedHedge Fund$764M1Mar 30, 2012
      Pentwater Event Driven Cayman Fund Limitedno longer reportedHedge Fund$254M1Sep 26, 2013
      Pentwater Credit Master Fund Ltd.Hedge Fund$190M7Jan 13, 2020
      Pentwater Unconstrained Master Fund Ltd.Hedge Fund$98.4M1Oct 11, 2019
      Pentwater Merger Arbitrage Fund LLCno longer reportedHedge Fund$19.0M3Mar 30, 2012
      Pentwater Metric Merger Arbitrage Fund LPHedge Fund$1.6M1Jan 13, 2020
      Pentwater Credit Opportunities Master Fund Ltd.no longer reportedHedge Fund$1.4M10Sep 26, 2013
      Amundi Absolute Return Pentwater Fund PlcHedge Fund$991,0001Aug 17, 2012
      Pentwater Thanksgiving Fund LPHedge Fund$746,0001Feb 27, 2017
      Owners and control persons
      Schedule A and B, latest filing
      • Charles Matthew Halbower · Chief Executive Officercontrol
        since 01/2007 · owns less than 5%
      • Joyce Kalleekal · Chief Financial Officercontrol
        since 06/2023 · owns less than 5%
      • David Hooman Tavakolian · Chief Compliance Officercontrol
        since 08/2022 · owns less than 5%
      • Morris David Zirin · Chief Operating Officercontrol
        since 04/2007 · owns less than 5%
      • Schulz Julie Halbower · Trusteecontrol
        since 07/2007 · owns F of Halbower Legacy Trust
      • Charles Matthew Halbower · Limited Partnercontrol
        since 08/2024 · owns 50% to 75% of Pentwater Partners LP
      • Charles Matthew Halbower · Shareholdercontrol
        since 07/2007 · owns 75% or more of Halbower Holdings Inc.
      • Lee Susan Halbower · Trusteecontrol
        since 07/2007 · owns F of Halbower Legacy Trust
      Entity owners
      • Halbower Holdings Inc. · General Partner
        direct · owns less than 5%
      • Pentwater Partners LP · Limited Partner
        direct · owns 75% or more
      • Halbower Holdings Inc. · General Partner
        indirect · owns F of Pentwater Partners LP
      • Halbower Legacy Trust · Limited Partner
        indirect · owns 25% to 50% of Pentwater Partners LP
      Related persons
      Schedule D 7.A
      • Pentwater Metric Merger Arbitrage Gp LLC
        pooled vehicle sponsorn
      • Pwcm Gp LLC
        pooled vehicle sponsorn
      Offices
      Schedule D 1.F, the 25 largest
      • Evanston, IL8 employees
      ADV anomalies
      1 against comparable advisers; where to look, not conclusions
      • RAUM up 50 %Change between filings · filing Mar 31, 2026
        RAUM (Item 5.F) moved from $9,348,331,000 to $19,263,985,072 (+106.0%) between the annual amendments of 2025-03-31 and 2026-03-31; the peer median change was +13.0% (631 comparable advisers, 96.0th percentile of changes)
        peers: asset managers, $5B to $20B (631) · 96% percentile
      What changed
      consecutive filings, newest first
      • Accounts · 24 to 23
        Mar 31, 2025 to Mar 31, 2026
      • Pooled vehicle clients · 22 to 21
        Mar 31, 2025 to Mar 31, 2026
      • Assets in custody · $8.7B to $18B
        Mar 31, 2025 to Mar 31, 2026
      • Employees · 44 to 45
        Mar 31, 2025 to Mar 31, 2026
      • Private funds · 8 to 7
        Mar 31, 2025 to Mar 31, 2026
      • Discretionary RAUM · $9.3B to $19B
        Mar 31, 2025 to Mar 31, 2026
      • Pooled vehicle RAUM · $8.7B to $18B
        Mar 31, 2025 to Mar 31, 2026
      • RAUM · $9.3B to $19B
        Mar 31, 2025 to Mar 31, 2026
      • Advisory employees · 21 to 20
        Sep 6, 2024 to Mar 31, 2025
      • Assets in custody · $7.6B to $8.7B
        Sep 6, 2024 to Mar 31, 2025
      • Employees · 45 to 44
        Sep 6, 2024 to Mar 31, 2025
      • Financial planning clients · unset to
        Sep 6, 2024 to Mar 31, 2025
      • Discretionary RAUM · $8.4B to $9.3B
        Sep 6, 2024 to Mar 31, 2025
      • Pooled vehicle RAUM · $7.6B to $8.7B
        Sep 6, 2024 to Mar 31, 2025
      • RAUM · $8.4B to $9.3B
        Sep 6, 2024 to Mar 31, 2025
      • Private funds · 9 to 8
        Mar 29, 2024 to Aug 30, 2024
      • Advisory employees · 19 to 21
        Jun 28, 2023 to Mar 29, 2024
      • Assets in custody · $5.4B to $7.6B
        Jun 28, 2023 to Mar 29, 2024
      • Employees · 40 to 45
        Jun 28, 2023 to Mar 29, 2024
      • Other offices · 2 to 1
        Jun 28, 2023 to Mar 29, 2024
      • Discretionary RAUM · $5.9B to $8.4B
        Jun 28, 2023 to Mar 29, 2024
      • Pooled vehicle RAUM · $5.4B to $7.6B
        Jun 28, 2023 to Mar 29, 2024
      • RAUM · $5.9B to $8.4B
        Jun 28, 2023 to Mar 29, 2024
      • Assets in custody · $9.9B to $5.4B
        Aug 26, 2022 to Mar 31, 2023
      • Other offices · 3 to 2
        Aug 26, 2022 to Mar 31, 2023
      • Discretionary RAUM · $9.9B to $5.9B
        Aug 26, 2022 to Mar 31, 2023
      • Pooled vehicle RAUM · $9.3B to $5.4B
        Aug 26, 2022 to Mar 31, 2023
      • RAUM · $9.9B to $5.9B
        Aug 26, 2022 to Mar 31, 2023
      • Related adviser · true to false
        Aug 26, 2022 to Mar 31, 2023
      • Advisory employees · 21 to 19
        Mar 25, 2022 to Apr 5, 2022
      • Employees · 42 to 40
        Mar 25, 2022 to Apr 5, 2022
      • Accounts · 27 to 24
        Dec 8, 2021 to Mar 25, 2022
      • Corporate clients · 5 to 2
        Dec 8, 2021 to Mar 25, 2022
      • Assets in custody · $9.2B to $9.9B
        Dec 8, 2021 to Mar 25, 2022
      • Discretionary RAUM · $10B to $9.9B
        Dec 8, 2021 to Mar 25, 2022
      • Pooled vehicle RAUM · $9.5B to $9.3B
        Dec 8, 2021 to Mar 25, 2022
      • RAUM · $10B to $9.9B
        Dec 8, 2021 to Mar 25, 2022
      • Advisory employees · 19 to 21
        Jun 1, 2021 to Aug 27, 2021
      • Employees · 37 to 42
        Jun 1, 2021 to Aug 27, 2021
      • Advisory employees · 18 to 19
        Dec 22, 2020 to Mar 30, 2021
      Signals
      10 dated events
      • Pentwater Capital Management Lp reported RAUM $19.3B, up 106% from $9.3B (2025-03-31 to 2026-03-31)
        Mar 31, 2026 · RAUM change · derived
      • Pentwater Capital Management Lp reported RAUM $8.4B, up 42% from $5.9B (2023-06-28 to 2024-03-29)
        Mar 29, 2024 · RAUM change · derived
      • Rossall Neal Nenadovic (Chief Financial Officer) no longer on Schedule A of Pentwater Capital Management Lp (listed 2023-06-22, absent 2023-06-28)
        Jun 28, 2023 · Control person left · inference
      • Joyce Kalleekal (Chief Financial Officer) appeared on Schedule A of Pentwater Capital Management Lp
        Jun 28, 2023 · Control person joined · fact
      • Pentwater Capital Management Lp reported RAUM $5.9B, down 41% from $9.9B (2022-08-26 to 2023-03-31)
        Mar 31, 2023 · RAUM change · derived
      • David Hooman Tavakolian (Chief Compliance Officer) appeared on Schedule A of Pentwater Capital Management Lp
        Aug 25, 2022 · Control person joined · fact
      • A Elizabeth Mccarthy (Chief Compliance Officer) no longer on Schedule A of Pentwater Capital Management Lp (listed 2022-04-05, absent 2022-06-17)
        Jun 17, 2022 · Control person left · inference
      • Pentwater Capital Management Lp reported RAUM $10.0B, up 75% from $5.7B (2020-12-22 to 2021-03-30)
        Mar 30, 2021 · RAUM change · derived
      • Pentwater Capital Management Lp reported RAUM $7.0B, down 30% from $9.9B (2019-02-28 to 2019-03-29)
        Mar 29, 2019 · RAUM change · derived
      • Pentwater Capital Management Lp reported RAUM $9.9B, up 59% from $6.2B (2018-01-22 to 2018-03-30)
        Mar 30, 2018 · RAUM change · derived
      Across DFX
      shared identifiers only, never a name match
      No identifier-backed link to the venture, private equity, family office or sponsor graphs.
      How to reach
      public business contact points only, each with its source
      Website
      PWCM.COMreportedpublic record, Form ADV, Sep 17, 2026
      Principal office phone
      239-384-9750reportedpublic record, Form ADV, Mar 31, 2026
      Provenance
      Form ADV
      SEC filing data 2011 to 2024 and the monthly roster 2025 onreportedadviserinfo.sec.gov
      Advisors
      IAPD individual compilation feed, dailyreportedadviserinfo.sec.gov
      Class
      Asset manager (funds and pooled vehicles)deriveda rule over Items 5.D and 7.A
      RAUM per advisor
      n/aderivedfirm RAUM over the IAPD count; not a book size
      Loaded
      Sep 14, 2026