The capital structure graph behind private markets. Who lent, to whom, under which sponsor, through which facility, how large the piece was, when it matures and what changed, with a filing behind every number. A BDC piece is that BDC's piece, a sum of pieces is a lower bound, and a sponsor is named with the evidence that names it.

Sources and method

How the capital structure graph is built

Where does the tape come from?
Every business development company files a schedule of investments in its 10-Q and 10-K and, since the SEC's 2020 BDC rule, tags each position in Inline XBRL: one typed member on the InvestmentIdentifierAxis, with fair value, cost, principal, interest rate, spread, PIK rate, floor, maturity, acquisition date, shares and unfunded commitment as separate facts. A 10-Q carries the quarter end and the prior fiscal year end, so each filing is two dated snapshots. The population is the SEC's own list of 814- registrants (a CSV per year since 2012), not a name search. Today: 184 BDCs with a tagged schedule, 885,425 positions across 31 quarter ends, Dec 31, 2020 to Jun 30, 2026.
How is a borrower recognised across filers?
Each BDC writes the borrower its own way (“Icefall Parent, Inc.”, “Icefall Topco, Inc.”, “Icefall Parent, Inc. and Icefall Bidco LLC (dba Iceberg)”). Co-borrower strings are split; legal suffixes and deal words (Parent, Topco, Holdco, Bidco, Buyer, Intermediate, Aggregator, Purchaser, Borrower) are dropped; what is left is the codename stem. A group is grade A when the stem has two or more words or two filers wrote the same first entity, B when it is one distinctive word, C when it is short: a grade C group is never merged across filers, so “Sun” at one BDC is not “Sun” at another. A dba in parentheses becomes an alias.
What is a facility here?
One borrower group in one instrument class, kind (term loan, revolver, delayed draw, notes, subordinated) by lien (first, second, unsecured or subordinated), as the filers describe it. Every BDC holding a piece is a lender on the facility; the pieces are summed per quarter into the facility's own tape. The sum is a lower bound on the tranche: banks, insurers, private funds and CLOs hold pieces no schedule shows. Tranches with different maturities sit under one facility, and the maturity shown is the latest among the pieces.
How is a sponsor named?
Three ways, each printed. Stated: a deal announcement or filing names the sponsor (carried from the private equity and independent sponsor graphs with the release as evidence). Carried: the sponsor's own portfolio page lists a company whose stem equals the borrower's (an inference from a name; confidence 0.7 for a multi-word stem). Inferred: the borrower's codename stem finds its Form D acquisition vehicle, and two or more of that vehicle's related persons resolve to people one firm employed within a year of the filing (signer consensus, graded A or B). 1,774 borrowers carry an attribution today; the rest are unattributed rather than guessed.
What is a change, and what is an event?
Consecutive quarter ends of one BDC are compared at the grain of borrower group by kind by lien: a new piece, an exit, principal up or down by 5% and $250k, the mark moving 5 points on cost, the maturity moving 90 days, the spread moving 50bp, PIK appearing or rising. Events are the changes worth a headline: a borrower first appearing on any schedule, a BDC joining a facility others hold, a lender leaving, a facility leaving every schedule, a markdown across lenders, a maturity approaching inside 12, 18 or 24 months, a sponsor and lender pair forming or repeating. The first quarter on the tape is a baseline, never a birth.
What is never claimed?
A piece is not the loan and a sum of pieces is not the commitment. A fair value below cost is a mark, not impairment. A maturity that moved is an observed term change, not an amendment, until the credit agreement amendment is on the graph. Non-accrual status is a footnote in the filing, not a tagged fact, and is not on this tape yet; default, workout and restructuring are not inferred from any mark. A borrower with no attribution has no sponsor here, not “no sponsor”. A BDC that tags no maturity contributes nothing to the maturity wall.
What is next?
Non-accrual and restructuring language read from each BDC's 10-K text; maturities from the HTML schedule for filers that tag none; public-company credit agreements and their amendments from 8-K exhibits; UCC liens starting with the states that publish them; NAV and subscription facilities from fund and lender disclosures; and every signal family measured on a labelled sample before it is sold. See the Data Factory for how signals are validated across DFX.
Sources

Every source, with its rights

SourcePublisherRightsCycleNote
Commercial real estate lender parentsDFX (Data Factory debt intelligence)open1seeded as banks, mortgage REITs, finance companies
EDGAR submissions APIU.S. Securities and Exchange Commissionopen1filing lists, tickers, SIC, fiscal year end
Form ADV advisers via the RIA graphU.S. Securities and Exchange Commissionopen1
Form ADV Schedule D 7.B.(1) private funds via the RIA graphU.S. Securities and Exchange Commissionopen1credit-named funds are candidates: Form ADV has no private credit fund type
PRIVATE_CREDIT and SPECIAL_SITUATIONS organisations on the PE graphDFX (private_equity graph)open1carried with origin
SEC Business Development Company reportU.S. Securities and Exchange Commissionopen1the BDC universe: 814- file numbers, one CSV per year since 2012
BDC schedules of investments (Inline XBRL, InvestmentIdentifierAxis)U.S. Securities and Exchange Commission (EDGAR)open1,3every position every quarter; two instants per 10-Q
Credit managers' own deal announcementsthe managersattribution2reused
Form D offerings via the ISI graphU.S. Securities and Exchange Commissionopen2codename vehicles for the borrower to sponsor join
Independent sponsor transactions with named lendersDFX (independent_sponsors graph)open2carried with origin
Private equity transactions with named lendersDFX (private_equity graph)open2carried with origin
Public-company credit agreements and amendments (8-K Item 1.01, Exhibit 10)U.S. Securities and Exchange Commission (EDGAR)open2,6planned
BDC 10-K narrative (adviser, non-accrual footnotes, portfolio descriptions)U.S. Securities and Exchange Commission (EDGAR)open3planned
Colorado Secretary of State UCC filingsColorado SOSopen5planned; the RE graph carries a configured adapter
Credit adviser firm websites (the adviser's own contact and team pages)the adviserattributionCrawl input is revenue_fleet.buyer_domains: Form ADV Item 1.I first, pc_entity.website_domain only when it is not a social page, never a guess from the name.

Competitor products (PitchBook, Preqin, LCD, Debtwire, Reorg, KBRA DLD and the rest) are registered as prohibited: nothing on this graph is read from them, and the read plane refuses any row that would cite one.