One William Street Capital Management LP

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Assets, Funds, Holdings

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One William Street Capital Management LP
CRD #150522
SEC #801-70264
CIK #
AUM $11.3 B (2026-03-31)
Employees 124 (50% Investors, 0% Brokers)
Phone212-957-2500
Address299 Park Avenue
New York, NY 10171
Source [IAPD] [Website] [LinkedIn]
Total AUM ($B)
151296302009201520212027
Type Form D Funds Date Sold ($M) AUM ($M)
PE OWS ABS Master Fund II LP Class BB Shares 2026-02-26 0.0
PE OWS Affirm Partnership Fund Ltd [2025-08-18] 50.0 51.5
HF OIS Series 2 LLC 2025-03-28 169.8
HF OWS ABS Fund VIII Ltd [2023-04-06] 5.9 378.1
HF OWS Commercial Funding IV LLC 2022-03-31 72.9
HF OWS Credit Opportunity Investment Fund LLC 2022-03-31 172.3
HF OWS ABS Fund V Ltd [2020-06-11] 53.2 66.2
HF OWS ABS IV LP [2018-02-23] 325.2 766.1
HF OWS Global Fixed Income Fund Usd-Hedged Ltd 2017-05-24 130.0
HF OWS ABS Fund III Ltd [2016-11-08] 58.2 4.1
View All
AUM Breakdown Accounts AUM ($B)
By Client Type
(a) Individuals (other than high net worth individuals) 0 0.0
(b) Individuals (high net worth individuals) 0 0.0
(c) Banking or thrift institutions 0 0.0
(d) Investment companies 0 0.0
(e) Business development companies 0 0.0
(f) Pooled investment vehicles 21 11.3
(g) Pension and profit sharing plans 0 0.0
(h) Charitable organizations 0 0.0
(i) State or municipal government entities 0 0.0
(j) Other investment advisers 0 0.0
(k) Insurance companies 0 0.0
(l) Sovereign wealth funds and foreign official institutions 0 0.0
(m) Corporations or other businesses not listed above 0 0.0
(n) Other 0 0.0
Total 22 11.3
By Discretionary
Discretionary 22 11.3
Non-Discretionary 0 0.0
Total 22 11.3
By Non-United States Persons
Non-United States Persons 7.5
United States Persons 3.8
Total 22 11.3
Form D Directors Role # Filings # Firms 2011 - 2026
Ronan Guilfoyle 357 108
David Bree 428 99
Alaina Danley 110 32
John Dagostino 119 29
Jason Fitzgerald 92 27
Don Ebanks 95 25
Vanessa Gilman 37 11
One William Street Capital Management LP 26 2
David Sherr 18 2
Kurt Locher 12 2
View All
Comparable Firms State AUM ($B)
Levine Leichtman Capital Partners LLC
CA 11.9
Paradigm Operations LP
CA 11.9
Entrust Global Partners LLC
NY 11.8
Perceptive Advisors LLC
NY 11.8
TPG Solutions Advisors LLC
TX 11.6
Guggenheim Corporate Funding LLC
NY 11.3
Orchard Global Asset Management LLP
11.3
Christofferson Robb & Company LLC
NY 11.3
Corbin Capital Partners LP
NY 11.2
Golden Gate Private Equity Inc
CA 11.2
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