Bain Capital Specialty Finance, Inc.

BCSF

Exchange: NYSE
SEC CIK: 0001655050

SEC filings (opens in a new tab)

No open-market purchases or sales by Bain Capital Specialty Finance, Inc. insiders were filed in the last 90 days; 128 institutions reported holding it in 13F filings for Q2 2026, worth $459.6M in total; no superinvestor holds it.

Q4 2025 vs. Q3 2025

How the institutions holding Bain Capital Specialty Finance, Inc. changed between Q3 2025 and Q4 2025.

All holders in Q4 2025 All holders in Q3 2025

13F holders of BCSF: Q3 2025 compared with Q4 2025
Measure	Q3 2025	Of which not filed for Q4 2025	Q4 2025	Change
Holders	139	1	142	+4
Shares	33.4M	224.0K	34.3M	+1.14M (+3.4%)
Value	$475.4M	$3.19M	$477.0M	+$4.77M (+1.0%)

1 institution that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so the changes leave them out.

New holders (25)

Institutions that held Bain Capital Specialty Finance, Inc. at the end of Q4 2025 but not at the end of Q3 2025.

Institutions new to BCSF in Q4 2025
Institution	Shares	Value	% of portfolio
Closed-End Fund Advisors, Inc.	422,810	$5.88M	3.47%
Russell Investments Group, Ltd.	179,224	$2.49M	0.00%
Cerity Partners LLC	113,145	$1.57M	0.00%
Callodine Capital Management, LP	107,349	$1.49M	0.12%
Lansforsakringar Fondforvaltning AB (publ)	102,876	$1.43M	0.01%
Curated Wealth Partners LLC	100,000	$1.39M	0.15%
Jane Street Group, LLC	76,301	$1.06M	0.00%
Quantbot Technologies LP	28,152	$391.6K	0.01%
Bank of New York Mellon Corp	27,049	$376.2K	0.00%
Kovack Advisors, Inc.	21,653	$301.2K	0.01%
VARCOV Co.	21,500	$299.1K	0.12%
Fox Run Management, L.L.C.	20,481	$284.9K	0.04%
Almitas Capital LLC	15,000	$208.7K	0.05%
Nomura Holdings Inc	14,187	$197.3K	0.00%
Virtu Financial LLC	12,839	$179.0K	0.01%
Cetera Investment Advisers	12,092	$168.2K	0.00%
BTG Pactual Asset Management US LLC	10,121	$152.2K	0.02%
Schonfeld Strategic Advisors LLC	10,823	$150.5K	0.00%
Warren Averett Asset Management, LLC	10,000	$139.1K	0.00%
UBS Asset Management Americas Inc	3,000	$41.7K	0.00%
Motiv8 Investments LLC	2,716	$38.0K	0.02%
Flagship Harbor Advisors, LLC	1,089	$15.2K	0.00%
Newbridge Financial Services Group, Inc.	559	$7.78K	0.00%
Northwestern Mutual Wealth Management Co	250	$3.48K	0.00%
FMR LLC	174	$2.42K	0.00%

Sold out (21)

Institutions that held Bain Capital Specialty Finance, Inc. at the end of Q3 2025 and filed for Q4 2025 without it.

Institutions that sold out of BCSF in Q4 2025
Institution	Shares, Q3 2025	Value, Q3 2025
Qube Research & Technologies Ltd	156,844	$2.24M
Redhawk Wealth Advisors, Inc.	72,773	$1.04M
Marshall Wace, LLP	47,132	$671.6K
Citigroup Inc	31,867	$454.1K
CV Advisors LLC	31,500	$448.9K
Canton Hathaway, LLC	27,375	$390.0K
Catalina Capital Group, LLC	16,828	$239.8K
IMC-Chicago, LLC	16,686	$237.8K
MQS Management LLC	15,600	$222.3K
Prairiewood Capital, LLC	14,010	$199.6K
Cooper Financial Group	13,936	$198.6K
Summit Wealth Group LLC	12,612	$193.1K
One Charles Private Wealth Services, LLC	11,916	$169.8K
Sanctuary Advisors, LLC	10,685	$152.3K
PharVision Advisers, LLC	10,566	$150.6K
Blair William & Co	10,339	$147.3K
Ronald Blue Trust, Inc.	9,719	$138.5K
GPS Wealth Strategies Group, LLC	2,682	$38.2K
Wealthspire Advisors, LLC	1,001	$14.3K
Kimelman & Baird, LLC	800	$11.4K
GAMMA Investing LLC	54	$770

Not filed for Q4 2025 yet (1)

Institutions that held Bain Capital Specialty Finance, Inc. at the end of Q3 2025 and haven't filed a 13F for Q4 2025. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding BCSF in Q3 2025 that haven't filed for Q4 2025
Institution	Shares, Q3 2025	Value, Q3 2025
Gries Financial LLC	224,040	$3.19M