Bain Capital Specialty Finance, Inc.
Bain Capital Specialty Finance, Inc. (BCSF) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · BCSF · as of Sep 30, 2025
Ownership Breakdown
143
Institutional Holders
▼ 5 vs Q2
$476.75M
Total Inst. Value
▼ $9.59M vs Q2
64.87M
Shares Outstanding
freeFloat 98.80%
33.44M
13F Shares Held
▲ 1.11M vs Q2
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
BCSF largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
BAIN CAPITAL CREDIT, LP | 11.82M | 18.23% | 18.23% | $168.47B | Nov 14, 2025 | — held |
BANK OF AMERICA CORP /DE/ | 4.17M | 6.43% | 6.43% | $59.41B | Feb 3, 2026 | ▼ 224.7K |
UBS GROUP AG | 1.49M | 2.30% | 2.30% | $21.27B | Nov 13, 2025 | ▲ 42.4K |
CRESSET ASSET MANAGEMENT, LLC | 1.43M | 2.20% | 2.20% | $20.33B | Jan 22, 2026 | ▲ 190.0K |
VAN ECK ASSOCIATES CORP | 1.31M | 2.01% | 2.01% | $18.61B | Nov 13, 2025 | ▲ 181.6K |
MORGAN STANLEY | 1.21M | 1.87% | 1.87% | $17.28B | May 27, 2026 | ▼ 113.4K |
MELIA WEALTH LLC | 1.12M | 1.73% | 1.73% | $16.01B | Nov 12, 2025 | ▲ 132.5K |
DIMENSION CAPITAL MANAGEMENT LLC | 689.1K | 1.06% | 1.06% | $9.82B | Nov 14, 2025 | ▲ 78.6K |
MUZINICH & CO., INC. | 647.5K | 99.82% | 99.82% | $9.23B | Oct 20, 2025 | ▲ 93.7K |
SUMITOMO MITSUI TRUST HOLDINGS, INC. | 545.2K | 84.05% | 84.05% | $7.77B | Oct 27, 2025 | ▲ 98.2K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
27
Increased
+2.13M shares3
New Positions
first time holders18
Decreased
−784.2K shares0
Sold Out
fully exitedNet shares change (top 50)
+1.34M
+2.13M / −784.2K
Net new holders
+12
3 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
BCSF insider trading · insider activity
Source: SEC Form 4
Insiders have been net buyers of shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
1
Buy transactions
0
Sell transactions
0.00
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Rusnak-Carlson Sabrina General Counsel | Mar 3, 2026 | Purchase | 2,300 | $12.55 | $28.9K | 9.6K | Form 4 ↗ |
Richer Clare Stack director | Mar 17, 2025 | Purchase | 1,530 | $16.43 | $25.1K | 20.8K | Form 4 ↗ |
Richer Clare Stack
| Aug 10, 2022 | Purchase | 3,400 | $14.59 | $49.6K | 16.8K | Form 4 ↗ |
Hough Thomas A.
| Mar 25, 2022 | Purchase | 6,271.91 | $15.94 | $100.0K | 27.7K | Form 4 ↗ |
Richer Clare Stack
| Mar 3, 2022 | Purchase | 3,090.02 | $16.18 | $50.0K | 12.8K | Form 4 ↗ |
Butte Amy director | Feb 25, 2022 | Purchase | 1,300 | $15.86 | $20.6K | 5.2K | Form 4 ↗ |
Richer Clare Stack director | May 11, 2021 | Purchase | 1,563 | $15.90 | $24.9K | 9.1K | Form 4 ↗ |
Ewald Michael A President and CEO | Dec 3, 2020 | Purchase | 4,000 | $12.52 | $50.1K | 70.0K | Form 4 ↗ |
Hawkins Jeffrey B. director | Dec 3, 2020 | Purchase | 18,204 | $12.50 | $227.6K | 100.0K | Form 4 ↗ |
Dornaus Sally F Chief Financial Officer | Aug 19, 2020 | Purchase | 2,500 | $10.43 | $26.1K | 2.5K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
Bain Capital Specialty Finance, Inc. (BCSF) is primarily owned by institutional investors, who hold approximately 51.6% of total shares outstanding. Company insiders own approximately 1.20%, while retail and public investors account for the remaining 47.24%.
The largest institutional shareholder of Bain Capital Specialty Finance, Inc. is BAIN CAPITAL CREDIT, LP, holding approximately 11.82 million shares — equal to 18.23% of outstanding shares — as of September 30, 2025.
A total of 143 institutional investors currently hold BCSF stock, with a combined institutional value of approximately $476,746,223 as of the most recent 13F filing period.
Frequently asked questions
BCSF ownershipBain Capital Specialty Finance, Inc. (BCSF) is primarily owned by institutional investors, who hold approximately 51.6% of shares. The largest shareholder is BAIN CAPITAL CREDIT, LP with a 18.23% stake. Company insiders hold 1.20%. Data sourced from SEC Form 13F as of September 30, 2025.