Osiris Acquisition Corp.
Osiris Acquisition Corp. (OSI) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · OSI · as of Mar 31, 2024
Ownership Breakdown
11
Institutional Holders
$6.69M
Total Inst. Value
▲ $399,951 vs Q4
8.85M
Shares Outstanding
freeFloat 32.53%
631,045
13F Shares Held
▲ 26,280 vs Q4
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
OSI largest shareholders · institutional ownership
Q1 2024 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
COWEN AND COMPANY, LLC blank checks | 230.9K | 2.61% | 2.61% | $2.45B | May 3, 2024 | NEW |
ATW SPAC MANAGEMENT LLC blank checks | 111.7K | 1.26% | 1.26% | $1.18B | May 15, 2024 | — held |
BOOTHBAY FUND MANAGEMENT, LLC blank checks | 111.7K | 1.26% | 1.26% | $1.18B | May 15, 2024 | — held |
UBS OCONNOR LLC blank checks | 55.6K | 62.78% | 62.78% | $589.20M | May 15, 2024 | — held |
CLEAR STREET LLC blank checks | 32.9K | 37.13% | 37.13% | $348.48M | May 15, 2025 | ▲ 585 |
TUTTLE CAPITAL MANAGEMENT, LLC blank checks | 30.0K | 33.88% | 33.88% | $318.00M | Apr 11, 2024 | NEW |
WALLEYE CAPITAL LLC blank checks | 16.0K | 18.07% | 18.07% | $169.60M | May 15, 2024 | — held |
FLOW TRADERS U.S. LLC blank checks | 13.6K | 15.33% | 15.33% | $144.00M | May 15, 2024 | ▼ 946 |
HUDSON BAY CAPITAL MANAGEMENT LP blank checks | 12.8K | 14.44% | 14.44% | $135.52M | May 15, 2024 | ▲ 100 |
BLACKROCK INC. blank checks | 10.0K | 11.29% | 11.29% | $106.00M | May 10, 2024 | — held |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q1 2024 vs prior quarter
Q1 2024
2
Increased
+685 shares2
New Positions
first time holders2
Decreased
−966 shares2
Sold Out
fully exitedNet shares change (top 50)
281
+685 / −966
Net new holders
+0
2 new / 2 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
OSI 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.
0
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 |
|---|---|---|---|---|---|---|---|
Jefferies Financial Group Inc. 10 percent owner | May 30, 2024 | J-Other | 2,277,000 | $10.65 | $24.25M | 0 | Form 4 ↗ |
Black Benjamin
| Jun 8, 2022 | Purchase | 275,000 | $0.00 | $825 | 4.86M | Form 4 ↗ |
Fortinbras Enterprises Holdings LLC 10 percent owner | Jun 8, 2022 | Purchase | 275,000 | — | — | 4.86M | Form 4 ↗ |
Rattner Benjamin F President | Jun 8, 2022 | Sale | 275,000 | $0.00 | $825 | 300.0K | Form 4 ↗ |
Black Benjamin
| Apr 22, 2022 | Purchase | 120,000 | $0.00 | $360 | 4.59M | Form 4 ↗ |
Fortinbras Enterprises Holdings LLC 10 percent owner | Apr 22, 2022 | Purchase | 120,000 | — | — | 4.59M | Form 4 ↗ |
Mielle Dominique director | Apr 22, 2022 | Sale | 40,000 | — | — | 0 | Form 4 ↗ |
Mielle Dominique
| Apr 22, 2022 | Sale | 40,000 | $0.00 | $120 | 0 | Form 4 ↗ |
Fonseca Dhiren R.
| Apr 22, 2022 | Sale | 40,000 | $0.00 | $120 | 0 | Form 4 ↗ |
Fonseca Dhiren R. director | Apr 22, 2022 | Sale | 40,000 | — | — | 0 | 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
Osiris Acquisition Corp. (OSI) is primarily owned by institutional investors, who hold approximately 7.1% of total shares outstanding. Company insiders own approximately 67.47%, while retail and public investors account for the remaining 25.40%.
The largest institutional shareholder of Osiris Acquisition Corp. is COWEN AND COMPANY, LLC, holding approximately 230,868 shares — equal to 2.61% of outstanding shares — as of March 31, 2024.
A total of 11 institutional investors currently hold OSI stock, with a combined institutional value of approximately $6,689,847 as of the most recent 13F filing period.
Frequently asked questions
OSI ownershipOsiris Acquisition Corp. (OSI) is primarily owned by institutional investors, who hold approximately 7.1% of shares. The largest shareholder is COWEN AND COMPANY, LLC with a 2.61% stake. Company insiders hold 67.47%. Data sourced from SEC Form 13F as of March 31, 2024.