19 institutions reported holding $273,430 of OSR Holdings, Inc. (OSRHW) in SEC 13F filings for 2026-03-31. Largest institutional holders: BOOTHBAY FUND MANAGEMENT, LLC ($57,309), HIGHBRIDGE CAPITAL MANAGEMENT LLC ($38,663), TORONTO DOMINION BANK ($33,657), Polar Asset Management Partners Inc. ($20,700), Periscope Capital Inc. ($16,554). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | BOOTHBAY FUND MANAGEMENT, LLC | $57,309 | 95,040 | Trimmed |
| 2 | HIGHBRIDGE CAPITAL MANAGEMENT LLC | $38,663 | 644,377 | Trimmed |
| 3 | TORONTO DOMINION BANK | $33,657 | 611,947 | Added |
| 4 | Polar Asset Management Partners Inc. | $20,700 | 360,000 | Hold |
| 5 | Periscope Capital Inc. | $16,554 | 299,900 | Hold |
| 6 | Clear Street Group Inc. | $16,123 | 292,083 | Hold |
| 7 | JPMORGAN CHASE & CO | $15,866 | 264,430 | Hold |
| 8 | LMR Partners LLP | $13,966 | 253,001 | Hold |
| 9 | RIVERNORTH CAPITAL MANAGEMENT, LLC | $13,800 | 250,000 | Hold |
| 10 | Saba Capital Management, L.P. | $13,800 | 250,000 | Hold |
| 11 | D. E. Shaw & Co., Inc. | $8,985 | 150,000 | Hold |
| 12 | WOLVERINE ASSET MANAGEMENT LLC | $6,159 | 111,585 | Hold |
| 13 | Centiva Capital, LP | $5,990 | 100,000 | Hold |
| 14 | ARISTEIA CAPITAL, L.L.C. | $4,217 | 73,341 | Hold |
| 15 | Mint Tower Capital Management B.V. | $4,000 | 75,000 | Hold |
| 16 | GABELLI FUNDS LLC | $1,493 | 27,050 | Hold |
| 17 | GABELLI & Co INVESTMENT ADVISERS, INC. | $1,148 | 20,800 | Hold |
| 18 | FLOW TRADERS U.S. LLC | $1,000 | 23,730 | Hold |
| 19 | SkyView Investment Advisors, LLC | $0 | 0 | Exited |
Source: SEC Form 13F filings · as of 2026-03-31