Institutional Holders (2026 Q1)
128 + investorsExplore institutional interest and hedge fund ownership dynamics. Analyze portfolio weights, new positions, and conviction trends in OABI. Verified SEC 13F-HR filings.
| # | Investor | % of Portfolio | Shares | Mkt Value |
|---|---|---|---|---|
| 1 | Whitefort Capital Management, LP | 6.59% | 14,223,658 | $22.3M |
| 2 | Towerview LLC | 1.01% | 1,000,000 | $1.6M |
| 3 | Cadian Capital Management, LP | 0.79% | 4,157,129 | $6.5M |
| 4 | Rice Hall James & Associates, LLC | 0.22% | 2,547,255 | $4.0M |
| 5 | Arbiter Partners Capital Management LLC | 0.17% | 192,585 | $302K |
| 6 | Isthmus Partners, LLC | 0.12% | 756,674 | $1.2M |
| 7 | Private Management Group Inc | 0.11% | 2,429,166 | $3.8M |
| 8 | Stonepine Capital Management, LLC | 0.10% | 164,045 | $258K |
| 9 | ADAR1 Capital Management, LLC | 0.07% | 705,190 | $1.1M |
| 10 | Cornerstone Capital, Inc. | 0.02% | 142,286 | $223K |
| 11 | NINE MASTS CAPITAL Ltd | 0.01% | 29,062 | $46K |
| 12 | Shay Capital LLC | 0.01% | 49,662 | $78K |
| 13 | Bridgeway Capital Management, LLC | 0.01% | 198,900 | $312K |
| 14 | Woodstock Corp | 0.00% | 34,418 | $54K |
| 15 | State of Wyoming | 0.00% | 24,694 | $39K |
| 16 | NJ State Employees Deferred Compensation Plan | 0.00% | 24,500 | $39K |
| 17 | Thrive Wealth Management, LLC | 0.00% | 17,281 | $27K |
| 18 | Legato Capital Management LLC | 0.00% | 28,196 | $44K |
| 19 | Abel Hall, LLC | 0.00% | 10,704 | $17K |
| 20 | Bfsg, LLC | 0.00% | 20,815 | $33K |
| 21 | China Universal Asset Management Co., Ltd. | 0.00% | 25,546 | $40K |
| 22 | Nomura Holdings Inc | 0.00% | 705,048 | $1.1M |
| 23 | Redwood Park Advisors LLC | 0.00% | 2,184 | $3K |
| 24 | Tower Research Capital LLC (TRC) | 0.00% | 35,306 | $55K |
| 25 | Jackson, Grant Investment Advisers, Inc. | 0.00% | 2,450 | $4K |
| Investor | Ownership History |
% of Portfolio | Prev % | Rank | Conviction | Avg Buy Price | 13F Score™ 3Y / 7Y | Sell Timing | Shares | Mkt Value | Change | Change % | Source | Quarter | Filed |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|