OmniAb, Inc. (NASDAQ:OABI) currently has 3 active institutional owners and shareholders as of today (December 2025), that have filed 13F forms with the Securities Exchange Commission (SEC).
| Owner Name | Date | Shares Held | Change (QoQ) | Change (%) | Value (USD) |
|---|---|---|---|---|---|
| Whitefort Capital Management, LP | 30 Sep, 2025 | 14,223,658 | 3,983,512 | 38.90% | $22,757,853.00 |
| BlackRock, Inc. | 30 Sep, 2025 | 6,964,222 | -36,957 | -0.53% | $11,142,756.00 |
| VANGUARD GROUP INC | 30 Sep, 2025 | 5,148,061 | -120,254 | -2.28% | $8,236,897.00 |
| CADIAN CAPITAL MANAGEMENT, LP | 30 Sep, 2025 | 3,675,568 | 3,675,568 | 0.00% | $5,880,909.00 |
| Woodline Partners LP | 30 Sep, 2025 | 2,857,142 | 2,857,142 | 0.00% | $4,571,427.00 |
| DIMENSIONAL FUND ADVISORS LP | 30 Sep, 2025 | 2,548,284 | -365,480 | -12.54% | $4,077,330.00 |
| PRIVATE MANAGEMENT GROUP INC | 30 Sep, 2025 | 2,518,279 | -39,766 | -1.55% | $4,029,246.00 |
| RICE HALL JAMES & ASSOCIATES, LLC | 30 Sep, 2025 | 2,412,038 | -215,085 | -8.19% | $3,859,261.00 |
| GEODE CAPITAL MANAGEMENT, LLC | 30 Sep, 2025 | 2,326,236 | -113,188 | -4.64% | $3,722,772.00 |
| Stonepine Capital Management, LLC | 30 Sep, 2025 | 2,142,857 | 2,142,857 | 0.00% | $3,428,571.00 |
| STATE STREET CORP | 30 Sep, 2025 | 2,094,846 | 83,937 | 4.17% | $3,351,754.00 |
| ADAR1 Capital Management, LLC | 30 Sep, 2025 | 1,090,628 | 764,520 | 234.44% | $1,745,005.00 |
| JACOBS LEVY EQUITY MANAGEMENT, INC | 30 Sep, 2025 | 1,006,256 | -99,268 | -8.98% | $1,610,010.00 |
| Nuveen, LLC | 30 Sep, 2025 | 874,510 | 387,249 | 79.47% | $1,399,216.00 |
| CITADEL ADVISORS LLC | 30 Sep, 2025 | 836,799 | 836,799 | 0.00% | $1,338,878.00 |
| TOWERVIEW LLC | 30 Sep, 2025 | 831,100 | 0 | 0.00% | $1,329,760.00 |
| MORGAN STANLEY | 30 Sep, 2025 | 820,222 | 52,601 | 6.85% | $1,312,355.00 |
| NORTHERN TRUST CORP | 30 Sep, 2025 | 818,466 | -18,403 | -2.20% | $1,309,546.00 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 30 Sep, 2025 | 785,477 | -46,797 | -5.62% | $1,256,763.00 |
| JPMORGAN CHASE & CO | 30 Sep, 2025 | 762,912 | -30,822 | -3.88% | $1,220,659.00 |