SeerSEER
13F holders, Q4 2025 (December 31)At the end of Q4 2025, 63 institutions reported holding Seer Inc. (SEER) in their 13F filings, up 4 from Q3 2025. 8 opened new positions and 7 sold out. The largest holders were Softbank Group Corp. ($9.4M), Siren, L.L.C. ($7.3M) and Vanguard Group Inc. ($4.0M). 5 famous investors held it, including Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio), David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio) and Israel Englander (0.0% of Millennium Management's portfolio).
- Company
- Seer Inc.
- CUSIP
- 81578P106
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q3 2025 → Q4 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 8 | $460K |
| Exits | 7 | $3.7M |
All 13F filers, Q3 2025 → Q4 2025: 440,817 shares bought and 2,914,688 shares sold, net −2,473,871 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 63 holders
| Softbank Group Corp. | 0.06% | No change | 5,135,383 | $9.4M |
| Siren, L.L.C. | 0.22% | No change | 4,000,000 | $7.3M |
| Vanguard Group Inc. | 0.00% | Reduce -1.5% | 2,187,413 | $4.0M |
| Acadian Asset Management LLC | 0.01% | Reduce -4.8% | 2,041,198 | $3.7M |
| BlackRock, Inc. | 0.00% | Reduce -1.5% | 1,827,134 | $3.3M |
| Renaissance Technologies | 0.00% | Reduce -5.3% | 1,051,400 | $1.9M |
| Nano Cap New Millennium Growth Fund L P | 1.29% | — | 825,000 | $1.5M |
| AJU IB Investment Co., Ltd. | 6.56% | No change | 816,375 | $1.5M |
| FMR LLC | 0.00% | Reduce -0.0% | 703,886 | $1.3M |
| Bridgeway Capital Management, LLC | 0.02% | Reduce -17.4% | 609,443 | $1.1M |
| Geode Capital Management, LLC | 0.00% | Reduce -0.0% | 473,040 | $866K |
| Two Sigma Advisers, LP | 0.00% | Reduce -3.5% | 462,100 | $846K |
| Peapod Lane Capital LLC | 0.68% | Add +0.7% | 438,612 | $803K |
| D. E. Shaw & Co. | 0.00% | Reduce -30.9% | 408,557 | $748K |
| 1888 Investments, LLC | 6.37% | No change | 359,143 | $657K |
| Gsa Capital Partners LLP | 0.04% | Add +6.0% | 261,364 | $478K |
| Two Sigma Investments, LP | 0.00% | Reduce -13.6% | 252,647 | $462K |
| Dimensional Fund Advisors LP | 0.00% | Add +2.8% | 235,485 | $431K |
| Goldman Sachs Group Inc. | 0.00% | Add +13.0% | 211,053 | $386K |
| Morgan Stanley | 0.00% | Reduce -10.0% | 171,368 | $314K |
| State Street Corp. | 0.00% | Reduce -3.7% | 152,082 | $278K |
| Shay Capital LLC | 0.04% | Add +104.3% | 150,331 | $275K |
| T3 Companies, LLC | 0.31% | — | 132,000 | $242K |
| Millennium Management | 0.00% | Reduce -48.2% | 116,497 | $213K |
| HSBC Holdings PLC | 0.00% | Reduce -3.1% | 114,348 | $210K |
| Northern Trust Corp. | 0.00% | Add +11.3% | 108,082 | $198K |
| Edgewood Management LLC | 0.00% | No change | 100,000 | $183K |
| Susquehanna International Group, LLP | 0.00% | Reduce -23.9% | 93,876 | $172K |
| American Century Companies Inc. | 0.00% | No change | 75,169 | $138K |
| Royal Bank of Canada | 0.00% | Reduce -72.2% | 71,800 | $131K |
| Palumbo Wealth Management LLC | 0.03% | Reduce -47.5% | 67,647 | $124K |
| Corient Private Wealth LP | 0.00% | New | 63,200 | $116K |
| Squarepoint Ops LLC | 0.00% | Reduce -33.8% | 60,884 | $111K |
| Barclays PLC | 0.00% | Add +685.0% | 60,717 | $111K |
| Bank of America Corp. | 0.00% | Reduce -2.1% | 57,574 | $105K |
| Quadrature Capital Ltd | 0.00% | New | 55,308 | $101K |
| Marshall Wace, LLP | 0.00% | New | 46,701 | $85K |
| Prelude Capital Management, LLC | 0.01% | Reduce -8.1% | 44,052 | $81K |
| UBS Group AG | 0.00% | Reduce -45.4% | 43,818 | $80K |
| Jane Street Group, LLC | 0.00% | Reduce -6.4% | 43,222 | $79K |
| T. Rowe Price Associates Inc. | 0.00% | No change | 39,855 | $73K |
| Jacobs Levy Equity Management, Inc. | 0.00% | Reduce -65.3% | 39,016 | $71K |
| AE Wealth Management LLC | 0.00% | New | 32,513 | $59K |
| Point72 Asset Management | 0.00% | New | 30,231 | $55K |
| Pathstone Holdings, LLC | 0.00% | No change | 28,205 | $52K |
| Invesco Ltd. | 0.00% | Reduce -67.3% | 26,151 | $48K |
| Rangeley Capital, LLC | 0.03% | No change | 20,000 | $37K |
| Sequoia Financial Advisors, LLC | 0.00% | No change | 16,600 | $30K |
| Qube Research & Technologies Ltd | 0.00% | Add +0.8% | 15,486 | $28K |
| Citadel Advisors | 0.00% | Reduce -29.2% | 11,625 | $21K |
| NINE MASTS CAPITAL Ltd | 0.00% | New | 10,751 | $20K |
| Connor, Clark & Lunn Investment Management Ltd. | 0.00% | New | 10,645 | $19K |
| FNY Investment Advisers, LLC | 0.00% | No change | 8,500 | $15K |
| Torren Management, LLC | 0.00% | — | 4,322 | $8K |
| Osaic Holdings, Inc. | 0.00% | Reduce -2.3% | 3,135 | $6K |
| SBI Securities Co., Ltd. | 0.00% | Reduce -25.8% | 2,395 | $4K |
| Russell Investments Group, Ltd. | 0.00% | No change | 2,050 | $4K |
| Tower Research Capital LLC (TRC) | 0.00% | New | 1,831 | $3K |
| BNP Paribas Financial Markets | 0.00% | Reduce -90.4% | 662 | $1K |
| Cornerstone Planning Group LLC | 0.00% | Add +1390.0% | 447 | $836 |
| JPMorgan Chase & Co. | 0.00% | No change | 134 | $245 |
| Farther Finance Advisors, LLC | 0.00% | No change | 36 | $66 |
| Nisa Investment Advisors, LLC | 0.00% | No change | 23 | $42 |
"% of holder's portfolio" is SEER's weight in each manager's 13F, not the share of Seer Inc. the manager owns.