SeerSEER
13F holders, Q3 2025 (September 30)59holders −9
0new positions
9sold out
4famous investors
$2.17avg. 13F price*
At the end of Q3 2025, 59 institutions reported holding Seer Inc. (SEER) in their 13F filings, down 9 from Q2 2025. 0 opened new positions and 9 sold out. The largest holders were Softbank Group Corp. ($11.1M), Siren, L.L.C. ($8.7M) and Vanguard Group Inc. ($4.8M). 4 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 Q2 2025 → Q3 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 0 | $0 |
| Exits | 9 | $423K |
All 13F filers, Q2 2025 → Q3 2025: 225,351 shares bought and 1,892,180 shares sold, net −1,666,829 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 59 holders
| Softbank Group Corp. | 0.04% | No change | 5,135,383 | $11.1M |
| Siren, L.L.C. | 0.34% | No change | 4,000,000 | $8.7M |
| Vanguard Group Inc. | 0.00% | Add +0.8% | 2,221,404 | $4.8M |
| Acadian Asset Management LLC | 0.01% | Reduce -0.3% | 2,144,861 | $4.7M |
| BlackRock, Inc. | 0.00% | Reduce -1.1% | 1,854,297 | $4.0M |
| Tang Capital Management LLC | 0.11% | No change | 1,344,423 | $2.9M |
| Renaissance Technologies | 0.00% | Reduce -0.7% | 1,110,300 | $2.4M |
| AJU IB Investment Co., Ltd. | 1.57% | No change | 816,375 | $1.8M |
| Bridgeway Capital Management, LLC | 0.03% | Reduce -11.9% | 737,443 | $1.6M |
| FMR LLC | 0.00% | No change | 704,151 | $1.5M |
| D. E. Shaw & Co. | 0.00% | Reduce -15.5% | 591,517 | $1.3M |
| Two Sigma Advisers, LP | 0.00% | Reduce -7.9% | 478,900 | $1.0M |
| Geode Capital Management, LLC | 0.00% | Reduce -7.2% | 473,136 | $1.0M |
| Peapod Lane Capital LLC | 0.85% | Add +1.1% | 435,421 | $945K |
| 1888 Investments, LLC | 41.61% | No change | 359,143 | $779K |
| Two Sigma Investments, LP | 0.00% | Add +1.7% | 292,306 | $634K |
| Berkshire Asset Management LLC | 0.03% | No change | 275,000 | $597K |
| Royal Bank of Canada | 0.00% | Reduce -2.9% | 258,119 | $560K |
| Gsa Capital Partners LLP | 0.04% | Add +31.9% | 246,667 | $535K |
| Dimensional Fund Advisors LP | 0.00% | Reduce -1.0% | 229,181 | $498K |
| Millennium Management | 0.00% | Reduce -34.2% | 225,064 | $488K |
| Morgan Stanley | 0.00% | Reduce -31.6% | 190,463 | $413K |
| Goldman Sachs Group Inc. | 0.00% | Add +16.4% | 186,813 | $405K |
| State Street Corp. | 0.00% | Reduce -1.1% | 157,982 | $343K |
| Palumbo Wealth Management LLC | 0.09% | Add +22.4% | 128,980 | $280K |
| Susquehanna International Group, LLP | 0.00% | Add +22.8% | 123,447 | $268K |
| HSBC Holdings PLC | 0.00% | Add +3.2% | 117,976 | $258K |
| Jacobs Levy Equity Management, Inc. | 0.00% | Reduce -65.6% | 112,555 | $244K |
| Edgewood Management LLC | 0.00% | No change | 100,000 | $217K |
| Northern Trust Corp. | 0.00% | Reduce -35.9% | 97,154 | $211K |
| Squarepoint Ops LLC | 0.00% | Add +57.0% | 91,906 | $199K |
| UBS Group AG | 0.00% | Reduce -49.4% | 80,288 | $174K |
| Invesco Ltd. | 0.00% | Reduce -39.3% | 79,890 | $173K |
| American Century Companies Inc. | 0.00% | No change | 75,169 | $163K |
| Shay Capital LLC | 0.03% | Add +17.7% | 73,571 | $160K |
| Bank of America Corp. | 0.00% | Reduce -24.8% | 58,791 | $128K |
| Prelude Capital Management, LLC | 0.01% | Reduce -5.3% | 47,937 | $104K |
| Jane Street Group, LLC | 0.00% | Reduce -78.7% | 46,183 | $100K |
| XTX Topco Ltd | 0.00% | Reduce -49.3% | 40,684 | $88K |
| T. Rowe Price Associates Inc. | 0.00% | No change | 39,855 | $87K |
| Pathstone Holdings, LLC | 0.00% | Reduce -48.5% | 28,205 | $61K |
| Rangeley Capital, LLC | 0.04% | Add +100.0% | 20,000 | $43K |
| Charles Schwab Investment Management Inc. | 0.00% | No change | 18,051 | $39K |
| Sequoia Financial Advisors, LLC | 0.00% | Reduce -2.0% | 16,600 | $36K |
| Citadel Advisors | 0.00% | Reduce -93.5% | 16,424 | $36K |
| Qube Research & Technologies Ltd | 0.00% | Add +2.8% | 15,368 | $33K |
| HRT Financial LP | 0.00% | Reduce -87.7% | 14,763 | $32K |
| FNY Investment Advisers, LLC | 0.01% | No change | 8,500 | $18K |
| Barclays PLC | 0.00% | No change | 7,735 | $17K |
| BNP Paribas Financial Markets | 0.00% | Add +760.3% | 6,908 | $15K |
| SBI Securities Co., Ltd. | 0.00% | Reduce -8.2% | 3,228 | $7K |
| Osaic Holdings, Inc. | 0.00% | No change | 3,210 | $7K |
| Russell Investments Group, Ltd. | 0.00% | No change | 2,050 | $4K |
| Cornerstone Planning Group LLC | 0.00% | Reduce -93.3% | 30 | $2K |
| National Bank of Canada | 0.00% | No change | 1,000 | $2K |
| JPMorgan Chase & Co. | 0.00% | Reduce -99.9% | 134 | $291 |
| Citigroup Inc. | 0.00% | No change | 71 | $154 |
| Farther Finance Advisors, LLC | 0.00% | No change | 36 | $78 |
| Nisa Investment Advisors, LLC | 0.00% | No change | 23 | $50 |
"% of holder's portfolio" is SEER's weight in each manager's 13F, not the share of Seer Inc. the manager owns.