SeerSEER
13F holders, Q1 2026 (March 31)At the end of Q1 2026, 58 institutions reported holding Seer Inc. (SEER) in their 13F filings, down 5 from Q4 2025. 7 opened new positions and 13 sold out. The largest holders were Softbank Group Corp. ($8.6M), Siren, L.L.C. ($4.1M) and Acadian Asset Management LLC ($3.5M). 3 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 Steve Cohen (0.0% of Point72 Asset Management's portfolio).
- Company
- Seer Inc.
- CUSIP
- 81578P106
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 7 | $258K |
| Exits | 13 | $836K |
All 13F filers, Q4 2025 → Q1 2026: 790,626 shares bought and 3,422,032 shares sold, net −2,631,406 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 58 holders
| Softbank Group Corp. | 0.08% | No change | 5,135,383 | $8.6M |
| Siren, L.L.C. | 0.11% | Reduce -38.5% | 2,458,673 | $4.1M |
| Acadian Asset Management LLC | 0.00% | Add +1.6% | 2,074,709 | $3.5M |
| Vanguard Capital Management LLC | 0.00% | — | 1,958,996 | $3.3M |
| BlackRock, Inc. | 0.00% | Reduce -0.3% | 1,821,604 | $3.1M |
| Renaissance Technologies | 0.00% | Reduce -7.1% | 976,688 | $1.6M |
| AJU IB Investment Co., Ltd. | 5.05% | No change | 816,375 | $1.5M |
| Nano Cap New Millennium Growth Fund L P | 1.30% | No change | 825,000 | $1.4M |
| Two Sigma Investments, LP | 0.00% | Add +102.5% | 511,598 | $859K |
| Bridgeway Capital Management, LLC | 0.02% | Reduce -24.6% | 459,443 | $772K |
| Peapod Lane Capital LLC | 0.60% | Reduce -0.0% | 438,581 | $736K |
| Geode Capital Management, LLC | 0.00% | Reduce -10.6% | 422,977 | $711K |
| 1888 Investments, LLC | 0.96% | No change | 359,143 | $603K |
| Dimensional Fund Advisors LP | 0.00% | Reduce -5.8% | 221,916 | $373K |
| Vanguard Fiduciary Trust Co. | 0.00% | — | 215,528 | $362K |
| Gsa Capital Partners LLP | 0.02% | Reduce -25.6% | 194,504 | $327K |
| Goldman Sachs Group Inc. | 0.00% | Reduce -8.0% | 194,173 | $326K |
| Rangeley Capital, LLC | 0.34% | Add +821.5% | 184,302 | $310K |
| T3 Companies, LLC | 0.40% | Add +29.5% | 170,962 | $287K |
| Morgan Stanley | 0.00% | Reduce -6.1% | 160,879 | $270K |
| State Street Corp. | 0.00% | Add +5.2% | 159,950 | $269K |
| Jacobs Levy Equity Management, Inc. | 0.00% | Add +267.1% | 143,242 | $241K |
| Shay Capital LLC | 0.03% | Reduce -9.9% | 135,490 | $228K |
| Northern Trust Corp. | 0.00% | Add +24.5% | 134,560 | $226K |
| D. E. Shaw & Co. | 0.00% | Reduce -69.4% | 125,154 | $210K |
| HSBC Holdings PLC | 0.00% | No change | 114,348 | $193K |
| Edgewood Management LLC | 0.00% | No change | 100,000 | $168K |
| NewEdge Advisors, LLC | 0.00% | New | 78,709 | $132K |
| American Century Companies Inc. | 0.00% | Reduce -1.8% | 73,815 | $124K |
| Royal Bank of Canada | 0.00% | Reduce -0.3% | 71,617 | $120K |
| Palumbo Wealth Management LLC | 0.03% | Reduce -0.7% | 67,187 | $113K |
| Corient Private Wealth LP | 0.00% | No change | 63,200 | $106K |
| Bank of America Corp. | 0.00% | Reduce -0.9% | 57,072 | $96K |
| UBS Group AG | 0.00% | Add +10.4% | 48,396 | $81K |
| Barclays PLC | 0.00% | Reduce -20.6% | 48,211 | $81K |
| Marshall Wace, LLP | 0.00% | Reduce -1.9% | 45,790 | $77K |
| Prelude Capital Management, LLC | 0.01% | No change | 44,052 | $74K |
| T. Rowe Price Associates Inc. | 0.00% | No change | 39,855 | $67K |
| Algert Global LLC | 0.00% | New | 34,980 | $59K |
| Pathstone Holdings, LLC | 0.00% | No change | 28,205 | $47K |
| Invesco Ltd. | 0.00% | Add +1.2% | 26,460 | $44K |
| Sequoia Financial Advisors, LLC | 0.00% | No change | 16,600 | $28K |
| Occudo Quantitative Strategies LP | 0.00% | New | 13,361 | $26K |
| Point72 Asset Management | 0.00% | Reduce -51.0% | 14,813 | $25K |
| XTX Topco Ltd | 0.00% | New | 13,150 | $22K |
| Vanguard Global Advisers, LLC | 0.00% | — | 12,889 | $22K |
| Advisory Services Network, LLC | 0.00% | New | 10,000 | $17K |
| FNY Investment Advisers, LLC | 0.01% | No change | 8,500 | $14K |
| SBI Securities Co., Ltd. | 0.00% | Add +9.9% | 2,633 | $4K |
| Russell Investments Group, Ltd. | 0.00% | No change | 2,050 | $3K |
| National Bank of Canada | 0.00% | New | 1,000 | $2K |
| BNP Paribas Financial Markets | 0.00% | No change | 662 | $1K |
| FMR LLC | 0.00% | Reduce -99.9% | 644 | $1K |
| Cornerstone Planning Group LLC | 0.00% | No change | 447 | $832 |
| Osaic Holdings, Inc. | 0.00% | Reduce -87.9% | 380 | $636 |
| JPMorgan Chase & Co. | 0.00% | No change | 134 | $225 |
| Nisa Investment Advisors, LLC | 0.00% | No change | 23 | $39 |
| Caitong International Asset Management Co., Ltd | 0.00% | New | 3 | $5 |
"% of holder's portfolio" is SEER's weight in each manager's 13F, not the share of Seer Inc. the manager owns.