SeerSEER
13F holders, Q2 2026 (June 30)At the end of Q2 2026, 59 institutions reported holding Seer Inc. (SEER) in their 13F filings, up 1 from Q1 2026. 9 opened new positions and 7 sold out. The largest holders were Softbank Group Corp. ($8.5M), Siren, L.L.C. ($4.1M) and Acadian Asset Management LLC ($3.2M). 3 famous investors held it, including Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio), Ken Griffin (0.0% of Citadel Advisors'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 Q1 2026 → Q2 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 9 | $1.4M |
| Exits | 7 | $792K |
All 13F filers, Q1 2026 → Q2 2026: 1,329,561 shares bought and 1,340,921 shares sold, net −11,360 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 59 holders
| Softbank Group Corp. | 0.05% | No change | 5,135,383 | $8.5M |
| Siren, L.L.C. | 0.08% | No change | 2,458,673 | $4.1M |
| Acadian Asset Management LLC | 0.00% | Reduce -5.8% | 1,953,704 | $3.2M |
| Vanguard Capital Management LLC | 0.00% | Reduce -6.5% | 1,831,058 | $3.0M |
| BlackRock, Inc. | 0.00% | Reduce -21.6% | 1,428,405 | $2.4M |
| Renaissance Technologies | 0.00% | Add +0.9% | 985,500 | $1.6M |
| Nano Cap New Millennium Growth Fund L P | 1.05% | No change | 825,000 | $1.4M |
| Citadel Advisors | 0.00% | New | 519,310 | $862K |
| Two Sigma Investments, LP | 0.00% | Reduce -3.8% | 492,298 | $817K |
| Geode Capital Management, LLC | 0.00% | Add +8.8% | 460,430 | $765K |
| Bridgeway Capital Management, LLC | 0.01% | No change | 459,443 | $763K |
| Peapod Lane Capital LLC | 0.50% | Add +1.6% | 445,450 | $739K |
| 1888 Investments, LLC | 1.06% | No change | 359,143 | $596K |
| Goldman Sachs Group Inc. | 0.00% | Add +27.0% | 246,638 | $409K |
| Jacobs Levy Equity Management, Inc. | 0.00% | Add +55.2% | 222,332 | $369K |
| Rangeley Capital, LLC | 0.36% | Add +20.4% | 222,000 | $369K |
| Vanguard Fiduciary Trust Co. | 0.00% | Add +0.7% | 216,961 | $360K |
| Dimensional Fund Advisors LP | 0.00% | Reduce -4.2% | 212,625 | $353K |
| Edgewood Management LLC | 0.00% | Add +100.0% | 200,000 | $332K |
| Gsa Capital Partners LLP | 0.02% | Reduce -5.1% | 184,524 | $306K |
| State Street Corp. | 0.00% | No change | 159,950 | $266K |
| Morgan Stanley | 0.00% | Reduce -9.6% | 145,434 | $241K |
| Advisory Services Network, LLC | 0.00% | Add +1326.5% | 142,648 | $237K |
| Voss Capital, LP | 0.01% | New | 137,291 | $228K |
| HSBC Holdings PLC | 0.00% | No change | 114,348 | $192K |
| Shay Capital LLC | 0.02% | Reduce -30.5% | 94,208 | $156K |
| Northern Trust Corp. | 0.00% | Reduce -41.4% | 78,895 | $131K |
| American Century Companies Inc. | 0.00% | No change | 73,815 | $123K |
| Corient Private Wealth LP | 0.00% | Add +15.8% | 73,200 | $122K |
| Royal Bank of Canada | 0.00% | Reduce -0.1% | 71,560 | $119K |
| Palumbo Wealth Management LLC | 0.02% | Add +1.9% | 68,483 | $114K |
| Marquette Asset Management, LLC | 0.01% | New | 61,816 | $103K |
| Jane Street Group, LLC | 0.00% | New | 59,400 | $99K |
| Bank of America Corp. | 0.00% | Reduce -0.1% | 56,993 | $95K |
| T. Rowe Price Associates Inc. | 0.00% | Add +30.3% | 51,914 | $87K |
| XTX Topco Ltd | 0.00% | Add +237.5% | 44,377 | $74K |
| Prelude Capital Management, LLC | 0.00% | Reduce -23.1% | 33,887 | $56K |
| Pathstone Holdings, LLC | 0.00% | Reduce -6.0% | 26,510 | $44K |
| UBS Group AG | 0.00% | Reduce -46.0% | 26,139 | $43K |
| Invesco Ltd. | 0.00% | Reduce -9.9% | 23,835 | $40K |
| HRT Financial LP | 0.00% | New | 22,709 | $37K |
| Sequoia Financial Advisors, LLC | 0.00% | No change | 16,600 | $28K |
| Bronte Capital Management Pty Ltd. | 0.00% | New | 15,109 | $25K |
| Point72 Asset Management | 0.00% | Reduce -4.7% | 14,115 | $23K |
| Vanguard Global Advisers, LLC | 0.00% | No change | 12,889 | $21K |
| FNY Investment Advisers, LLC | 0.01% | No change | 8,500 | $14K |
| Barclays PLC | 0.00% | Reduce -83.1% | 8,127 | $13K |
| SBI Securities Co., Ltd. | 0.00% | Reduce -11.3% | 2,336 | $4K |
| Russell Investments Group, Ltd. | 0.00% | Reduce -21.8% | 1,603 | $3K |
| Atlantic Union Bankshares Corp | 0.00% | New | 1,250 | $2K |
| National Bank of Canada | 0.00% | No change | 1,000 | $2K |
| Simplex Trading, LLC | 0.00% | New | 867 | $1K |
| BNP Paribas Financial Markets | 0.00% | No change | 662 | $1K |
| FMR LLC | 0.00% | Reduce -1.4% | 635 | $1K |
| Tower Research Capital LLC (TRC) | 0.00% | New | 631 | $1K |
| Osaic Holdings, Inc. | 0.00% | No change | 380 | $630 |
| JPMorgan Chase & Co. | 0.00% | No change | 134 | $222 |
| Caitong International Asset Management Co., Ltd | 0.00% | Add +4266.7% | 131 | $217 |
| Nisa Investment Advisors, LLC | 0.00% | No change | 23 | $38 |
"% of holder's portfolio" is SEER's weight in each manager's 13F, not the share of Seer Inc. the manager owns.