Institutional Ownership
Seer Inc
CUSIP 81578P106COM CL ASEERQ1 2026
13D / 13G Filings
46
Schedule 13D/13G on record
Beneficial Filers
15
Distinct reporting persons
Largest Stake
15.0%
Max % of class reported
Institutional Holders
54
13F filers (latest quarter)
Beneficial Owners — Schedule 13D / 13G
46 filings · latest Mar 2, 2026
| # | Filed | Reporting Person | Form | % of Class | Shares | Filing |
|---|---|---|---|---|---|---|
| 1 | Mar 2, 2026 | Radoff Family Foundation | 13D/A | 4.6% | — | SEC |
| 2 | Feb 20, 2026 | Radoff Family Foundation | 13D | 3.7% | — | SEC |
| 3 | Aug 13, 2025 | Radoff Family Foundation | 13G/A | 2.6% | 1.40M | SEC |
| 4 | May 14, 2025 | Radoff Family Foundation | 13G/A | 7.6% | 4.25M | SEC |
| 5 | Feb 12, 2025 | Omid Farokhzad | 13G/A | 7.8% | 4.62M | SEC |
| 6 | Feb 12, 2025 | Radoff Family Foundation | 13G | 5.3% | 2.92M | SEC |
| 7 | Jan 8, 2025 | Schindel Yair Chaim | 13G/A | 8.3% | 4.92M | SEC |
| 8 | Aug 2, 2024 | Invus Global Management, LLC | 13G/A | 6.9% | 4.20M | SEC |
| 9 | Jul 8, 2024 | Blackrock Inc. | 13G/A | 4.3% | 2.64M | SEC |
| 10 | Apr 10, 2024 | Fmr LLC | 13G/A | 1.2% | — | SEC |
36 more beneficial-ownership filings on Premium
See the full Schedule 13D/13G history for Seer Inc.
Unlock full historyTop Institutional Holders (13F)
Largest reported positions · latest quarter
| # | Fund | Shares | Value |
|---|---|---|---|
| 1 | Softbank Group Corp. | 5.14M | $8.63M |
| 2 | Siren, L.L.C. | 2.46M | $4.13M |
| 3 | Blackrock, Inc. | 1.82M | $3.06M |
| 4 | Renaissance Technologies LLC | 976.7K | $1.64M |
| 5 | Aju Ib Investment Co., Ltd. | 816.4K | $1.54M |
| 6 | Nano Cap New Millennium Growth Fund L P | 825.0K | $1.39M |
| 7 | Two Sigma Investments, LP | 511.6K | $859.5K |
| 8 | Bridgeway Capital Management, LLC | 459.4K | $771.9K |
| 9 | Peapod Lane Capital LLC | 438.6K | $735.9K |
| 10 | Geode Capital Management, LLC | 423.0K | $710.8K |