Seer, Inc.
SEER- Exchange
- Nasdaq
- Industry
- Laboratory Analytical Instruments
- SEC CIK
- 0001726445
In the last 90 days, Seer, Inc. insiders filed 0 open-market purchases and 2 sales; 59 institutions reported holding it in 13F filings for Q2 2026, worth $34.0M in total; no superinvestor holds it.
Holders of 5% or more of SEER
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Seer, Inc., largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Schindel Yair Chaim | 13G/A | 8.35%4.92M shares | – | Jan 8, 20251 filing | Jan 8, 2025 | SEC |
| Farokhzad Omid | 13G/A | 7.80%4.62M shares | – | Feb 12, 20251 filing | Feb 12, 2025 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
5 Schedule 13D and 13G filings on Seer, Inc., newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Aug 13, 20254:24 PM ET | Radoff Bradley Louisand 1 other | 13G/A | 2.60%1.40M shares | −5.00 ppfrom 7.60%Below 5% | Jun 30, 2025 | SEC |
| May 14, 20254:01 PM ET | Radoff Bradley Louisand 1 other | 13G/A | 7.60%4.25M shares | +2.30 ppfrom 5.30% | Mar 31, 2025 | SEC |
| Feb 12, 20254:10 PM ET | Farokhzad Omid | 13G/A | 7.80%4.62M shares | – | Dec 31, 2024 | SEC |
| Feb 12, 20251:07 PM ET | Radoff Bradley Louisand 1 other | 13G | 5.30%2.92M shares | New | Feb 11, 2025 | SEC |
| Jan 8, 20258:39 AM ET | Schindel Yair Chaimand 4 others | 13G/A | 8.35%4.92M shares | – | Dec 31, 2024 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Seer, Inc. shares.
No Form 144 notices for Seer, Inc. are on file.