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.
Key figures
- Insider buysOpen market, last 90 days
- 0
- Insider sellsLast 90 days, $38.1K in total
- 2
- 13F holdersQ2 2026, +1 vs. previous quarter
- 59
- 13F valueReported value at the end of Q2 2026
- $34.0M
- Superinvestors holdingAt the end of Q2 2026
- 0
Price chart
Superinvestors holding SEER, Q2 2026
No superinvestor reported holding SEER at the end of Q2 2026.
Latest insider trades
Open-market purchases and sales by Seer, Inc. insiders from Form 4, newest first.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Aug 19, 2026 (view filing)6:59 PM ET | Aug 18 | 1 day | Horn David R.PRESIDENT & CFO | SSaleClass A Common Stock | −7.31K | $2.03 | −$14.8K | −1.5%486.6K after | |
| Jul 10, 2026 (view filing)6:23 PM ET | Jul 8 | 2 days | Nishar DipchandDirector | SSaleClass A Common Stock | −10.7K | $2.18 | −$23.3K | −15.3%59.0K after | 10b5-1 |
| May 21, 2026 (view filing) | May 20 | 1 day | Horn David R.PRESIDENT & CFO | SSaleClass A Common Stock | −7.30K | $1.69 | −$12.3K | −1.5%494.0K after | |
| Feb 19, 2026 (view filing) | Feb 18 | 1 day | Horn David R.PRESIDENT & CFO | SSaleClass A Common Stock | −7.74K | $1.99 | −$15.4K | −1.5%501.3K after | |
| Feb 19, 2026 (view filing) | Feb 18 | 1 day | Farokhzad OmidCEO AND CHAIR | SSaleClass A Common Stock | −24.4K | $1.99 | −$48.5K | −0.7%3.35M after | |
| Nov 21, 2025 (view filing) | Nov 19 | 2 days | Horn David R.PRESIDENT & CFO | SSaleClass A Common Stock | −6.80K | $1.97 | −$13.4K | −1.5%436.8K after | |
| Nov 21, 2025 (view filing) | Nov 19 | 2 days | Farokhzad OmidCEO AND CHAIR | SSaleClass A Common Stock | −33.8K | $1.97 | −$66.7K | −2.7%1.24M after | |
| Aug 21, 2025 (view filing) | Aug 20 | 1 day | Horn David R.PRESIDENT & CFO | SSaleClass A Common Stock | −6.83K | $2.04 | −$13.9K | −1.5%436.8K after | |
| Aug 21, 2025 (view filing) | Aug 20 | 1 day | Farokhzad OmidCEO AND CHAIR | SSaleClass A Common Stock | −34.0K | $2.04 | −$69.3K | −2.6%1.27M after | |
| Jun 16, 2025 (view filing) | Jun 13 | 3 days | Nishar DipchandDirector | SSaleClass A Common Stock | −30.3K | $2.08 | −$62.9K | −38.1%49.2K after | 10b5-1 |
Top 10 13F holders, Q2 2026
The largest institutional positions in Seer, Inc. at the end of Q2 2026; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Softbank Group Corp | 5,135,383 | $8.52M | 0.05% | 00.0% | Unchanged |
| Siren, L.L.C. | 2,458,673 | $4.08M | 0.08% | 00.0% | Unchanged |
| Acadian Asset Management LLC | 1,953,704 | $3.24M | 0.00% | −121,005−5.8% | Reduced |
| Vanguard Capital Management LLC | 1,831,058 | $3.04M | 0.00% | −127,938−6.5% | Reduced |
| BlackRock, Inc. | 1,428,405 | $2.37M | 0.00% | −393,199−21.6% | Reduced |
| Renaissance Technologies LLC | 985,500 | $1.64M | 0.00% | +8,812+0.9% | Added |
| Nano Cap New Millennium Growth Fund L P | 825,000 | $1.37M | 1.05% | 00.0% | Unchanged |
| Citadel Advisors LLC | 519,310 | $862.1K | 0.00% | +519,310 | New |
| Two Sigma Investments, LP | 492,298 | $817.2K | 0.00% | −19,300−3.8% | Reduced |
| Geode Capital Management, LLC | 460,430 | $764.5K | 0.00% | +37,453+8.9% | Added |