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 1 sale; 59 institutions reported holding it in 13F filings for Q2 2026, worth $34.0M in total; no superinvestor holds it.
Key figures
- Market capClose on Nov 13, 2026
- $87.6M
- Insider buysOpen market, last 90 days
- 0
- Insider sellsLast 90 days, $14.8K in total
- 1
- 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
Financials
See financial statementsFrom SEC filings, in USD.
- Revenue, FY2025
- $16.6M
- +17.0% year over year
- Net income, FY2025
- -$73.6M
- No comparable prior period
- Free cash flow, FY2025
- -$46.2M
- No comparable prior period
- Revenue, Q3 FY2026
- $3.98M
- −3.4% year over year
Revenue flow, FY2025
Green is profit; orange is costs, expenses and taxes. Percentages are shares of revenue.
Net loss for FY2025: $73.6M (444.0% of revenue).
Short interest
See short dataFrom FINRA, settlement date Oct 30, 2026.
- Short interest
- 81.1K
- Shares sold short
- Change
- −13.3K
- −14.1% vs. previous
- Days to cover
- 1.00
- At average daily volume
Superinvestors holding SEER, Q2 2026
Go to the superinvestors tabNo superinvestor reported holding SEER at the end of Q2 2026.
Latest insider trades
See all insider tradesOpen-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
See all 59 holdersThe 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 |
Holders of 5% or more of SEER
See all 2 holders and filingsHolders whose latest Schedule 13D or 13G filing reports 5% or more of Seer, Inc..
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Farokhzad Omid | 13G/A | 12.00%6.92M shares | +4.20 ppfrom 7.80% | Feb 16, 20216 filings | May 15, 2026 | SEC |
| Schindel Yair Chaim | 13G/A | 8.35%4.92M shares | – | Feb 8, 20215 filings | Jan 8, 2025 | SEC |