Latest Period
Q2 2026
Security Snapshot
Seer, Inc. - Class A Common Stock (SEER) Institutional Ownership
CUSIP: 81578P106
13F Institutional Holders and Ownership History from Q4 2020 to Q2 2026
Institutions Reporting
59
Shares (Excl. Options)
20,511,221
Price
$1.66
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- Security type / class
- Equity / Class A Common Stock
- Symbol
- SEER on Nasdaq
- All holders as of 30 Jun 2026
- Q2 2026
- Total 13F shares
- 20,511,221
- Total 13F value
- $34,049,407
- Portfolio coverage rank
- 0%
- Share change
- -656,716
- Value change
- -$1,287,977
- Number of holders
- 59
- Shares outstanding
- 57,656,100
- SEC-reported price per share
- $2.20
- Insider filing price
- $2.20
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
3 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- SEER - Seer, Inc. - Class A Common Stock is tracked under CUSIP 81578P106.
- 59 institutions reported positions in Q2 2026.
- 4 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 58 to 59 between Q1 2026 and Q2 2026.
- SEC-reported value moved from $36,023,245 to $34,049,407.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 59 institutions filings for Q2 2026.
Security key
81578P106
Latest holder period
Q2 2026
13F holders
59
13D/G owners
4
CIK / CUSIP context first
Open Q2 2026 holders
SEER full holder history
Seer, Inc. SEC filings
Seer, Inc. company facts
Seer, Inc. insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 81578P106:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
4
Security
SEER
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| Farokhzad Omid | 12% | +52% | $11,692,657 | +$3,878,006 | 6,918,732 | +50% | Omid Farokhzad | 31 Mar 2026 |
| Schindel Yair Chaim | 8.4% | $8,320,201 | 4,923,196 | Schindel Yair Chaim | 31 Dec 2024 | |||
| Radoff Bradley Louis | 4.6% | 0% | $4,489,599 | 2,610,232 | 0% | Radoff Bradley Louis | 12 Apr 2026 | |
| Invus Global Management, LLC | 4.4% | $4,155,157 | 2,458,673 | Invus Public Equities, L.P. | 31 Mar 2026 |
As of 30 Jun 2026, 59 institutional investors reported holding 20,511,221 shares of Seer, Inc. - Class A Common Stock (SEER). This represents 36% of the company’s total 57,656,100 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
34%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| SOFTBANK GROUP CORP. | 8.9% | 5,135,383 | 0% | 0.05% | $8,524,736 |
| Siren, L.L.C. | 4.3% | 2,458,673 | 0% | 0.08% | $4,081,397 |
| ACADIAN ASSET MANAGEMENT LLC | 3.4% | 1,953,704 | -5.8% | 0% | $3,242,000 |
| VANGUARD CAPITAL MANAGEMENT LLC | 3.2% | 1,831,058 | -6.5% | 0% | $3,039,556 |
| BlackRock, Inc. | 2.5% | 1,428,405 | -22% | 0% | $2,371,153 |
| RENAISSANCE TECHNOLOGIES LLC | 1.7% | 985,500 | +0.9% | 0% | $1,635,930 |
| NANO CAP NEW MILLENNIUM GROWTH FUND L P | 1.4% | 825,000 | 0% | 1.1% | $1,369,500 |
| CITADEL ADVISORS LLC | 0.9% | 519,310 | 0% | $862,055 | |
| TWO SIGMA INVESTMENTS, LP | 0.85% | 492,298 | -3.8% | 0% | $817,215 |
| GEODE CAPITAL MANAGEMENT, LLC | 0.8% | 460,430 | +8.9% | 0% | $764,512 |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | 0.8% | 459,443 | 0% | 0.01% | $762,675 |
| Peapod Lane Capital LLC | 0.77% | 445,450 | +1.6% | 0.5% | $739,447 |
| 1888 Investments, LLC | 0.62% | 359,143 | 0% | 1.1% | $596,177 |
| GOLDMAN SACHS GROUP INC | 0.43% | 246,638 | +27% | 0% | $409,419 |
| JACOBS LEVY EQUITY MANAGEMENT, INC | 0.39% | 222,332 | +55% | 0% | $369,071 |
| Rangeley Capital, LLC | 0.39% | 222,000 | +20% | 0.36% | $368,520 |
| VANGUARD FIDUCIARY TRUST CO | 0.38% | 216,961 | +0.66% | 0% | $360,155 |
| DIMENSIONAL FUND ADVISORS LP | 0.37% | 212,625 | -4.2% | 0% | $352,957 |
| EDGEWOOD MANAGEMENT LLC | 0.35% | 200,000 | +100% | 0% | $332,000 |
| GSA CAPITAL PARTNERS LLP | 0.32% | 184,524 | -5.1% | 0.02% | $306,000 |
| STATE STREET CORP | 0.28% | 159,950 | 0% | 0% | $265,517 |
| MORGAN STANLEY | 0.25% | 145,434 | -9.6% | 0% | $241,421 |
| Advisory Services Network, LLC | 0.25% | 142,648 | +1326% | 0% | $236,796 |
| Voss Capital, LP | 0.24% | 137,291 | 0.01% | $227,903 | |
| HSBC HOLDINGS PLC | 0.2% | 114,348 | 0% | 0% | $191,533 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
23
Latest
Q2 2026
Rows shown
1-23 of 23
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q2 | 20,511,221 | $34,049,407 | -$1,287,977 | $1.66 | 59 |
| 2026 Q1 | 21,338,899 | $36,023,245 | -$5,331,236 | $1.68 | 58 |
| 2025 Q4 | 24,432,222 | $44,708,195 | -$5,092,395 | $1.83 | 63 |
| 2025 Q3 | 25,945,015 | $56,336,796 | -$3,656,864 | $2.17 | 59 |
| 2025 Q2 | 27,611,844 | $59,033,889 | +$259,149 | $2.14 | 68 |
| 2025 Q1 | 27,542,319 | $46,605,394 | -$3,662,788 | $1.69 | 67 |
| 2024 Q4 | 29,611,376 | $68,414,502 | -$2,090,648 | $2.31 | 71 |
| 2024 Q3 | 29,360,918 | $57,761,141 | -$14,714,852 | $1.97 | 70 |
| 2024 Q2 | 34,460,470 | $57,899,838 | -$5,762,025 | $1.68 | 91 |
| 2024 Q1 | 37,748,839 | $71,722,653 | +$671,382 | $1.90 | 85 |
| 2023 Q4 | 37,055,406 | $71,883,653 | -$4,579,031 | $1.94 | 88 |
| 2023 Q3 | 39,211,708 | $86,657,400 | -$7,755,934 | $2.21 | 78 |
| 2023 Q2 | 40,890,094 | $174,583,988 | -$2,691,058 | $4.27 | 85 |
| 2023 Q1 | 41,570,561 | $160,454,145 | +$13,348,685 | $3.86 | 99 |
| 2022 Q4 | 43,143,365 | $250,226,868 | -$10,712,994 | $5.80 | 98 |
| 2022 Q3 | 45,366,501 | $351,184,651 | -$13,570,306 | $7.74 | 91 |
| 2022 Q2 | 44,995,463 | $402,656,497 | -$25,215,963 | $8.95 | 88 |
| 2022 Q1 | 46,726,658 | $711,897,819 | +$14,983,318 | $15.24 | 90 |
| 2021 Q4 | 44,577,765 | $1,016,818,931 | -$77,602,481 | $22.81 | 100 |
| 2021 Q3 | 48,127,481 | $1,661,841,605 | -$58,509,754 | $34.53 | 95 |
| 2021 Q2 | 45,132,788 | $1,479,245,922 | +$75,164,123 | $32.78 | 87 |
| 2021 Q1 | 41,474,972 | $2,046,290,971 | +$364,817,338 | $50.02 | 87 |
| 2020 Q4 | 35,102,162 | $1,903,253,842 | +$1,842,264,842 | $56.14 | 66 |