Latest Period
Q1 2026
Security Snapshot
Seer, Inc. - Class A Common Stock (SEER) Institutional Ownership
CUSIP: 81578P106
13F Institutional Holders and Ownership History from Q4 2020 to Q1 2026
Institutions Reporting
58
Shares (Excl. Options)
21,338,899
Price
$1.68
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- Security type / class
- Equity / Class A Common Stock
- Symbol
- SEER on Nasdaq
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 21,338,899
- Total 13F value
- $36,023,479
- Portfolio coverage rank
- 0%
- Share change
- -3,093,323
- Value change
- -$5,331,002
- Number of holders
- 58
- Shares outstanding
- 57,656,100
- SEC-reported price per share
- $1.98
- Insider filing price
- $1.98
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.
- 58 institutions reported positions in Q1 2026.
- 4 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 63 to 58 between Q4 2025 and Q1 2026.
- SEC-reported value moved from $44,708,195 to $36,023,479.
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 58 institutions filings for Q1 2026.
Security key
81578P106
Latest holder period
Q1 2026
13F holders
58
13D/G owners
4
CIK / CUSIP context first
Open Q1 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 31 Mar 2026, 58 institutional investors reported holding 21,338,899 shares of Seer, Inc. - Class A Common Stock (SEER). This represents 37% 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
35%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| SOFTBANK GROUP CORP. | 8.9% | 5,135,383 | 0% | 0.08% | $8,627,443 |
| Siren, L.L.C. | 4.3% | 2,458,673 | -39% | 0.11% | $4,130,571 |
| ACADIAN ASSET MANAGEMENT LLC | 3.6% | 2,074,709 | +1.6% | 0% | $3,484,000 |
| VANGUARD CAPITAL MANAGEMENT LLC | 3.4% | 1,958,996 | 0% | 0% | $3,291,113 |
| BlackRock, Inc. | 3.2% | 1,821,604 | -0.3% | 0% | $3,060,295 |
| RENAISSANCE TECHNOLOGIES LLC | 1.7% | 976,688 | -7.1% | 0% | $1,640,836 |
| NANO CAP NEW MILLENNIUM GROWTH FUND L P | 1.4% | 825,000 | 0% | 1.3% | $1,386,000 |
| AJU IB Investment Co., Ltd. | 1.4% | 816,375 | 0% | 5.1% | $1,542,949 |
| TWO SIGMA INVESTMENTS, LP | 0.89% | 511,598 | +102% | 0% | $859,485 |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | 0.8% | 459,443 | -25% | 0.02% | $771,864 |
| Peapod Lane Capital LLC | 0.76% | 438,581 | -0.01% | 0.6% | $735,885 |
| GEODE CAPITAL MANAGEMENT, LLC | 0.73% | 422,977 | -11% | 0% | $710,790 |
| 1888 Investments, LLC | 0.62% | 359,143 | 0% | 0.96% | $603,360 |
| DIMENSIONAL FUND ADVISORS LP | 0.38% | 221,916 | -5.8% | 0% | $372,819 |
| VANGUARD FIDUCIARY TRUST CO | 0.37% | 215,528 | 0% | 0% | $362,087 |
| GSA CAPITAL PARTNERS LLP | 0.34% | 194,504 | -26% | 0.02% | $327,000 |
| GOLDMAN SACHS GROUP INC | 0.34% | 194,173 | -8% | 0% | $326,211 |
| Rangeley Capital, LLC | 0.32% | 184,302 | +822% | 0.34% | $309,627 |
| T3 Companies, LLC | 0.3% | 170,962 | +30% | 0.39% | $287,216 |
| MORGAN STANLEY | 0.28% | 160,879 | -6.1% | 0% | $270,277 |
| STATE STREET CORP | 0.28% | 159,950 | +5.2% | 0% | $268,716 |
| JACOBS LEVY EQUITY MANAGEMENT, INC | 0.25% | 143,242 | +267% | 0% | $240,647 |
| Shay Capital LLC | 0.23% | 135,490 | -9.9% | 0.03% | $227,623 |
| NORTHERN TRUST CORP | 0.23% | 134,560 | +24% | 0% | $226,061 |
| D. E. Shaw & Co., Inc. | 0.22% | 125,154 | -69% | 0% | $210,259 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
22
Latest
Q1 2026
Rows shown
1-22 of 22
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 21,338,899 | $36,023,479 | -$5,331,002 | $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 |