Security Snapshot

Seer, Inc. - Class A Common Stock, par value $0.00001 per share (SEER) Institutional Ownership

CUSIP: 81578P106

13F Institutional Holders and Ownership History from Q4 2020 to Q1 2026

Latest Period

Q4 2025

Institutions Reporting

63

Shares (Excl. Options)

24,432,222

Price

$1.83

Save this security page for your next review

Keep this CUSIP in your watchlists so you can revisit quarter changes from one place.

Create free account to save this page Review latest holder period
Type / Class
Equity / Class A Common Stock, par value $0.00001 per share
Symbol
SEER on Nasdaq
Shares outstanding
56,744,174
Price per share
$1.65
All holders as of 31 Dec 2025
Q4 2025
Total 13F shares
24,432,222
Total reported value
$44,708,195
% of total 13F portfolios
0%
Share change
-2,467,869
Value change
-$5,092,395
Number of holders
63
Price from insider filings
$1.65
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Quick Takeaways

  • SEER - Seer, Inc. - Class A Common Stock, par value $0.00001 per share is tracked under CUSIP 81578P106.
  • 63 institutions reported positions in Q4 2025.
  • 3 significant owners is listed from Schedule 13D/13G reporting.

What Changed

  • Holder count moved from 63 to 1 between Q4 2025 and Q1 2026.
  • Reported value moved from $44,708,195 to $14,000.

Why This Matters

  • 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.

Source Evidence

Source: SEC Form 13F

Latest holder context comes from 63 institutions filings for Q4 2025.

Open SEC Evidence

Investment Quick Answers

What is CUSIP 81578P106?
CUSIP 81578P106 identifies SEER - Seer, Inc. - Class A Common Stock, par value $0.00001 per share in SEC 13F datasets.

Where can I see the latest institutional holders?
Review the Q4 2025 holders report and the ownership history table below.

Significant Owners of Seer, Inc. - Class A Common Stock, par value $0.00001 per share (SEER) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
Schindel Yair Chaim 8.4% $8,320,201 4,923,196 Schindel Yair Chaim 31 Dec 2024
Farokhzad Omid 7.8% $7,814,651 4,624,054 Omid Farokhzad 31 Dec 2024
Radoff Bradley Louis 4.6% 0% $4,489,599 2,610,232 0% Radoff Bradley Louis 12 Apr 2026

As of 31 Dec 2025, 63 institutional investors reported holding 24,432,222 shares of Seer, Inc. - Class A Common Stock, par value $0.00001 per share (SEER). This represents 43% of the company’s total 56,744,174 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of Seer, Inc. - Class A Common Stock, par value $0.00001 per share (SEER) together control 41% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.

Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
SOFTBANK GROUP CORP. 9.1% 5,135,383 0% 0.06% $9,397,751
Siren, L.L.C. 7% 4,000,000 0% 0.22% $7,320,000
VANGUARD GROUP INC 3.9% 2,187,413 -1.5% 0% $4,002,966
ACADIAN ASSET MANAGEMENT LLC 3.6% 2,041,198 -4.8% 0.01% $3,732,000
BlackRock, Inc. 3.2% 1,827,134 -1.5% 0% $3,343,657
RENAISSANCE TECHNOLOGIES LLC 1.9% 1,051,400 -5.3% 0% $1,924,062
NANO CAP NEW MILLENNIUM GROWTH FUND L P 1.5% 825,000 0% 1.3% $1,509,750
AJU IB Investment Co., Ltd. 1.4% 816,375 0% 8% $1,493,966
FMR LLC 1.2% 703,886 -0.04% 0% $1,288,112
BRIDGEWAY CAPITAL MANAGEMENT, LLC 1.1% 609,443 -17% 0.02% $1,115,281
GEODE CAPITAL MANAGEMENT, LLC 0.83% 473,040 -0.02% 0% $865,859
TWO SIGMA ADVISERS, LP 0.81% 462,100 -3.5% 0% $845,643
Peapod Lane Capital LLC 0.77% 438,612 +0.73% 0.68% $802,660
D. E. Shaw & Co., Inc. 0.72% 408,557 -31% 0% $747,659
1888 Investments, LLC 0.63% 359,143 0% 6.4% $657,232
GSA CAPITAL PARTNERS LLP 0.46% 261,364 +6% 0.04% $478,000
TWO SIGMA INVESTMENTS, LP 0.45% 252,647 -14% 0% $462,344
DIMENSIONAL FUND ADVISORS LP 0.41% 235,485 +2.8% 0% $430,831
GOLDMAN SACHS GROUP INC 0.37% 211,053 +13% 0% $386,227
MORGAN STANLEY 0.3% 171,368 -10% 0% $313,603
STATE STREET CORP 0.27% 152,082 -3.7% 0% $278,310
Shay Capital LLC 0.26% 150,331 +104% 0.04% $275,106
T3 Companies, LLC 0.23% 132,000 0% 0.31% $241,560
MILLENNIUM MANAGEMENT LLC 0.21% 116,497 -48% 0% $213,190
HSBC HOLDINGS PLC 0.2% 114,348 -3.1% 0% $210,401

Institutional Holders of Seer, Inc. - Class A Common Stock, par value $0.00001 per share (SEER) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2026 Q1 8,500 $14,000 -$66 $1.65 1
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