SeerSEER

13F holders, Q2 2026 (June 30)
59holders +1
9new positions
7sold out
3famous investors
$1.66avg. 13F price*

At the end of Q2 2026, 59 institutions reported holding Seer Inc. (SEER) in their 13F filings, up 1 from Q1 2026. 9 opened new positions and 7 sold out. The largest holders were Softbank Group Corp. ($8.5M), Siren, L.L.C. ($4.1M) and Acadian Asset Management LLC ($3.2M). 3 famous investors held it, including Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio), Ken Griffin (0.0% of Citadel Advisors's portfolio) and Steve Cohen (0.0% of Point72 Asset Management's portfolio).

Company
Seer Inc.
CUSIP
81578P106
Latest filing quarter
Q2 2026

History

Number of 13F holders

020406080100 Q1 2024: 88Q1 2024Q2 2024: 91Q2 2024Q3 2024: 70Q3 2024Q4 2024: 71Q4 2024Q1 2025: 67Q1 2025Q2 2025: 68Q2 2025Q3 2025: 59Q3 2025Q4 2025: 63Q4 2025Q1 2026: 58Q1 2026Q2 2026: 59Q2 2026

Total Exit/New Position Q1 2026 → Q2 2026

InstitutionsTotal Value
New Positions9$1.4M
Exits7$792K

All 13F filers, Q1 2026 → Q2 2026: 1,329,561 shares bought and 1,340,921 shares sold, net −11,360 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 59 holders

Softbank Group Corp. 0.05% No change 5,135,383 $8.5M
Siren, L.L.C. 0.08% No change 2,458,673 $4.1M
Acadian Asset Management LLC 0.00% Reduce -5.8% 1,953,704 $3.2M
Vanguard Capital Management LLC 0.00% Reduce -6.5% 1,831,058 $3.0M
BlackRock, Inc. 0.00% Reduce -21.6% 1,428,405 $2.4M
Renaissance Technologies 0.00% Add +0.9% 985,500 $1.6M
Nano Cap New Millennium Growth Fund L P 1.05% No change 825,000 $1.4M
Citadel Advisors 0.00% New 519,310 $862K
Two Sigma Investments, LP 0.00% Reduce -3.8% 492,298 $817K
Geode Capital Management, LLC 0.00% Add +8.8% 460,430 $765K
Bridgeway Capital Management, LLC 0.01% No change 459,443 $763K
Peapod Lane Capital LLC 0.50% Add +1.6% 445,450 $739K
1888 Investments, LLC 1.06% No change 359,143 $596K
Goldman Sachs Group Inc. 0.00% Add +27.0% 246,638 $409K
Jacobs Levy Equity Management, Inc. 0.00% Add +55.2% 222,332 $369K
Rangeley Capital, LLC 0.36% Add +20.4% 222,000 $369K
Vanguard Fiduciary Trust Co. 0.00% Add +0.7% 216,961 $360K
Dimensional Fund Advisors LP 0.00% Reduce -4.2% 212,625 $353K
Edgewood Management LLC 0.00% Add +100.0% 200,000 $332K
Gsa Capital Partners LLP 0.02% Reduce -5.1% 184,524 $306K
State Street Corp. 0.00% No change 159,950 $266K
Morgan Stanley 0.00% Reduce -9.6% 145,434 $241K
Advisory Services Network, LLC 0.00% Add +1326.5% 142,648 $237K
Voss Capital, LP 0.01% New 137,291 $228K
HSBC Holdings PLC 0.00% No change 114,348 $192K
Shay Capital LLC 0.02% Reduce -30.5% 94,208 $156K
Northern Trust Corp. 0.00% Reduce -41.4% 78,895 $131K
American Century Companies Inc. 0.00% No change 73,815 $123K
Corient Private Wealth LP 0.00% Add +15.8% 73,200 $122K
Royal Bank of Canada 0.00% Reduce -0.1% 71,560 $119K
Palumbo Wealth Management LLC 0.02% Add +1.9% 68,483 $114K
Marquette Asset Management, LLC 0.01% New 61,816 $103K
Jane Street Group, LLC 0.00% New 59,400 $99K
Bank of America Corp. 0.00% Reduce -0.1% 56,993 $95K
T. Rowe Price Associates Inc. 0.00% Add +30.3% 51,914 $87K
XTX Topco Ltd 0.00% Add +237.5% 44,377 $74K
Prelude Capital Management, LLC 0.00% Reduce -23.1% 33,887 $56K
Pathstone Holdings, LLC 0.00% Reduce -6.0% 26,510 $44K
UBS Group AG 0.00% Reduce -46.0% 26,139 $43K
Invesco Ltd. 0.00% Reduce -9.9% 23,835 $40K
HRT Financial LP 0.00% New 22,709 $37K
Sequoia Financial Advisors, LLC 0.00% No change 16,600 $28K
Bronte Capital Management Pty Ltd. 0.00% New 15,109 $25K
Point72 Asset Management 0.00% Reduce -4.7% 14,115 $23K
Vanguard Global Advisers, LLC 0.00% No change 12,889 $21K
FNY Investment Advisers, LLC 0.01% No change 8,500 $14K
Barclays PLC 0.00% Reduce -83.1% 8,127 $13K
SBI Securities Co., Ltd. 0.00% Reduce -11.3% 2,336 $4K
Russell Investments Group, Ltd. 0.00% Reduce -21.8% 1,603 $3K
Atlantic Union Bankshares Corp 0.00% New 1,250 $2K
National Bank of Canada 0.00% No change 1,000 $2K
Simplex Trading, LLC 0.00% New 867 $1K
BNP Paribas Financial Markets 0.00% No change 662 $1K
FMR LLC 0.00% Reduce -1.4% 635 $1K
Tower Research Capital LLC (TRC) 0.00% New 631 $1K
Osaic Holdings, Inc. 0.00% No change 380 $630
JPMorgan Chase & Co. 0.00% No change 134 $222
Caitong International Asset Management Co., Ltd 0.00% Add +4266.7% 131 $217
Nisa Investment Advisors, LLC 0.00% No change 23 $38

"% of holder's portfolio" is SEER's weight in each manager's 13F, not the share of Seer Inc. the manager owns.