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Who owns Seer (SEER) stock

56 funds reported Seer (SEER) shares in their latest 13F filings, worth $38.4M in all. The largest holder is Softbank Group ($8.5M). Last quarter 20 funds added to their stakes and 27 cut them.

Largest holders of SEER (13F)Largest holders of SEER (13F)Softbank Group$8.5MSiren, L.L.C.$4.1MVanguard Group$4.0MAcadian Asset Management LLC$3.2MVanguard Capital Management LLC$3.0MBlackRock$2.4MRenaissance Technologies LLC$1.6MNano CAP New Millennium Growth Fu…$1.4MPeapod Lane Capital LLC$940KCitadel Advisors LLC$862K

Largest holders (13F)

FundSharesValueChangeQuarter
Softbank Group5,135,383$8.5Munchanged2026-06-30
Siren, L.L.C.2,458,673$4.1Munchanged2026-06-30
Vanguard Group2,187,413$4.0Mdecrease2025-12-31
Acadian Asset Management LLC1,953,704$3.2Mdecrease2026-06-30
Vanguard Capital Management LLC1,831,058$3.0Mdecrease2026-06-30
BlackRock1,428,405$2.4Mdecrease2026-06-30
Renaissance Technologies LLC985,500$1.6Mincrease2026-06-30
Nano CAP New Millennium Growth Fund L P825,000$1.4Munchanged2026-06-30
Peapod Lane Capital LLC421,484$940Kdecrease2026-09-30
Citadel Advisors LLC519,310$862Knew2026-06-30
Two Sigma Investments, LP492,298$817Kdecrease2026-06-30
1888 Investments, LLC359,143$801Kunchanged2026-09-30
Geode Capital Management, LLC460,430$765Kincrease2026-06-30
Bridgeway Capital Management, LLC459,443$763Kunchanged2026-06-30
Goldman Sachs Group246,638$409Kincrease2026-06-30

Seer's latest quarter

Seer, Q2 2026: revenue $3.1M (-23% year over year), operating margin -542.9%, net loss $16.9M, operating cash flow −$9.6M. The chart follows the revenue to costs, profit and cash.

Questions

Who owns the most SEER stock?

By the latest 13F filings: Softbank Group ($8.5M); Siren, L.L.C. ($4.1M); Vanguard Group ($4.0M); Acadian Asset Management LLC ($3.2M); Vanguard Capital Management LLC ($3.0M).

What is the short interest in SEER?

94,400 shares were sold short at the 2026-10-15 settlement, -13.07% of the float.

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Updated Nov 8, 2026. Read automatically from SEC filings and public data; errors are possible. Not investment advice.