Sera Prognostics, Inc. (SERA): Ownership & Insider Activity
Hedge funds and institutional managers reporting a position in SERA · Health Care. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.
Reported Holders
5
13F filers
Aggregate Value
$10.3M
Across holders
Last Price
$2.18
2026-08-24
Sector
Health Care
GICS
Quarterly fund activity1 increased3 reduced1 exited
Full exits: Squarepoint Ops LLC
| Manager⇅ | Type⇅ | Shares⇅ | Market Value▼ | % of Total⇅ | % of Portfolio⇅ | Action⇅ | QoQ Change⇅ | Quarter⇅ |
|---|---|---|---|---|---|---|---|---|
| BAKER BROS. ADVISORS LP CIK 0001263508 | Hedge Fund | 5.50M | $10.0M | 96.8% | 0.1% | Unchanged | +$0 | Q2 2026 |
| MILLENNIUM MANAGEMENT LLC CIK 0001273087 | Hedge Fund | 74K | $135K | 1.3% | 0.0% | Reduced | $-32K | Q2 2026 |
| Qube Research & Technologies Ltd CIK 0001729829 | Hedge Fund | 51K | $93K | 0.9% | 0.0% | Added | +$56K | Q2 2026 |
| CITADEL ADVISORS LLC CIK 0001423053 | Hedge Fund | 41K | $75K | 0.7% | 0.0% | Reduced | +$48K | Q2 2026 |
| TWO SIGMA INVESTMENTS, LP CIK 0001179392 | Hedge Fund | 16K | $30K | 0.3% | 0.0% | Reduced | $-10K | Q2 2026 |
Unchanged
Hedge Fund
$10.0M· 96.8% of total· 0.1% port· 5.50M sh· +$0 QoQ· Q2 2026
Reduced
Hedge Fund
$135K· 1.3% of total· 0.0% port· 74K sh· $-32K QoQ· Q2 2026
Added
Hedge Fund
$93K· 0.9% of total· 0.0% port· 51K sh· +$56K QoQ· Q2 2026
Reduced
Hedge Fund
$75K· 0.7% of total· 0.0% port· 41K sh· +$48K QoQ· Q2 2026
Reduced
Hedge Fund
$30K· 0.3% of total· 0.0% port· 16K sh· $-10K QoQ· Q2 2026
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