Sera Prognostics
SERA
56 hedge funds and large institutions have $40.5M invested in Sera Prognostics in 2026 Q1 according to their latest regulatory filings, with 11 funds opening new positions, 6 increasing their positions, 17 reducing their positions, and 11 closing their positions.
100% more funds holding in top 10
Funds holding in top 10: 1 → 2 (+1)
5.1% more ownership
Funds ownership: 47.15% → 52.24% (+5.1%)
0% more first-time investments, than exits
New positions opened: 11 | Existing positions closed: 11
2% less funds holding
Funds holding: 57 → 56 (-1)
23% less capital invested
Capital invested by funds: $52.4M → $40.5M (-$11.9M)
65% less repeat investments, than reductions
Existing positions increased: 6 | Existing positions reduced: 17
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
PR
PSP Research
Newtown Square,
Pennsylvania
|
+$6.17M |
| 2 |
SMH
Sanders Morris Harris
Houston,
Texas
|
+$811K |
| 3 |
Aberdeen Group
Edinburgh,
United Kingdom
|
+$698K |
| 4 |
Geode Capital Management
Boston,
Massachusetts
|
+$74.6K |
| 5 |
Morgan Stanley
New York
|
+$61.9K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Citadel Advisors
Miami,
Florida
|
-$1.18M |
| 2 |
Corient Private Wealth
Miami,
Florida
|
-$580K |
| 3 |
WCA
Whetstone Capital Advisors
Shawnee Mission,
Kansas
|
-$394K |
| 4 |
Susquehanna International Group
Bala Cynwyd,
Pennsylvania
|
-$211K |
| 5 |
Millennium Management
New York
|
-$55.8K |
SERA Hedge Fund Activity: Q1 2026 in Review
56 of the 8,126 institutional investors tracked by Wall St. Rank reported a position in Sera Prognostics (SERA) for Q1 2026, worth a combined $40.5M — down 23% from $52.4M a quarter earlier.
Fund positioning in SERA was balanced in Q1 2026: 11 funds opened new positions, 11 closed out, 6 added to existing stakes and 17 trimmed.
The largest buyer was PSP Research, opening a new position worth an estimated $6.17M. The largest seller was Citadel Advisors, cutting an estimated $1.18M.
- 56 institutional investors held Sera Prognostics (SERA) as of Q1 2026, down from 57 in Q4 2025.
- Funds reported $40.5M of Sera Prognostics stock for Q1 2026, down 23% quarter-over-quarter.
- 11 funds opened new Sera Prognostics positions in Q1 2026 and 11 closed out, a net change of 0 holders.
- The largest Sera Prognostics buyer in Q1 2026 was PSP Research, an estimated $6.17M added.
- The largest Sera Prognostics seller in Q1 2026 was Citadel Advisors, an estimated $1.18M sold.
Based on aggregated 13F filings for Q1 2026.