Sera Prognostics
SERA
59 hedge funds and large institutions have $51.5M invested in Sera Prognostics in 2025 Q2 according to their latest regulatory filings, with 13 funds opening new positions, 14 increasing their positions, 26 reducing their positions, and 24 closing their positions.
1,067% more call options, than puts
Call options by funds: $35K | Put options by funds: $3K
4.43% less ownership
Funds ownership: 55.13% → 50.7% (-4.4%)
17% less funds holding
Funds holding: 71 → 59 (-12)
31% less capital invested
Capital invested by funds: $74.4M → $51.5M (-$22.9M)
46% less first-time investments, than exits
New positions opened: 13 | Existing positions closed: 24
46% less repeat investments, than reductions
Existing positions increased: 14 | Existing positions reduced: 26
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
WCA
Whetstone Capital Advisors
Shawnee Mission,
Kansas
|
+$8.99M |
| 2 |
Aberdeen Group
Edinburgh,
United Kingdom
|
+$2.44M |
| 3 |
SMH
Sanders Morris Harris
Houston,
Texas
|
+$419K |
| 4 |
Millennium Management
New York
|
+$403K |
| 5 |
CAPTRUST Financial Advisors
Raleigh,
North Carolina
|
+$248K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
RCM
RA Capital Management
Boston,
Massachusetts
|
-$11.2M |
| 2 |
BlackRock
New York
|
-$3.45M |
| 3 |
JP Morgan Chase
New York
|
-$1.78M |
| 4 |
State Street
Boston,
Massachusetts
|
-$868K |
| 5 |
Geode Capital Management
Boston,
Massachusetts
|
-$821K |
| Name | Holding | Trade Value |
Shares Change |
Change in Stake |
|
|---|---|---|---|---|---|
|
AIP
76
Ameritas Investment Partners
Lincoln,
Nebraska
| – | -$9.95K | -2,704 | Closed |
|
77
California State Teachers Retirement System (CalSTRS)
West Sacramento,
California
| – | -$7.81K | -2,122 | Closed |
|
78
Russell Investments Group
London,
United Kingdom
| – | -$4.21K | -1,143 | Closed |
|
|
AB
79
Amalgamated Bank
New York
| – | -$4K | -955 | Closed |
|
80
Group One Trading
Chicago,
Illinois
| – | -$1.47K | -400 | Closed |
|
81
Royal Bank of Canada
Toronto,
Ontario, Canada
| – | -$884 | -357 | -91% |
|
82
Simplex Trading
Chicago,
Illinois
| – | -$158 | -64 | Closed |
|
|
SCM
83
Sterling Capital Management
Charlotte,
North Carolina
| – | -$103 | -28 | Closed |
|
SERA Hedge Fund Activity: Q2 2025 in Review
59 of the 7,596 institutional investors tracked by Wall St. Rank reported a position in Sera Prognostics (SERA) for Q2 2025, worth a combined $51.5M — down 31% from $74.4M a quarter earlier.
Sellers outnumbered buyers: 24 funds closed out of SERA and 13 opened new positions — a net loss of 11 holders — while 26 trimmed existing stakes and 14 added.
The largest buyer was Whetstone Capital Advisors, opening a new position worth an estimated $8.99M. The largest seller was RA Capital Management, exiting entirely with an estimated $11.2M sold.
- 59 institutional investors held Sera Prognostics (SERA) as of Q2 2025, down from 71 in Q1 2025.
- Funds reported $51.5M of Sera Prognostics stock for Q2 2025, down 31% quarter-over-quarter.
- 13 funds opened new Sera Prognostics positions in Q2 2025 and 24 closed out, a net change of -11 holders.
- The largest Sera Prognostics buyer in Q2 2025 was Whetstone Capital Advisors, an estimated $8.99M added.
- The largest Sera Prognostics seller in Q2 2025 was RA Capital Management, an estimated $11.2M sold.
Based on aggregated 13F filings for Q2 2025.