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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.

New
Increased
Maintained
Reduced
Closed

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

Holders
59
Holders Change
-12
Holders Change %
-16.9%
% of All Funds
0.78%
Holding in Top 10
1
Holding in Top 10 Change
+1
Holding in Top 10 Change %
% of All Funds
0.01%
New
13
Increased
14
Reduced
26
Closed
24
Calls
$35K
Puts
$3K
Net Calls
+$32K
Net Calls Change
+$34K

Top Buyers

Rank Fund Capital Flow
1
WCA
Whetstone Capital Advisors
Kansas
+$8.99M
2
Aberdeen Group
Aberdeen Group
United Kingdom
+$2.44M
3
SMH
Sanders Morris Harris
Texas
+$419K
4
Millennium Management
Millennium Management
New York
+$403K
5
CAPTRUST Financial Advisors
CAPTRUST Financial Advisors
North Carolina
+$248K

Top Sellers

Rank Fund Capital Flow
1
RCM
RA Capital Management
Massachusetts
-$11.2M
2
BlackRock
BlackRock
New York
-$3.45M
3
JP Morgan Chase
JP Morgan Chase
New York
-$1.78M
4
State Street
State Street
Massachusetts
-$868K
5
Geode Capital Management
Geode Capital Management
Massachusetts
-$821K
Name Holding Trade Value Shares
Change 		Change in
Stake
BBA
1
Baker Bros. Advisors
New York
$15.2M – – –
WCA
2
Whetstone Capital Advisors
Kansas
$10.1M +$8.99M +3,632,371 New
Aberdeen Group
3
Aberdeen Group
United Kingdom
$6.17M +$2.44M +987,367 +80%
VC
4
Vivo Capital
California
$4.57M – – –
Vanguard Group
5
Vanguard Group
Pennsylvania
$3.22M -$278K -112,180 -9%
AIC
6
AWM Investment Company
New York
$1.89M -$460K -185,906 -21%
Citadel Advisors
7
Citadel Advisors
Florida
$1.74M +$3.96K +1,600 +0.3%
CAPTRUST Financial Advisors
8
CAPTRUST Financial Advisors
North Carolina
$1.67M +$248K +100,366 +20%
Geode Capital Management
9
Geode Capital Management
Massachusetts
$838K -$821K -331,842 -52%
SMH
10
Sanders Morris Harris
Texas
$730K +$419K +169,400 +180%
Millennium Management
11
Millennium Management
New York
$511K +$403K +163,014 +756%
BlackRock
12
BlackRock
New York
$402K -$3.45M -1,392,780 -91%
PCM
13
Perkins Capital Management
Minnesota
$363K -$47K -19,000 -13%
State Street
14
State Street
Massachusetts
$337K -$868K -350,701 -74%
Corient Private Wealth
15
Corient Private Wealth
Florida
$277K +$105K +42,500 +74%
Northern Trust
16
Northern Trust
Illinois
$254K -$429K -173,307 -65%
Morgan Stanley
17
Morgan Stanley
New York
$253K +$22.4K +9,055 +11%
Wealth Enhancement Advisory Services
18
Wealth Enhancement Advisory Services
Minnesota
$247K +$968 +391 +0.4%
Squarepoint
19
Squarepoint
New York
$237K +$130K +52,701 +161%
CCWA
20
CLA (CliftonLarsonAllen) Wealth Advisors
Minnesota
$218K +$195K +78,855 New
Bank of New York Mellon
21
Bank of New York Mellon
New York
$213K -$146K -58,825 -43%
PWM
22
Perigon Wealth Management
California
$201K – – –
YIH
23
Y-Intercept (HK)
Hong Kong
$188K +$168K +67,692 New
GCP
24
GSA Capital Partners
United Kingdom
$173K +$86.8K +35,079 +128%
RCM
25
Requisite Capital Management
Texas
$154K – – –
1
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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.