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iSpecimen
ISPC

7 hedge funds and large institutions have $66.1K invested in iSpecimen in 2025 Q2 according to their latest regulatory filings, with 3 funds opening new positions, 2 increasing their positions, 1 reducing their positions, and 1 closing their positions.

New
Increased
Maintained
Reduced
Closed

200% more first-time investments, than exits

New positions opened: 3 | Existing positions closed: 1

100% more repeat investments, than reductions

Existing positions increased: 2 | Existing positions reduced: 1

40% more funds holding

Funds holding: 5 → 7 (+2)

4% more capital invested

Capital invested by funds: $63.7K → $66.1K (+$2.41K)

0.77% more ownership

Funds ownership: 6.26% → 7.02% (+0.77%)

Holders
7
Holders Change
+2
Holders Change %
+40%
% of All Funds
0.09%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
3
Increased
2
Reduced
1
Closed
1
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
Citadel Advisors
Citadel Advisors
Florida
+$22.7K
2
XT
XTX Topco
Cayman Islands
+$11.7K
3
Geode Capital Management
Geode Capital Management
Massachusetts
+$4.75K
4
TRCT
Tower Research Capital (TRC)
New York
+$3.72K
5
Bank of America
Bank of America
North Carolina
+$47

Top Sellers

Rank Fund Capital Flow
1
BCM
Bridgeway Capital Management
Texas
-$23.1K
2
UBS Group
UBS Group
Switzerland
-$8.94K

ISPC Hedge Fund Activity: Q2 2025 in Review

7 of the 7,613 institutional investors tracked by Wall St. Rank reported a position in iSpecimen (ISPC) for Q2 2025, worth a combined $66.1K — up 3.8% from $63.7K a quarter earlier.

Buyers outnumbered sellers: 3 funds opened new ISPC positions and 1 closed out — a net gain of 2 holders — while 2 added to existing stakes and 1 trimmed.

The largest buyer was Citadel Advisors, opening a new position worth an estimated $22.7K. The largest seller was Bridgeway Capital Management, exiting entirely with an estimated $23.1K sold.

  • 7 institutional investors held iSpecimen (ISPC) as of Q2 2025, up from 5 in Q1 2025.
  • Funds reported $66.1K of iSpecimen stock for Q2 2025, up 3.8% quarter-over-quarter.
  • 3 funds opened new iSpecimen positions in Q2 2025 and 1 closed out, a net change of +2 holders.
  • The largest iSpecimen buyer in Q2 2025 was Citadel Advisors, an estimated $22.7K added.
  • The largest iSpecimen seller in Q2 2025 was Bridgeway Capital Management, an estimated $23.1K sold.

Based on aggregated 13F filings for Q2 2025.