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.
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)
0.09% less ownership
Funds ownership: 0.16% → 0.07% (-0.09%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Citadel Advisors
Miami,
Florida
|
+$22.7K |
| 2 |
XT
XTX Topco
George Town,
Cayman Islands
|
+$11.7K |
| 3 |
Geode Capital Management
Boston,
Massachusetts
|
+$4.75K |
| 4 |
TRCT
Tower Research Capital (TRC)
New York
|
+$3.72K |
| 5 |
Bank of America
Charlotte,
North Carolina
|
+$47 |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
BCM
Bridgeway Capital Management
Houston,
Texas
|
-$23.1K |
| 2 |
UBS Group
Zurich,
Switzerland
|
-$8.94K |
| Name | Holding | Trade Value |
Shares Change |
Change in Stake |
|
|---|---|---|---|---|---|
|
1
Citadel Advisors
Miami,
Florida
| $19.1K | +$22.7K | +487 | New |
|
|
2
Geode Capital Management
Boston,
Massachusetts
| $14.5K | +$4.75K | +102 | +38% |
|
|
3
UBS Group
Zurich,
Switzerland
| $13.8K | -$8.94K | -192 | -35% |
|
|
XT
4
XTX Topco
George Town,
Cayman Islands
| $9.88K | +$11.7K | +252 | New |
|
|
TRCT
5
Tower Research Capital (TRC)
New York
| $6.06K | +$3.72K | +80 | +107% |
|
6
BlackRock
New York
| $2.77K | – | – | – |
|
|
7
Bank of America
Charlotte,
North Carolina
| $22 | +$47 | +1 | New |
|
|
SS
8
SBI Securities
Tokyo,
Japan
| $7 | – | – | – |
|
|
S
9
Sachetta
Lynnfield,
Massachusetts
| $2 | – | – | – |
|
|
BCM
10
Bridgeway Capital Management
Houston,
Texas
| – | -$23.1K | -545 | Closed |
|
ISPC Hedge Fund Activity: Q2 2025 in Review
7 of the 7,596 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.