iSpecimen
ISPC
9 hedge funds and large institutions have $83.5K invested in iSpecimen in 2026 Q1 according to their latest regulatory filings, with 4 funds opening new positions, 3 increasing their positions, 1 reducing their positions, and 3 closing their positions.
200% more repeat investments, than reductions
Existing positions increased: 3 | Existing positions reduced: 1
153% more capital invested
Capital invested by funds: $32.9K → $83.5K (+$50.5K)
33% more first-time investments, than exits
New positions opened: 4 | Existing positions closed: 3
0.1% more ownership
Funds ownership: 0.03% → 0.14% (+0.1%)
0% more funds holding
Funds holding: 9 → 9 (0)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Geode Capital Management
Boston,
Massachusetts
|
+$76.2K |
| 2 |
Citadel Advisors
Miami,
Florida
|
+$14.2K |
| 3 |
UBS Group
Zurich,
Switzerland
|
+$13.3K |
| 4 |
Jane Street
New York
|
+$11.7K |
| 5 |
SG
StoneX Group
New York
|
+$5.54K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Susquehanna International Group
Bala Cynwyd,
Pennsylvania
|
-$3.92K |
| 2 |
JF
Jump Financial
Chicago,
Illinois
|
-$2.72K |
| 3 |
Bank of America
Charlotte,
North Carolina
|
-$22 |
| 4 |
TRCT
Tower Research Capital (TRC)
New York
|
-$11 |
| Name | Holding | Trade Value |
Shares Change |
Change in Stake |
|
|---|---|---|---|---|---|
|
1
Geode Capital Management
Boston,
Massachusetts
| $49.2K | +$76.2K | +6,787 | +653% |
|
|
2
Jane Street
New York
| $8.73K | +$11.7K | +1,039 | +295% |
|
|
3
UBS Group
Zurich,
Switzerland
| $8.44K | +$13.3K | +1,183 | +735% |
|
|
4
Citadel Advisors
Miami,
Florida
| $7.92K | +$14.2K | +1,262 | New |
|
|
VFT
5
Vanguard Fiduciary Trust
Malvern,
Pennsylvania
| $4.42K | +$7.91K | +704 | New |
|
|
SG
6
StoneX Group
New York
| $3.09K | +$5.54K | +493 | New |
|
|
TRCT
7
Tower Research Capital (TRC)
New York
| $1.04K | -$11 | -1 | -0.6% |
|
8
BlackRock
New York
| $444 | – | – | – |
|
|
VCM
9
Vanguard Capital Management
Malvern,
Pennsylvania
| $194 | +$348 | +31 | New |
|
|
SS
10
SBI Securities
Tokyo,
Japan
| $3 | – | – | – |
|
|
GCP
11
Gill Capital Partners
Denver,
Colorado
| $2 | – | – | – |
|
|
S
12
Sachetta
Lynnfield,
Massachusetts
| $1 | – | – | – |
|
|
13
Susquehanna International Group
Bala Cynwyd,
Pennsylvania
| – | -$3.92K | -377 | Closed |
|
|
JF
14
Jump Financial
Chicago,
Illinois
| – | -$2.72K | -262 | Closed |
|
|
15
Bank of America
Charlotte,
North Carolina
| – | -$22 | -2 | Closed |
|
ISPC Hedge Fund Activity: Q1 2026 in Review
9 of the 8,127 institutional investors tracked by Wall St. Rank reported a position in iSpecimen (ISPC) for Q1 2026, worth a combined $83.5K — up 153% from $32.9K a quarter earlier.
Buyers outnumbered sellers: 4 funds opened new ISPC positions and 3 closed out — a net gain of 1 holder — while 3 added to existing stakes and 1 trimmed.
The largest buyer was Geode Capital Management, adding an estimated $76.2K. The largest seller was Susquehanna International Group, exiting entirely with an estimated $3.92K sold.
- 9 institutional investors held iSpecimen (ISPC) as of Q1 2026, unchanged from Q4 2025.
- Funds reported $83.5K of iSpecimen stock for Q1 2026, up 153% quarter-over-quarter.
- 4 funds opened new iSpecimen positions in Q1 2026 and 3 closed out, a net change of +1 holder.
- The largest iSpecimen buyer in Q1 2026 was Geode Capital Management, an estimated $76.2K added.
- The largest iSpecimen seller in Q1 2026 was Susquehanna International Group, an estimated $3.92K sold.
Based on aggregated 13F filings for Q1 2026.