Jane Street
ISPC icon

Jane Street’s iSpecimen ISPC Stock Holding History

Jane Street’s Portfolio ISPC Stock Details ISPC Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$8.73K Buy
1,391
+1,039
+295% +$11.7K ﹤0.01% 11317
2025
Q4 		$3.67K Sell
352
-154
-30% -$3.9K ﹤0.01% 10908
2025
Q3 		$26.1K Buy
+506
New +$23.8K ﹤0.01% 10486
2024
Q4 		– Sell
-547
Closed -$103K – 9986
2024
Q3 		$103K Buy
547
+522
+2,088% +$113K ﹤0.01% 8981
2024
Q2 		$6.14K Buy
+25
New +$6K ﹤0.01% 9149
2022
Q2 		– Sell
-13
Closed -$56K – 10216
2022
Q1 		$56K Buy
+13
New +$50.8K ﹤0.01% 9654
2021
Q3 		– Sell
-36
Closed -$208K – 10315
2021
Q2 		$208K Buy
+36
New +$207K ﹤0.01% 8761

Other funds holding ISPC

Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $618B AUM 30.34% 1-Year Est. Return
VFT
Vanguard Fiduciary Trust Malvern, Pennsylvania $396B AUM
SG
StoneX Group New York $1.86B AUM 21.3% 1-Year Est. Return
TRCT
Tower Research Capital (TRC) New York $3.85B AUM 32.11% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
SS
SBI Securities Tokyo, Japan $4.4B AUM 74.25% 1-Year Est. Return
GCP
Gill Capital Partners Denver, Colorado $348M AUM 14.74% 1-Year Est. Return

Jane Street's ISPC Position: Q1 2026 in Review

Jane Street increased its iSpecimen (ISPC) stake by 295% in Q1 2026, buying an estimated $11.7K and bringing the position to 1,391 shares worth $8.73K. The position accounts for ﹤0.01% of the portfolio, ranked #11317.

Jane Street first reported a position in ISPC in Q2 2021 and has held it in 7 quarters since. The position peaked at $208K in Q2 2021. 9 funds tracked by Wall St. Rank hold ISPC as of Q1 2026.

  • Jane Street held 1,391 shares of iSpecimen worth $8.73K as of Q1 2026.
  • Jane Street bought 1,039 iSpecimen shares in Q1 2026, an estimated $11.7K.
  • iSpecimen made up ﹤0.01% of Jane Street's portfolio in Q1 2026, its #11317 holding.
  • Jane Street first reported a position in iSpecimen in Q2 2021 and has held it in 7 quarters since.
  • Jane Street's iSpecimen position peaked at $208K in Q2 2021.
  • 9 funds tracked by Wall St. Rank held iSpecimen as of Q1 2026.

Based on Jane Street's 13F filing for Q1 2026, filed 12 May 2026.