Renaissance Technologies
ISPC icon

Renaissance Technologies’s iSpecimen ISPC Stock Holding History

Renaissance Technologies’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
2025
Q4 		– Sell
-3,836
Closed -$198K – 3492
2025
Q3 		$198K Buy
+3,836
New +$180K ﹤0.01% 3136
2024
Q2 		– Sell
-13
Closed -$2K – 3731
2024
Q1 		$2K Hold
13
– – ﹤0.01% 3656
2023
Q4 		$5K Buy
+13
New +$5.66K ﹤0.01% 3669
2023
Q3 		– Sell
-19
Closed -$21K – 3880
2023
Q2 		$21K Buy
+19
New +$22.2K ﹤0.01% 3765

Other funds holding ISPC

Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
Susquehanna International Group
Susquehanna International Group Bala Cynwyd, Pennsylvania $893B AUM 36.07% 1-Year Est. Return
Jane Street
Jane Street New York $777B AUM 61.18% 1-Year Est. Return
JF
Jump Financial Chicago, Illinois $7.5B AUM 33.9% 1-Year Est. Return
TRCT
Tower Research Capital (TRC) New York $3.85B AUM 32.11% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return
S
Sachetta Lynnfield, Massachusetts $206M AUM 26.19% 1-Year Est. Return

Renaissance Technologies's ISPC Position: Q4 2025 in Review

Renaissance Technologies sold out of iSpecimen (ISPC) in Q4 2025, closing a stake of 3,836 shares — an estimated $198K sold.

Renaissance Technologies first reported a position in ISPC in Q2 2023 and held it in 4 quarters. The position peaked at $198K in Q3 2025. 9 funds tracked by Wall St. Rank hold ISPC as of Q4 2025.

  • Renaissance Technologies reported no remaining iSpecimen position as of Q4 2025 after selling out during the quarter.
  • Renaissance Technologies sold 3,836 iSpecimen shares in Q4 2025, an estimated $198K.
  • Renaissance Technologies first reported a position in iSpecimen in Q2 2023 and held it in 4 quarters.
  • Renaissance Technologies's iSpecimen position peaked at $198K in Q3 2025.
  • 9 funds tracked by Wall St. Rank held iSpecimen as of Q4 2025.

Based on Renaissance Technologies's 13F filing for Q4 2025, filed 12 Feb 2026.