Simplex Trading
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Simplex Trading’s X4 Pharmaceuticals XFOR Stock Holding History

Simplex Trading’s Portfolio XFOR Stock Details XFOR Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q2 		– Sell
-2,333
Closed -$21K – 9880
2025
Q1 		$21K Buy
+2,333
New +$32.1K ﹤0.01% 6561
2024
Q4 		– Sell
-163
Closed -$3K – 9784
2024
Q3 		$3K Hold
163
– – ﹤0.01% 7910
2024
Q2 		$2K Sell
163
-554
-77% -$18.1K ﹤0.01% 8369
2024
Q1 		$29K Buy
717
+210
+41% +$5.84K ﹤0.01% 6790
2023
Q4 		$12K Sell
507
-90
-15% -$2.19K ﹤0.01% 7328
2023
Q3 		$19K Sell
597
-2,716
-82% -$118K ﹤0.01% 6684
2023
Q2 		$192K Buy
3,313
+2,656
+404% +$136K ﹤0.01% 4340
2023
Q1 		$17K Sell
657
-960
-59% -$28.1K ﹤0.01% 7093
2022
Q4 		$48K Buy
1,617
+724
+81% +$34.3K ﹤0.01% 5945
2022
Q3 		$45K Buy
893
+840
+1,585% +$29K ﹤0.01% 6607
2022
Q2 		$1K Sell
53
-7,367
-99% -$280K ﹤0.01% 9706
2022
Q1 		$389K Buy
7,420
+6,967
+1,538% +$400K ﹤0.01% 4191
2021
Q4 		$31K Buy
+453
New +$57.3K ﹤0.01% 7878

Other funds holding XFOR

BCLSI
Bain Capital Life Sciences Investors Boston, Massachusetts $1.11B AUM 171.34% 1-Year Est. Return
NMC
NEA Management Company Timonium, Maryland $1.76B AUM 223.33% 1-Year Est. Return
KCM
Kingdon Capital Management New York $911M AUM 51.11% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
ACA
Acorn Capital Advisors New York $352M AUM 299.18% 1-Year Est. Return
GCP
GSA Capital Partners London, United Kingdom $1.61B AUM 28.28% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return
Jane Street
Jane Street New York $777B AUM 61.18% 1-Year Est. Return
Bank of America
Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return

Simplex Trading's XFOR Position: Q2 2025 in Review

Simplex Trading sold out of X4 Pharmaceuticals (XFOR) in Q2 2025, closing a stake of 3,723 shares — an estimated $26K sold.

Simplex Trading first reported a position in XFOR in Q2 2021 and held it in 14 quarters. The position peaked at $439K in Q2 2023. 51 funds tracked by Wall St. Rank hold XFOR as of Q2 2025.

  • Simplex Trading reported no remaining X4 Pharmaceuticals position as of Q2 2025 after selling out during the quarter.
  • Simplex Trading sold 3,723 X4 Pharmaceuticals shares in Q2 2025, an estimated $26K.
  • Simplex Trading first reported a position in X4 Pharmaceuticals in Q2 2021 and held it in 14 quarters.
  • Simplex Trading's X4 Pharmaceuticals position peaked at $439K in Q2 2023.
  • 51 funds tracked by Wall St. Rank held X4 Pharmaceuticals as of Q2 2025.

Based on Simplex Trading's 13F filing for Q2 2025, filed 5 Aug 2025.