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
-3,723
Closed -$26K – 9879
2025
Q1 		$26K Sell
3,723
-2,674
-42% -$36.8K ﹤0.01% 6382
2024
Q4 		$140K Buy
6,397
+6,282
+5,463% +$100K ﹤0.01% 4870
2024
Q3 		$2K Sell
115
-2,399
-95% -$50.1K ﹤0.01% 8097
2024
Q2 		$43K Buy
+2,514
New +$82.2K ﹤0.01% 6235
2024
Q1 		– Sell
-32
Closed -$890 – 10054
2023
Q4 		$0 Sell
32
-411
-93% -$9.99K ﹤0.01% 9977
2023
Q3 		$14K Sell
443
-7,109
-94% -$310K ﹤0.01% 6955
2023
Q2 		$439K Buy
7,552
+6,459
+591% +$332K ﹤0.01% 3447
2023
Q1 		$28K Buy
1,093
+482
+79% +$14.1K ﹤0.01% 6572
2022
Q4 		$18K Buy
611
+236
+63% +$11.2K ﹤0.01% 6999
2022
Q3 		$19K Buy
+375
New +$13K ﹤0.01% 7597
2022
Q2 		– Sell
-1,189
Closed -$45.2K – 11262
2022
Q1 		$62K Buy
1,189
+1,012
+572% +$58K ﹤0.01% 6843
2021
Q4 		$12K Buy
177
+175
+8,750% +$22.1K ﹤0.01% 8888
2021
Q3 		$0 Hold
2
– – ﹤0.01% 9904
2021
Q2 		$0 Buy
+2
New +$503 ﹤0.01% 10804

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.