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Deep Track Capital’s X4 Pharmaceuticals XFOR Stock Holding History

Deep Track Capital’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
2026
Q2 		$27.5M Sell
5,878,757
-460,778
-7% -$1.89M 0.4% 49
2026
Q1 		$26.2M Buy
6,339,535
+1,325,874
+26% +$4.97M 0.43% 47
2025
Q4 		$20.1M Buy
5,013,661
+3,891,177
+347% +$14.1M 0.36% 41
2025
Q3 		$3.84M Buy
+1,122,484
New +$2.89M 0.11% 51

Other funds holding XFOR

Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
BCLSI
Bain Capital Life Sciences Investors Boston, Massachusetts $1.68B AUM 126.09% 1-Year Est. Return
PA
Perceptive Advisors New York $6.66B AUM 360.84% 1-Year Est. Return
SVCM
Saturn V Capital Management Austin, Texas $697M AUM 628.57% 1-Year Est. Return
EAM
Empery Asset Management New York $86.5M AUM
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
KCM
Kalehua Capital Management Dallas, Texas $174M AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
NMC
NEA Management Company Timonium, Maryland $1.59B AUM 234.06% 1-Year Est. Return

Deep Track Capital's XFOR Position: Q2 2026 in Review

Deep Track Capital reduced its X4 Pharmaceuticals (XFOR) stake by 7.3% in Q2 2026, selling an estimated $1.89M and leaving 5,878,757 shares worth $27.5M. The position accounts for 0.4% of the portfolio, ranked #49.

Deep Track Capital first reported a position in XFOR in Q3 2025 and has held it in 4 quarters since. 89 funds tracked by Wall St. Rank hold XFOR as of Q2 2026.

  • Deep Track Capital held 5,878,757 shares of X4 Pharmaceuticals worth $27.5M as of Q2 2026.
  • Deep Track Capital sold 460,778 X4 Pharmaceuticals shares in Q2 2026, an estimated $1.89M.
  • X4 Pharmaceuticals made up 0.4% of Deep Track Capital's portfolio in Q2 2026, its #49 holding.
  • Deep Track Capital first reported a position in X4 Pharmaceuticals in Q3 2025 and has held it in 4 quarters since.
  • 89 funds tracked by Wall St. Rank held X4 Pharmaceuticals as of Q2 2026.

Based on Deep Track Capital's 13F filing for Q2 2026, filed 14 Aug 2026.