Mariner’s X4 Pharmaceuticals XFOR Stock Holding History

Mariner’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	-676	Closed	-$4.79K	–	3714
2025 Q1	$4.79K	Buy	+676	New	+$9.31K	﹤0.01%	3424

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 Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

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 Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return

Jane Street New York $777B AUM 61.18% 1-Year Est. Return

Bank of America Charlotte, North Carolina $1.37T AUM 24.88% 1-Year Est. Return

Mariner's XFOR Position: Q2 2025 in Review

Mariner sold out of X4 Pharmaceuticals (XFOR) in Q2 2025, closing a stake of 676 shares — an estimated $4.79K sold.

Mariner first reported a position in XFOR in Q1 2025 and held it in 1 quarter. The position peaked at $4.79K in Q1 2025. 51 funds tracked by Wall St. Rank hold XFOR as of Q2 2025.

Mariner reported no remaining X4 Pharmaceuticals position as of Q2 2025 after selling out during the quarter.
Mariner sold 676 X4 Pharmaceuticals shares in Q2 2025, an estimated $4.79K.
Mariner first reported a position in X4 Pharmaceuticals in Q1 2025 and held it in 1 quarter.
Mariner's X4 Pharmaceuticals position peaked at $4.79K in Q1 2025.
51 funds tracked by Wall St. Rank held X4 Pharmaceuticals as of Q2 2025.

Based on Mariner's 13F filing for Q2 2025, filed 14 Aug 2025.