Blackstone Inc’s X4 Pharmaceuticals XFOR Stock Holding History

Blackstone Inc’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	$12.5M	Hold	2,681,922	–	–	0.04%	88
2026 Q1	$11.1M	Hold	2,681,922	–	–	0.04%	80
2025 Q4	$10.7M	Buy	+2,681,922	New	+$9.74M	0.04%	95

Other funds holding XFOR

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

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

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

DTC

Deep Track Capital Greenwich, Connecticut $6.87B AUM 205.24% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

KCM

Kalehua Capital Management Dallas, Texas $174M AUM

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Blackstone Inc's XFOR Position: Q2 2026 in Review

Blackstone Inc held its X4 Pharmaceuticals (XFOR) position steady in Q2 2026 at 2,681,922 shares worth $12.5M. The position accounts for 0.04% of the portfolio, ranked #88.

Blackstone Inc first reported a position in XFOR in Q4 2025 and has held it in 3 quarters since. 89 funds tracked by Wall St. Rank hold XFOR as of Q2 2026.

Blackstone Inc held 2,681,922 shares of X4 Pharmaceuticals worth $12.5M as of Q2 2026.
Blackstone Inc left its X4 Pharmaceuticals share count unchanged in Q2 2026.
X4 Pharmaceuticals made up 0.04% of Blackstone Inc's portfolio in Q2 2026, its #88 holding.
Blackstone Inc first reported a position in X4 Pharmaceuticals in Q4 2025 and has held it in 3 quarters since.
89 funds tracked by Wall St. Rank held X4 Pharmaceuticals as of Q2 2026.

Based on Blackstone Inc's 13F filing for Q2 2026, filed 14 Aug 2026.