Two Sigma Investments’s X4 Pharmaceuticals XFOR Stock Holding History

Two Sigma Investments’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	$90.7K	Buy	19,426 +5,558	+40%	+$22.8K	﹤0.01%	4903
2026 Q1	$57.3K	Sell	13,868 -3,378	-20%	-$12.7K	﹤0.01%	4441
2025 Q4	$69K	Buy	17,246 +3,378	+24%	+$12.3K	﹤0.01%	3895
2025 Q3	$47.4K	Buy	+13,868	New	+$35.8K	﹤0.01%	3547
2023 Q3	–	Sell	-15,751	Closed	-$917K	–	3251
2023 Q2	$917K	Buy	15,751 +15,216	+2,844%	+$782K	﹤0.01%	1993
2023 Q1	$14K	Sell	535 -202	-27%	-$5.92K	﹤0.01%	2875
2022 Q4	$21.9K	Buy	+737	New	+$34.9K	﹤0.01%	2670
2019 Q1	–	Sell	-119	Closed	-$50K	–	3525
2018 Q4	$50K	Sell	119 -79	-40%	-$30.1K	﹤0.01%	2866
2018 Q3	$58K	Buy	+198	New	+$84K	﹤0.01%	3097

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

Two Sigma Investments's XFOR Position: Q2 2026 in Review

Two Sigma Investments increased its X4 Pharmaceuticals (XFOR) stake by 40% in Q2 2026, buying an estimated $22.8K and bringing the position to 19,426 shares worth $90.7K. The position accounts for ﹤0.01% of the portfolio, ranked #4903.

Two Sigma Investments first reported a position in XFOR in Q3 2018 and has held it in 9 quarters since. The position peaked at $917K in Q2 2023. 89 funds tracked by Wall St. Rank hold XFOR as of Q2 2026.

Two Sigma Investments held 19,426 shares of X4 Pharmaceuticals worth $90.7K as of Q2 2026.
Two Sigma Investments bought 5,558 X4 Pharmaceuticals shares in Q2 2026, an estimated $22.8K.
X4 Pharmaceuticals made up ﹤0.01% of Two Sigma Investments's portfolio in Q2 2026, its #4903 holding.
Two Sigma Investments first reported a position in X4 Pharmaceuticals in Q3 2018 and has held it in 9 quarters since.
Two Sigma Investments's X4 Pharmaceuticals position peaked at $917K in Q2 2023.
89 funds tracked by Wall St. Rank held X4 Pharmaceuticals as of Q2 2026.

Based on Two Sigma Investments's 13F filing for Q2 2026, filed 14 Aug 2026.