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 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 $1.66T AUM 25.57% 1-Year Est. Return

EAM

Empery Asset Management New York $83M AUM

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

BCLSI

Bain Capital Life Sciences Investors Boston, Massachusetts $1.11B AUM 171.34% 1-Year Est. Return

Perceptive Advisors New York $5.12B AUM 314.02% 1-Year Est. Return

SVCM

Saturn V Capital Management Austin, Texas $552M AUM 551.78% 1-Year Est. Return

DTC

Deep Track Capital Greenwich, Connecticut $6.12B AUM 144% 1-Year Est. Return

KCM

Kalehua Capital Management Dallas, Texas $141M AUM

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Braidwell Stamford, Connecticut $3B AUM 46.72% 1-Year Est. Return

Two Sigma Investments's XFOR Position: Q1 2026 in Review

Two Sigma Investments reduced its X4 Pharmaceuticals (XFOR) stake by 20% in Q1 2026, selling an estimated $12.7K and leaving 13,868 shares worth $57.3K. The position accounts for ﹤0.01% of the portfolio, ranked #4441.

Two Sigma Investments first reported a position in XFOR in Q3 2018 and has held it in 8 quarters since. The position peaked at $917K in Q2 2023. 84 funds tracked by Wall St. Rank hold XFOR as of Q1 2026.

Two Sigma Investments held 13,868 shares of X4 Pharmaceuticals worth $57.3K as of Q1 2026.
Two Sigma Investments sold 3,378 X4 Pharmaceuticals shares in Q1 2026, an estimated $12.7K.
X4 Pharmaceuticals made up ﹤0.01% of Two Sigma Investments's portfolio in Q1 2026, its #4441 holding.
Two Sigma Investments first reported a position in X4 Pharmaceuticals in Q3 2018 and has held it in 8 quarters since.
Two Sigma Investments's X4 Pharmaceuticals position peaked at $917K in Q2 2023.
84 funds tracked by Wall St. Rank held X4 Pharmaceuticals as of Q1 2026.

Based on Two Sigma Investments's 13F filing for Q1 2026, filed 15 May 2026.