Russell Investments Group’s X4 Pharmaceuticals XFOR Stock Holding History

Russell Investments Group’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	$33.5K	Buy	7,178 +6,449	+885%	+$26.5K	﹤0.01%	3713
2026 Q1	$3.01K	Hold	729	–	–	﹤0.01%	3963
2025 Q4	$2.92K	Hold	729	–	–	﹤0.01%	3973
2025 Q3	$2.49K	Sell	729 -8,998	-93%	-$23.2K	﹤0.01%	3982
2025 Q2	$18.5K	Buy	+9,727	New	+$39.8K	﹤0.01%	3209
2024 Q3	–	Sell	-63	Closed	-$1.1K	–	3810
2024 Q2	$1.1K	Buy	+63	New	+$2.06K	﹤0.01%	3422
2021 Q2	–	Sell	-226	Closed	-$58K	–	3303
2021 Q1	$58K	Hold	226	–	–	﹤0.01%	3025
2020 Q4	$43K	Sell	226 -671	-75%	-$132K	﹤0.01%	2939
2020 Q3	$182K	Buy	+897	New	+$215K	﹤0.01%	2805
2019 Q4	–	Sell	-350	Closed	-$133K	–	3144
2019 Q3	$133K	Buy	+350	New	+$139K	﹤0.01%	2757

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

Russell Investments Group's XFOR Position: Q2 2026 in Review

Russell Investments Group increased its X4 Pharmaceuticals (XFOR) stake by 885% in Q2 2026, buying an estimated $26.5K and bringing the position to 7,178 shares worth $33.5K. The position accounts for ﹤0.01% of the portfolio, ranked #3713.

Russell Investments Group first reported a position in XFOR in Q3 2019 and has held it in 10 quarters since. The position peaked at $182K in Q3 2020. 89 funds tracked by Wall St. Rank hold XFOR as of Q2 2026.

Russell Investments Group held 7,178 shares of X4 Pharmaceuticals worth $33.5K as of Q2 2026.
Russell Investments Group bought 6,449 X4 Pharmaceuticals shares in Q2 2026, an estimated $26.5K.
X4 Pharmaceuticals made up ﹤0.01% of Russell Investments Group's portfolio in Q2 2026, its #3713 holding.
Russell Investments Group first reported a position in X4 Pharmaceuticals in Q3 2019 and has held it in 10 quarters since.
Russell Investments Group's X4 Pharmaceuticals position peaked at $182K in Q3 2020.
89 funds tracked by Wall St. Rank held X4 Pharmaceuticals as of Q2 2026.

Based on Russell Investments Group's 13F filing for Q2 2026, filed 6 Aug 2026.