California State Teachers Retirement System (CalSTRS)’s X4 Pharmaceuticals XFOR Stock Holding History

California State Teachers Retirement System (CalSTRS)’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	$5.2K	Buy	+1,113	New	+$4.57K	﹤0.01%	2535
2025 Q2	–	Sell	-406	Closed	-$2.88K	–	3202
2025 Q1	$2.88K	Hold	406	–	–	﹤0.01%	2988
2024 Q4	$8.93K	Hold	406	–	–	﹤0.01%	2894
2024 Q3	$8.15K	Hold	406	–	–	﹤0.01%	2935
2024 Q2	$7.06K	Sell	406 -14	-3%	-$458	﹤0.01%	2991
2024 Q1	$17.5K	Sell	420 -256	-38%	-$7.12K	﹤0.01%	2773
2023 Q4	$17K	Sell	676 -230	-25%	-$5.59K	﹤0.01%	2933
2023 Q3	$29.6K	Sell	906 -459	-34%	-$20K	﹤0.01%	2899
2023 Q2	$79.5K	Buy	+1,365	New	+$70.1K	﹤0.01%	2728
2021 Q2	–	Sell	-823	Closed	-$213K	–	3258
2021 Q1	$213K	Buy	823 +38	+5%	+$9.99K	﹤0.01%	2869
2020 Q4	$151K	Hold	785	–	–	﹤0.01%	2941
2020 Q3	$159K	Buy	785 +3	+0.4%	+$719	﹤0.01%	2829
2020 Q2	$219K	Hold	782	–	–	﹤0.01%	2670
2020 Q1	$234K	Buy	782 +181	+30%	+$51.4K	﹤0.01%	2473
2019 Q4	$193K	Sell	601 -16	-3%	-$5.74K	﹤0.01%	2797
2019 Q3	$235K	Buy	617 +259	+72%	+$102K	﹤0.01%	2722
2019 Q2	$161K	Buy	358 +319	+818%	+$162K	﹤0.01%	2915
2019 Q1	$21K	Hold	39	–	–	﹤0.01%	2986
2018 Q4	$16K	Hold	39	–	–	﹤0.01%	3018
2018 Q3	$11K	Hold	39	–	–	﹤0.01%	3034
2018 Q2	$26K	Hold	39	–	–	﹤0.01%	3016
2018 Q1	$162K	Buy	+39	New	+$113K	﹤0.01%	2850

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

California State Teachers Retirement System (CalSTRS)'s XFOR Position: Q2 2026 in Review

California State Teachers Retirement System (CalSTRS) opened a new position in X4 Pharmaceuticals (XFOR) in Q2 2026: 1,113 shares worth $5.2K. The stake represents ﹤0.01% of the portfolio and ranks #2535 among its holdings. This is a return to the name: California State Teachers Retirement System (CalSTRS) previously reported a position in XFOR as recently as Q1 2025.

California State Teachers Retirement System (CalSTRS) first reported a position in XFOR in Q1 2018 and has held it in 22 quarters since. The position peaked at $235K in Q3 2019. 89 funds tracked by Wall St. Rank hold XFOR as of Q2 2026.

California State Teachers Retirement System (CalSTRS) held 1,113 shares of X4 Pharmaceuticals worth $5.2K as of Q2 2026.
X4 Pharmaceuticals was a new California State Teachers Retirement System (CalSTRS) position in Q2 2026.
X4 Pharmaceuticals made up ﹤0.01% of California State Teachers Retirement System (CalSTRS)'s portfolio in Q2 2026, its #2535 holding.
California State Teachers Retirement System (CalSTRS) first reported a position in X4 Pharmaceuticals in Q1 2018 and has held it in 22 quarters since.
California State Teachers Retirement System (CalSTRS)'s X4 Pharmaceuticals position peaked at $235K in Q3 2019.
89 funds tracked by Wall St. Rank held X4 Pharmaceuticals as of Q2 2026.

Based on California State Teachers Retirement System (CalSTRS)'s 13F filing for Q2 2026, filed 24 Aug 2026.