California State Teachers Retirement System (CalSTRS)’s aTyr Pharma ATYR Stock Holding History

California State Teachers Retirement System (CalSTRS)’s Portfolio ATYR Stock Details ATYR Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	–	Sell	-5,190	Closed	-$4.05K	–	3092
2026 Q1	$4.05K	Sell	5,190 -711	-12%	-$600	﹤0.01%	2875
2025 Q4	$4.62K	Buy	5,901 +469	+9%	+$385	﹤0.01%	2970
2025 Q3	$3.92K	Buy	5,432 +4	+0.1%	+$18	﹤0.01%	3003
2025 Q2	$27.5K	Buy	+5,428	New	+$21.4K	﹤0.01%	2409
2016 Q2	–	Sell	-926	Closed	-$51K	–	3044
2016 Q1	$51K	Buy	926 +124	+15%	+$9.43K	﹤0.01%	2946
2015 Q4	$110K	Buy	802 +14	+2%	+$1.99K	﹤0.01%	2954
2015 Q3	$113K	Hold	788	–	–	﹤0.01%	2969
2015 Q2	$204K	Buy	+788	New	+$245K	﹤0.01%	2937

Other funds holding ATYR

Federated Hermes Pittsburgh, Pennsylvania $69.6B AUM 42.52% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

GCP

GSA Capital Partners London, United Kingdom $1.59B AUM 39.81% 1-Year Est. Return

AQR Capital Management Greenwich, Connecticut $287B AUM 42.33% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

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

KCM

Kalehua Capital Management Dallas, Texas $174M AUM

Jane Street New York $1.21T AUM 78.12% 1-Year Est. Return

UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return

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

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

California State Teachers Retirement System (CalSTRS) sold out of aTyr Pharma (ATYR) in Q2 2026, closing a stake of 5,190 shares — an estimated $4.05K sold.

California State Teachers Retirement System (CalSTRS) first reported a position in ATYR in Q2 2015 and held it in 8 quarters. The position peaked at $204K in Q2 2015. 90 funds tracked by Wall St. Rank hold ATYR as of Q2 2026.

California State Teachers Retirement System (CalSTRS) reported no remaining aTyr Pharma position as of Q2 2026 after selling out during the quarter.
California State Teachers Retirement System (CalSTRS) sold 5,190 aTyr Pharma shares in Q2 2026, an estimated $4.05K.
California State Teachers Retirement System (CalSTRS) first reported a position in aTyr Pharma in Q2 2015 and held it in 8 quarters.
California State Teachers Retirement System (CalSTRS)'s aTyr Pharma position peaked at $204K in Q2 2015.
90 funds tracked by Wall St. Rank held aTyr Pharma as of Q2 2026.

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