Simplex Trading

Simplex Trading’s aTyr Pharma ATYR Stock Holding History

Simplex Trading’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 Q1	$1.04K	Sell	1,335 -24,892	-95%	-$21K	﹤0.01%	8586
2025 Q4	$20.5K	Buy	+26,227	New	+$21.5K	﹤0.01%	6454
2025 Q3	–	Sell	-9,203	Closed	-$41.7K	–	11390
2025 Q2	$46K	Sell	9,203 -87,649	-90%	-$345K	﹤0.01%	6014
2025 Q1	$292K	Buy	96,852 +83,691	+636%	+$305K	0.01%	3942
2024 Q4	$47K	Buy	13,161 +12,371	+1,566%	+$37.5K	﹤0.01%	5953
2024 Q3	$1K	Sell	790 -1,074	-58%	-$1.95K	﹤0.01%	8316
2024 Q2	$2K	Sell	1,864 -4,157	-69%	-$7.23K	﹤0.01%	8380
2024 Q1	$11K	Buy	+6,021	New	+$10.5K	﹤0.01%	7573
2023 Q4	–	Sell	-9,032	Closed	-$11.6K	–	11184
2023 Q3	$14K	Buy	+9,032	New	+$16.7K	﹤0.01%	6957
2023 Q2	–	Hold	0	–	–	–	11352
2023 Q1	–	Sell	-12,214	Closed	-$26.8K	–	11484
2022 Q4	$26K	Buy	+12,214	New	+$28.8K	﹤0.01%	6626
2022 Q3	–	Hold	0	–	–	–	12126
2022 Q2	–	Hold	0	–	–	–	12270
2022 Q1	–	Hold	0	–	–	–	12385
2021 Q4	–	Hold	0	–	–	–	12360
2021 Q3	–	Hold	0	–	–	–	11010
2021 Q2	–	Hold	0	–	–	–	11495
2019 Q1	–	Sell	-21	Closed	–	–	8653
2018 Q4	$0	Buy	+21	New	+$176	﹤0.01%	8521

Other funds holding ATYR

Fidelity Investments

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

Federated Hermes

Federated Hermes Pittsburgh, Pennsylvania $61.5B AUM 30.7% 1-Year Est. Return

BlackRock New York $5.7T AUM 30.48% 1-Year Est. Return

UBS Group Zurich, Switzerland $564B AUM 30.12% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Geode Capital Management

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

GSA Capital Partners London, United Kingdom $1.61B AUM 28.28% 1-Year Est. Return

Millennium Management

Millennium Management New York $134B AUM 35.51% 1-Year Est. Return

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return