Group One Trading
ATYR icon

Group One Trading’s aTyr Pharma ATYR Stock Holding History

Group One 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
Q3 		$27.1K Sell
2,237
-1,235
-36% -$24K ﹤0.01% 5668
2026
Q2 		$82.9K Sell
3,472
-1,128
-25% -$29.5K ﹤0.01% 5007
2026
Q1 		$144K Sell
4,600
-176
-4% -$5.94K ﹤0.01% 4404
2025
Q4 		$150K Buy
4,776
+4,345
+1,008% +$143K ﹤0.01% 4636
2025
Q3 		$12.4K Sell
431
-1,338
-76% -$243K ﹤0.01% 7040
2025
Q2 		$359K Sell
1,769
-473
-21% -$74.4K ﹤0.01% 3751
2025
Q1 		$271K Buy
2,242
+2,061
+1,139% +$301K ﹤0.01% 3713
2024
Q4 		$26.2K Buy
+181
New +$21.9K ﹤0.01% 5520
2022
Q4 		– Sell
-362
Closed -$34.1K – 8233
2022
Q3 		$43K Buy
362
+221
+157% +$29.6K ﹤0.01% 5529
2022
Q2 		$16K Buy
+141
New +$20.4K ﹤0.01% 6478
2021
Q4 		– Sell
-51
Closed -$17K – 8949
2021
Q3 		$18K Buy
51
+50
+5,000% +$12K ﹤0.01% 7244
2021
Q2 		$0 Hold
1
– – ﹤0.01% 8649
2021
Q1 		$0 Hold
1
– – ﹤0.01% 8106
2020
Q4 		$0 Hold
1
– – ﹤0.01% 7087
2020
Q3 		$0 Hold
1
– – ﹤0.01% 6614
2020
Q2 		$0 Hold
1
– – ﹤0.01% 6265
2020
Q1 		$0 Hold
1
– – ﹤0.01% 5827
2019
Q4 		$0 Hold
1
– – ﹤0.01% 5710
2019
Q3 		$0 Hold
1
– – ﹤0.01% 5631
2019
Q2 		$0 Buy
+1
New +$272 ﹤0.01% 5465
2019
Q1 		– Hold
0
– – – 5456
2018
Q4 		– Hold
0
– – – 5498
2018
Q3 		– Hold
0
– – – 5677
2018
Q2 		– Hold
0
– – – 5546

Other funds holding ATYR

Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.32T AUM 44.66% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.92T AUM 36.1% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $765B AUM 28.39% 1-Year Est. Return
Squarepoint
Squarepoint New York $90.8B AUM 26.98% 1-Year Est. Return
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $85.7B AUM 51.02% 1-Year Est. Return
StoneX Group
StoneX Group New York $2.75B AUM 24.13% 1-Year Est. Return
LPL Financial
LPL Financial San Diego, California $468B AUM 17.69% 1-Year Est. Return
Bank of Montreal
Bank of Montreal Toronto, Ontario, Canada $313B AUM 26.62% 1-Year Est. Return
Kingswood Wealth Advisors
Kingswood Wealth Advisors San Diego, California $2.6B AUM 27.46% 1-Year Est. Return
Alpha Wealth Funds
Alpha Wealth Funds Park City, Utah $167M AUM 5.57% 1-Year Est. Return

Group One Trading's ATYR Position: Q3 2026 in Review

Group One Trading reduced its aTyr Pharma (ATYR) stake by 36% in Q3 2026, selling an estimated $24K and leaving 2,237 shares worth $27.1K. The position accounts for ﹤0.01% of the portfolio, ranked #5668.

Group One Trading first reported a position in ATYR in Q2 2019 and has held it in 20 quarters since. The position peaked at $359K in Q2 2025. 31 funds tracked by Wall St. Rank hold ATYR as of Q3 2026.

  • Group One Trading held 2,237 shares of aTyr Pharma worth $27.1K as of Q3 2026.
  • Group One Trading sold 1,235 aTyr Pharma shares in Q3 2026, an estimated $24K.
  • aTyr Pharma made up ﹤0.01% of Group One Trading's portfolio in Q3 2026, its #5668 holding.
  • Group One Trading first reported a position in aTyr Pharma in Q2 2019 and has held it in 20 quarters since.
  • Group One Trading's aTyr Pharma position peaked at $359K in Q2 2025.
  • 31 funds tracked by Wall St. Rank held aTyr Pharma as of Q3 2026.

Based on Group One Trading's 13F filing for Q3 2026, filed 10 Nov 2026.