Two Sigma Investments
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Two Sigma Investments’s Atea Pharmaceuticals AVIR Stock Holding History

Two Sigma Investments’s Portfolio AVIR Stock Details AVIR Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		$10M Buy
1,864,164
+1,118,749
+150% +$5.14M 0.01% 1403
2025
Q4 		$2.66M Buy
745,415
+274,122
+58% +$871K ﹤0.01% 2228
2025
Q3 		$1.37M Buy
471,293
+104,681
+29% +$357K ﹤0.01% 2378
2025
Q2 		$1.32M Buy
366,612
+114,863
+46% +$343K ﹤0.01% 2087
2025
Q1 		$753K Sell
251,749
-34,172
-12% -$107K ﹤0.01% 2327
2024
Q4 		$958K Sell
285,921
-55,840
-16% -$186K ﹤0.01% 2207
2024
Q3 		$1.14M Sell
341,761
-33,314
-9% -$121K ﹤0.01% 2047
2024
Q2 		$1.24M Buy
375,075
+2,825
+0.8% +$10.5K ﹤0.01% 1874
2024
Q1 		$1.5M Buy
372,250
+210,341
+130% +$823K ﹤0.01% 1698
2023
Q4 		$494K Buy
161,909
+107,813
+199% +$327K ﹤0.01% 2467
2023
Q3 		$162K Sell
54,096
-121,084
-69% -$412K ﹤0.01% 2675
2023
Q2 		$655K Buy
+175,180
New +$656K ﹤0.01% 2195
2022
Q4 		– Sell
-98,482
Closed -$560K – 2799
2022
Q3 		$560K Sell
98,482
-12,035
-11% -$92.1K ﹤0.01% 1725
2022
Q2 		$785K Sell
110,517
-491,485
-82% -$3.36M ﹤0.01% 1647
2022
Q1 		$4.35M Sell
602,002
-187,663
-24% -$1.27M 0.01% 984
2021
Q4 		$7.06M Buy
+789,665
New +$12.3M 0.02% 997

Other funds holding AVIR

Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
BCM
BML Capital Management Zionsville, Indiana $156M AUM 129.82% 1-Year Est. Return
TCM
Tang Capital Management San Diego, California $1.97B AUM 125.1% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
BCLSI
Bain Capital Life Sciences Investors Boston, Massachusetts $1.11B AUM 171.34% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $70.5B AUM 36% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

Two Sigma Investments's AVIR Position: Q1 2026 in Review

Two Sigma Investments increased its Atea Pharmaceuticals (AVIR) stake by 150% in Q1 2026, buying an estimated $5.14M and bringing the position to 1,864,164 shares worth $10M. The position accounts for 0.01% of the portfolio, ranked #1403.

Two Sigma Investments first reported a position in AVIR in Q4 2021 and has held it in 16 quarters since. 127 funds tracked by Wall St. Rank hold AVIR as of Q1 2026.

  • Two Sigma Investments held 1,864,164 shares of Atea Pharmaceuticals worth $10M as of Q1 2026.
  • Two Sigma Investments bought 1,118,749 Atea Pharmaceuticals shares in Q1 2026, an estimated $5.14M.
  • Atea Pharmaceuticals made up 0.01% of Two Sigma Investments's portfolio in Q1 2026, its #1403 holding.
  • Two Sigma Investments first reported a position in Atea Pharmaceuticals in Q4 2021 and has held it in 16 quarters since.
  • 127 funds tracked by Wall St. Rank held Atea Pharmaceuticals as of Q1 2026.

Based on Two Sigma Investments's 13F filing for Q1 2026, filed 15 May 2026.