Group One Trading
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Group One Trading’s AnaptysBio ANAB Stock Holding History

Group One Trading’s Portfolio ANAB Stock Details ANAB Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$140K Buy
2,074
+1,709
+468% +$104K ﹤0.01% 4580
2026
Q1 		$20.2K Buy
+365
New +$19.6K ﹤0.01% 5959
2021
Q3 		– Sell
-5,920
Closed -$150K – 8120
2021
Q2 		$154K Sell
5,920
-6,500
-52% -$156K ﹤0.01% 5508
2021
Q1 		$268K Sell
12,420
-2,607
-17% -$65.8K ﹤0.01% 4705
2020
Q4 		$323K Buy
15,027
+7,706
+105% +$187K ﹤0.01% 3672
2020
Q3 		$108K Sell
7,321
-2,309
-24% -$41.7K ﹤0.01% 4141
2020
Q2 		$215K Sell
9,630
-2,224
-19% -$40.7K ﹤0.01% 3316
2020
Q1 		$168K Buy
+11,854
New +$180K ﹤0.01% 2893
2019
Q3 		– Sell
-1,413
Closed -$67.2K – 5102
2019
Q2 		$80K Buy
1,413
+1,100
+351% +$79.2K ﹤0.01% 3511
2019
Q1 		$23K Buy
+313
New +$21.6K ﹤0.01% 3953

Other funds holding ANAB

EC
EcoR1 Capital San Francisco, California $2.06B AUM 215.32% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
TCM
Tang Capital Management San Diego, California $2.2B AUM 156.35% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
AAA
Affinity Asset Advisors New York $2.21B AUM 431.26% 1-Year Est. Return
S
Sanofi Paris, France $534M AUM 205.96% 1-Year Est. Return
Millennium Management
Millennium Management New York $276B AUM 44.8% 1-Year Est. Return
WP
Woodline Partners San Francisco, California $32.4B AUM 58.5% 1-Year Est. Return
6CM
683 Capital Management New York $2.04B AUM 94.26% 1-Year Est. Return

Group One Trading's ANAB Position: Q2 2026 in Review

Group One Trading increased its AnaptysBio (ANAB) stake by 468% in Q2 2026, buying an estimated $104K and bringing the position to 2,074 shares worth $140K. The position accounts for ﹤0.01% of the portfolio, ranked #4580.

Group One Trading first reported a position in ANAB in Q1 2019 and has held it in 10 quarters since. The position peaked at $323K in Q4 2020. 213 funds tracked by Wall St. Rank hold ANAB as of Q2 2026.

  • Group One Trading held 2,074 shares of AnaptysBio worth $140K as of Q2 2026.
  • Group One Trading bought 1,709 AnaptysBio shares in Q2 2026, an estimated $104K.
  • AnaptysBio made up ﹤0.01% of Group One Trading's portfolio in Q2 2026, its #4580 holding.
  • Group One Trading first reported a position in AnaptysBio in Q1 2019 and has held it in 10 quarters since.
  • Group One Trading's AnaptysBio position peaked at $323K in Q4 2020.
  • 213 funds tracked by Wall St. Rank held AnaptysBio as of Q2 2026.

Based on Group One Trading's 13F filing for Q2 2026, filed 14 Aug 2026.