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Jeff Yass’s AnaptysBio ANAB Stock Holding History

Jeff Yass’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 		$1.62M Buy
24,000
+16,400
+216% +$994K ﹤0.01% 6983
2026
Q1 		$421K Sell
7,600
-31,100
-80% -$1.67M ﹤0.01% 10083
2025
Q4 		$1.88M Buy
38,700
+18,500
+92% +$721K ﹤0.01% 5798
2025
Q3 		$619K Sell
20,200
-119,900
-86% -$2.75M ﹤0.01% 8479
2025
Q2 		$3.11M Buy
140,100
+69,300
+98% +$1.45M ﹤0.01% 4886
2025
Q1 		$1.32M Sell
70,800
-222,900
-76% -$3.72M ﹤0.01% 6554
2024
Q4 		$3.89M Buy
293,700
+144,500
+97% +$3.5M ﹤0.01% 4001
2024
Q3 		$5M Buy
+149,200
New +$5.1M ﹤0.01% 3592
2023
Q2 		– Sell
-37,300
Closed -$812K – 11991
2023
Q1 		$812K Sell
37,300
-900
-2% -$21.9K ﹤0.01% 7371
2022
Q4 		$1.18M Sell
38,200
-30,800
-45% -$870K ﹤0.01% 5811
2022
Q3 		$1.76M Buy
69,000
+3,000
+5% +$70.3K ﹤0.01% 5192
2022
Q2 		$1.34M Buy
+66,000
New +$1.46M ﹤0.01% 5816
2022
Q1 		– Sell
-6,000
Closed -$209K – 12915
2021
Q4 		$209K Sell
6,000
-5,100
-46% -$162K ﹤0.01% 11347
2021
Q3 		$301K Buy
11,100
+100
+0.9% +$2.54K ﹤0.01% 10593
2021
Q2 		$285K Sell
11,000
-4,600
-29% -$110K ﹤0.01% 10871
2021
Q1 		$336K Buy
+15,600
New +$394K ﹤0.01% 10365
2020
Q3 		– Sell
-18,300
Closed -$409K – 10492
2020
Q2 		$409K Sell
18,300
-96,400
-84% -$1.76M ﹤0.01% 7782
2020
Q1 		$1.62M Sell
114,700
-17,200
-13% -$261K ﹤0.01% 4355
2019
Q4 		$2.14M Buy
131,900
+80,700
+158% +$1.91M ﹤0.01% 4214
2019
Q3 		$1.79M Sell
51,200
-25,100
-33% -$1.19M ﹤0.01% 4433
2019
Q2 		$4.3M Sell
76,300
-70,600
-48% -$5.08M ﹤0.01% 2916
2019
Q1 		$10.7M Sell
146,900
-28,300
-16% -$1.95M ﹤0.01% 1679
2018
Q4 		$11.2M Sell
175,200
-179,100
-51% -$13.3M ﹤0.01% 1512
2018
Q3 		$35.3M Buy
354,300
+330,500
+1,389% +$27.4M 0.01% 895
2018
Q2 		$1.69M Sell
23,800
-190,100
-89% -$15.9M ﹤0.01% 4312
2018
Q1 		$22.3M Buy
213,900
+151,000
+240% +$17M 0.01% 1143
2017
Q4 		$6.33M Buy
+62,900
New +$4.63M ﹤0.01% 2274

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

Jeff Yass's ANAB Position: Q2 2026 in Review

Jeff Yass sold out of AnaptysBio (ANAB) in Q2 2026, closing a stake of 26,577 shares — an estimated $1.61M sold.

Jeff Yass first reported a position in ANAB in Q4 2017 and held it in 30 quarters. The position peaked at $8.88M in Q1 2018. 211 funds tracked by Wall St. Rank hold ANAB as of Q2 2026.

  • Jeff Yass reported no remaining AnaptysBio position as of Q2 2026 after selling out during the quarter.
  • Jeff Yass sold 26,577 AnaptysBio shares in Q2 2026, an estimated $1.61M.
  • Jeff Yass first reported a position in AnaptysBio in Q4 2017 and held it in 30 quarters.
  • Jeff Yass's AnaptysBio position peaked at $8.88M in Q1 2018.
  • 211 funds tracked by Wall St. Rank held AnaptysBio as of Q2 2026.

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