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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 		$4.89M Buy
72,500
+67,100
+1,243% +$4.07M ﹤0.01% 4664
2026
Q1 		$299K Sell
5,400
-299,100
-98% -$16.1M ﹤0.01% 10860
2025
Q4 		$14.8M Buy
304,500
+92,800
+44% +$3.62M ﹤0.01% 2557
2025
Q3 		$6.48M Buy
211,700
+114,600
+118% +$2.63M ﹤0.01% 3682
2025
Q2 		$2.16M Sell
97,100
-40,000
-29% -$837K ﹤0.01% 5635
2025
Q1 		$2.55M Sell
137,100
-216,200
-61% -$3.61M ﹤0.01% 4999
2024
Q4 		$4.68M Buy
353,300
+241,400
+216% +$5.85M ﹤0.01% 3698
2024
Q3 		$3.75M Buy
+111,900
New +$3.82M ﹤0.01% 4127
2023
Q2 		– Sell
-31,200
Closed -$679K – 11992
2023
Q1 		$679K Sell
31,200
-2,800
-8% -$68K ﹤0.01% 7803
2022
Q4 		$1.05M Buy
+34,000
New +$960K ﹤0.01% 6070
2022
Q3 		– Sell
-10,100
Closed -$205K – 13101
2022
Q2 		$205K Buy
+10,100
New +$224K ﹤0.01% 10562
2021
Q4 		– Sell
-10,100
Closed -$274K – 13053
2021
Q3 		$274K Sell
10,100
-14,300
-59% -$363K ﹤0.01% 10792
2021
Q2 		$633K Sell
24,400
-104,100
-81% -$2.5M ﹤0.01% 8988
2021
Q1 		$2.77M Buy
+128,500
New +$3.24M ﹤0.01% 5146
2020
Q4 		– Sell
-10,200
Closed -$150K – 10967
2020
Q3 		$150K Sell
10,200
-1,900
-16% -$34.3K ﹤0.01% 9681
2020
Q2 		$270K Sell
12,100
-30,000
-71% -$548K ﹤0.01% 8534
2020
Q1 		$595K Sell
42,100
-55,500
-57% -$842K ﹤0.01% 6545
2019
Q4 		$1.59M Sell
97,600
-126,600
-56% -$2.99M ﹤0.01% 4697
2019
Q3 		$7.84M Buy
224,200
+116,700
+109% +$5.55M ﹤0.01% 2226
2019
Q2 		$6.07M Buy
107,500
+34,500
+47% +$2.48M ﹤0.01% 2463
2019
Q1 		$5.33M Sell
73,000
-12,600
-15% -$870K ﹤0.01% 2367
2018
Q4 		$5.46M Buy
85,600
+9,500
+12% +$706K ﹤0.01% 2183
2018
Q3 		$7.59M Buy
76,100
+2,600
+4% +$216K ﹤0.01% 2200
2018
Q2 		$5.22M Sell
73,500
-310,200
-81% -$26M ﹤0.01% 2654
2018
Q1 		$39.9M Buy
383,700
+246,800
+180% +$27.8M 0.01% 773
2017
Q4 		$13.8M Buy
+136,900
New +$10.1M ﹤0.01% 1550

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.