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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 		– Sell
-26,577
Closed -$1.61M – 13323
2026
Q1 		$1.47M Buy
+26,577
New +$1.43M ﹤0.01% 6926
2025
Q4 		– Sell
-144,604
Closed -$5.64M – 12254
2025
Q3 		$4.43M Sell
144,604
-44,723
-24% -$1.03M ﹤0.01% 4271
2025
Q2 		$4.2M Buy
189,327
+144,990
+327% +$3.03M ﹤0.01% 4305
2025
Q1 		$824K Buy
44,337
+27,538
+164% +$459K ﹤0.01% 7747
2024
Q4 		$222K Buy
16,799
+5,660
+51% +$137K ﹤0.01% 10482
2024
Q3 		$373K Buy
11,139
+2,918
+35% +$99.7K ﹤0.01% 9130
2024
Q2 		$206K Sell
8,221
-739
-8% -$17.2K ﹤0.01% 10296
2024
Q1 		$202K Sell
8,960
-28,274
-76% -$670K ﹤0.01% 10577
2023
Q4 		$798K Buy
37,234
+4,635
+14% +$79.9K ﹤0.01% 7551
2023
Q3 		$585K Sell
32,599
-8,379
-20% -$160K ﹤0.01% 7863
2023
Q2 		$833K Sell
40,978
-18,112
-31% -$367K ﹤0.01% 7116
2023
Q1 		$1.29M Buy
59,090
+42,760
+262% +$1.04M ﹤0.01% 6178
2022
Q4 		$506K Sell
16,330
-11,204
-41% -$316K ﹤0.01% 7841
2022
Q3 		$702K Buy
+27,534
New +$645K ﹤0.01% 7557
2022
Q2 		– Sell
-14,630
Closed -$324K – 12807
2022
Q1 		$362K Sell
14,630
-8,942
-38% -$271K ﹤0.01% 9790
2021
Q4 		$819K Buy
23,572
+7,260
+45% +$230K ﹤0.01% 7819
2021
Q3 		$442K Sell
16,312
-10,920
-40% -$277K ﹤0.01% 9696
2021
Q2 		$706K Sell
27,232
-1,046
-4% -$25.1K ﹤0.01% 8722
2021
Q1 		$609K Sell
28,278
-27,102
-49% -$684K ﹤0.01% 9019
2020
Q4 		$1.19M Buy
55,380
+38,822
+234% +$943K ﹤0.01% 6309
2020
Q3 		$244K Buy
+16,558
New +$299K ﹤0.01% 9114
2020
Q2 		– Sell
-26,631
Closed -$487K – 10063
2020
Q1 		$376K Buy
+26,631
New +$404K ﹤0.01% 7539
2019
Q4 		– Sell
-13,856
Closed -$328K – 9646
2019
Q3 		$485K Sell
13,856
-8,466
-38% -$403K ﹤0.01% 7369
2019
Q2 		$1.26M Sell
22,322
-194
-0.9% -$14K ﹤0.01% 5156
2019
Q1 		$1.65M Buy
22,516
+113
+0.5% +$7.8K ﹤0.01% 4068
2018
Q4 		$1.43M Sell
22,403
-3,918
-15% -$291K ﹤0.01% 4059
2018
Q3 		$2.63M Sell
26,321
-943
-3% -$78.2K ﹤0.01% 3567
2018
Q2 		$1.94M Sell
27,264
-58,044
-68% -$4.87M ﹤0.01% 4065
2018
Q1 		$8.88M Buy
85,308
+62,939
+281% +$7.09M ﹤0.01% 1900
2017
Q4 		$2.25M Buy
+22,369
New +$1.65M ﹤0.01% 3697

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.