Citadel Advisors’s AnaptysBio ANAB Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$427K Sell
7,700
-17,500
-69% -$942K ﹤0.01% 9681
2025
Q4
$1.22M Sell
25,200
-7,800
-24% -$304K ﹤0.01% 6962
2025
Q3
$1.01M Sell
33,000
-11,600
-26% -$266K ﹤0.01% 7523
2025
Q2
$990K Buy
44,600
+16,300
+58% +$341K ﹤0.01% 7113
2025
Q1
$526K Sell
28,300
-70,700
-71% -$1.18M ﹤0.01% 8359
2024
Q4
$1.31M Buy
99,000
+59,300
+149% +$1.44M ﹤0.01% 6485
2024
Q3
$1.33M Buy
39,700
+33,500
+540% +$1.14M ﹤0.01% 6282
2024
Q2
$155K Buy
6,200
+3,000
+94% +$69.9K ﹤0.01% 10300
2024
Q1
$72.1K Buy
3,200
+200
+7% +$4.74K ﹤0.01% 11786
2023
Q4
$64.3K Buy
3,000
+2,000
+200% +$34.5K ﹤0.01% 11504
2023
Q3
$18K Sell
1,000
-1,100
-52% -$21K ﹤0.01% 12702
2023
Q2
$42.7K Buy
2,100
+1,700
+425% +$34.5K ﹤0.01% 11995
2023
Q1
$8.7K Sell
400
-100
-20% -$2.43K ﹤0.01% 13640
2022
Q4
$15.5K Sell
500
-138,100
-100% -$3.9M ﹤0.01% 13323
2022
Q3
$3.54M Sell
138,600
-7,100
-5% -$166K ﹤0.01% 4483
2022
Q2
$2.96M Buy
145,700
+136,100
+1,418% +$3.01M ﹤0.01% 4779
2022
Q1
$238K Buy
9,600
+1,800
+23% +$54.5K ﹤0.01% 11117
2021
Q4
$271K Sell
7,800
-1,900
-20% -$60.3K ﹤0.01% 11133
2021
Q3
$263K Sell
9,700
-12,700
-57% -$322K ﹤0.01% 11350
2021
Q2
$581K Sell
22,400
-4,100
-15% -$98.3K ﹤0.01% 9712
2021
Q1
$571K Buy
+26,500
New +$669K ﹤0.01% 9390
2020
Q2
Sell
-10,800
Closed -$153K 9715
2020
Q1
$153K Sell
10,800
-12,300
-53% -$187K ﹤0.01% 8274
2019
Q4
$375K Sell
23,100
-18,200
-44% -$430K ﹤0.01% 7250
2019
Q3
$1.45M Buy
41,300
+30,400
+279% +$1.45M ﹤0.01% 4985
2019
Q2
$615K Sell
10,900
-1,900
-15% -$137K ﹤0.01% 6491
2019
Q1
$935K Buy
12,800
+8,100
+172% +$559K ﹤0.01% 5712
2018
Q4
$300K Sell
4,700
-171,100
-97% -$12.7M ﹤0.01% 7271
2018
Q3
$17.5M Buy
175,800
+161,000
+1,088% +$13.4M 0.01% 1516
2018
Q2
$1.05M Sell
14,800
-26,900
-65% -$2.26M ﹤0.01% 5134
2018
Q1
$4.34M Buy
41,700
+37,100
+807% +$4.18M ﹤0.01% 2620
2017
Q4
$463K Buy
+4,600
New +$339K ﹤0.01% 5771

Other funds holding ANAB

Citadel Advisors's ANAB Position: Q1 2026 in Review

Citadel Advisors increased its AnaptysBio (ANAB) stake by 113% in Q1 2026, buying an estimated $6.67M and bringing the position to 233,450 shares worth $12.9M. The position accounts for ﹤0.01% of the portfolio, ranked #2880.

Citadel Advisors first reported a position in ANAB in Q3 2017 and has held it in 32 quarters since. The position peaked at $64.8M in Q3 2018. 207 funds tracked by Wall St. Rank hold ANAB as of Q1 2026.

  • Citadel Advisors held 233,450 shares of AnaptysBio worth $12.9M as of Q1 2026.
  • Citadel Advisors bought 123,967 AnaptysBio shares in Q1 2026, an estimated $6.67M.
  • AnaptysBio made up ﹤0.01% of Citadel Advisors's portfolio in Q1 2026, its #2880 holding.
  • Citadel Advisors first reported a position in AnaptysBio in Q3 2017 and has held it in 32 quarters since.
  • Citadel Advisors's AnaptysBio position peaked at $64.8M in Q3 2018.
  • 207 funds tracked by Wall St. Rank held AnaptysBio as of Q1 2026.

Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.