Acadian Asset Management
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Acadian Asset Management’s Assembly Biosciences ASMB Stock Holding History

Acadian Asset Management’s Portfolio ASMB Stock Details ASMB Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q1 		– Sell
-12,446
Closed -$422K – 2017
2025
Q4 		$422K Sell
12,446
-10,844
-47% -$349K ﹤0.01% 1352
2025
Q3 		$595K Buy
23,290
+2,869
+14% +$62.9K ﹤0.01% 1175
2025
Q2 		$369K Sell
20,421
-2,606
-11% -$34.4K ﹤0.01% 1200
2025
Q1 		$219K Buy
23,027
+6,823
+42% +$89.2K ﹤0.01% 1242
2024
Q4 		$255K Buy
16,204
+2,646
+20% +$42.6K ﹤0.01% 1215
2024
Q3 		$203K Hold
13,558
– – ﹤0.01% 1353
2024
Q2 		$184K Buy
13,558
+7,690
+131% +$110K ﹤0.01% 1441
2024
Q1 		$78K Hold
5,868
– – ﹤0.01% 1322
2023
Q4 		$57K Sell
5,868
-1,088
-16% -$10.3K ﹤0.01% 1444
2023
Q3 		$73K Sell
6,956
-2,532
-27% -$30.5K ﹤0.01% 1362
2023
Q2 		$130K Sell
9,488
-3,641
-28% -$44.7K ﹤0.01% 1354
2023
Q1 		$132K Sell
13,129
-8,296
-39% -$140K ﹤0.01% 1339
2022
Q4 		$332K Sell
21,425
-2,721
-11% -$46.5K ﹤0.01% 1148
2022
Q3 		$474K Sell
24,146
-22,500
-48% -$544K ﹤0.01% 1002
2022
Q2 		$1.18M Sell
46,646
-30,638
-40% -$705K 0.01% 780
2022
Q1 		$1.91M Sell
77,284
-56,779
-42% -$1.22M 0.01% 679
2021
Q4 		$3.75M Buy
134,063
+16,336
+14% +$536K 0.01% 524
2021
Q3 		$4.91M Sell
117,727
-12,844
-10% -$538K 0.02% 450
2021
Q2 		$6.08M Buy
130,571
+41,527
+47% +$2.06M 0.02% 422
2021
Q1 		$4.92M Buy
89,044
+31,809
+56% +$2.11M 0.02% 484
2020
Q4 		$4.15M Buy
57,235
+54,232
+1,806% +$6.36M 0.02% 549
2020
Q3 		$593K Buy
+3,003
New +$756K ﹤0.01% 1079
2018
Q4 		– Sell
-80
Closed -$36K – 1714
2018
Q3 		$36K Hold
80
– – ﹤0.01% 1428
2018
Q2 		$38K Buy
80
+26
+48% +$13.7K ﹤0.01% 1446
2018
Q1 		$32K Sell
54
-62
-53% -$38.4K ﹤0.01% 1431
2017
Q4 		$63K Sell
116
-2,186
-95% -$990K ﹤0.01% 1190
2017
Q3 		$965K Buy
2,302
+941
+69% +$288K ﹤0.01% 689
2017
Q2 		$338K Buy
1,361
+501
+58% +$141K ﹤0.01% 886
2017
Q1 		$263K Buy
860
+506
+143% +$124K ﹤0.01% 1000
2016
Q4 		$52K Buy
+354
New +$52.7K ﹤0.01% 1176

Other funds holding ASMB

GS
Gilead Sciences Foster City, California $1.65B AUM 166.99% 1-Year Est. Return
FCM
Farallon Capital Management San Francisco, California $21.7B AUM 79.24% 1-Year Est. Return
RCM
RA Capital Management Boston, Massachusetts $11.5B AUM 168.77% 1-Year Est. Return
CC
Commodore Capital New York $1.68B AUM 375.52% 1-Year Est. Return
Janus Henderson Group
Janus Henderson Group London $209B AUM 37.72% 1-Year Est. Return
PBA
Paradigm Biocapital Advisors New York $5.34B AUM 380.18% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
PHP
Parkman Healthcare Partners Stamford, Connecticut $977M AUM 110.37% 1-Year Est. Return
Point72 Asset Management
Point72 Asset Management Stamford, Connecticut $90.7B AUM 77.13% 1-Year Est. Return
Blackstone Inc
Blackstone Inc New York $32.9B AUM 23.66% 1-Year Est. Return

Acadian Asset Management's ASMB Position: Q1 2026 in Review

Acadian Asset Management sold out of Assembly Biosciences (ASMB) in Q1 2026, closing a stake of 12,446 shares — an estimated $422K sold.

Acadian Asset Management first reported a position in ASMB in Q4 2016 and held it in 30 quarters. The position peaked at $6.08M in Q2 2021. 75 funds tracked by Wall St. Rank hold ASMB as of Q1 2026.

  • Acadian Asset Management reported no remaining Assembly Biosciences position as of Q1 2026 after selling out during the quarter.
  • Acadian Asset Management sold 12,446 Assembly Biosciences shares in Q1 2026, an estimated $422K.
  • Acadian Asset Management first reported a position in Assembly Biosciences in Q4 2016 and held it in 30 quarters.
  • Acadian Asset Management's Assembly Biosciences position peaked at $6.08M in Q2 2021.
  • 75 funds tracked by Wall St. Rank held Assembly Biosciences as of Q1 2026.

Based on Acadian Asset Management's 13F filing for Q1 2026, filed 13 May 2026.