Wellington Management Group
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Wellington Management Group’s Assembly Biosciences ASMB Stock Holding History

Wellington Management Group’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
Q2 		– Sell
-26,496
Closed -$735K – 1934
2026
Q1 		$735K Buy
+26,496
New +$756K ﹤0.01% 1727
2021
Q3 		– Sell
-3,881
Closed -$180K – 2146
2021
Q2 		$180K Sell
3,881
-227
-6% -$11.2K ﹤0.01% 2098
2021
Q1 		$227K Sell
4,108
-2,746
-40% -$182K ﹤0.01% 2046
2020
Q4 		$497K Sell
6,854
-98,623
-94% -$11.6M ﹤0.01% 1715
2020
Q3 		$20.8M Sell
105,477
-11,175
-10% -$2.81M ﹤0.01% 947
2020
Q2 		$32.6M Sell
116,652
-3,325
-3% -$776K 0.01% 802
2020
Q1 		$21.4M Sell
119,977
-6,806
-5% -$1.46M 0.01% 860
2019
Q4 		$31.1M Sell
126,783
-37,412
-23% -$6.89M 0.01% 878
2019
Q3 		$19.4M Sell
164,195
-23,408
-12% -$3.54M ﹤0.01% 973
2019
Q2 		$30.4M Sell
187,603
-2,282
-1% -$434K 0.01% 909
2019
Q1 		$44.9M Sell
189,885
-3,153
-2% -$798K 0.01% 776
2018
Q4 		$52.4M Buy
193,038
+22,294
+13% +$6.45M 0.01% 694
2018
Q3 		$76.1M Buy
170,744
+170,136
+27,983% +$79.7M 0.02% 674
2018
Q2 		$286K Sell
608
-1,263
-68% -$668K ﹤0.01% 2144
2018
Q1 		$1.1M Buy
1,871
+1,408
+304% +$873K ﹤0.01% 1882
2017
Q4 		$251K Buy
+463
New +$210K ﹤0.01% 2156

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
PBA
Paradigm Biocapital Advisors New York $5.34B AUM 380.18% 1-Year Est. Return
CC
Commodore Capital New York $1.68B AUM 375.52% 1-Year Est. Return
RCM
RA Capital Management Boston, Massachusetts $11.5B AUM 168.77% 1-Year Est. Return
JT
Jupiter Topco New York $245B AUM
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
PHP
Parkman Healthcare Partners Stamford, Connecticut $977M AUM 110.37% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Point72 Asset Management
Point72 Asset Management Stamford, Connecticut $90.7B AUM 77.13% 1-Year Est. Return

Wellington Management Group's ASMB Position: Q2 2026 in Review

Wellington Management Group sold out of Assembly Biosciences (ASMB) in Q2 2026, closing a stake of 26,496 shares — an estimated $735K sold.

Wellington Management Group first reported a position in ASMB in Q4 2017 and held it in 16 quarters. The position peaked at $76.1M in Q3 2018. 93 funds tracked by Wall St. Rank hold ASMB as of Q2 2026.

  • Wellington Management Group reported no remaining Assembly Biosciences position as of Q2 2026 after selling out during the quarter.
  • Wellington Management Group sold 26,496 Assembly Biosciences shares in Q2 2026, an estimated $735K.
  • Wellington Management Group first reported a position in Assembly Biosciences in Q4 2017 and held it in 16 quarters.
  • Wellington Management Group's Assembly Biosciences position peaked at $76.1M in Q3 2018.
  • 93 funds tracked by Wall St. Rank held Assembly Biosciences as of Q2 2026.

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