Bank of New York Mellon’s Assembly Biosciences ASMB Stock Holding History

Bank of New York Mellon’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	$660K	Buy	+24,015	New	+$654K	﹤0.01%	3603
2024 Q1	–	Sell	-1,322	Closed	-$13K	–	4165
2023 Q4	$13K	Hold	1,322	–	–	﹤0.01%	4258
2023 Q3	$14K	Hold	1,322	–	–	﹤0.01%	4274
2023 Q2	$18.2K	Hold	1,322	–	–	﹤0.01%	4296
2023 Q1	$13.3K	Hold	1,322	–	–	﹤0.01%	4339
2022 Q4	$20.6K	Hold	1,322	–	–	﹤0.01%	4352
2022 Q3	$26K	Hold	1,322	–	–	﹤0.01%	4414
2022 Q2	$33K	Hold	1,322	–	–	﹤0.01%	4432
2022 Q1	$33K	Hold	1,322	–	–	﹤0.01%	4576
2021 Q4	$37K	Hold	1,322	–	–	﹤0.01%	4541
2021 Q3	$55K	Sell	1,322 -594	-31%	-$24.9K	﹤0.01%	4425
2021 Q2	$90K	Sell	1,916 -8,639	-82%	-$428K	﹤0.01%	4239
2021 Q1	$583K	Sell	10,555 -20	-0.2%	-$1.33K	﹤0.01%	3610
2020 Q4	$768K	Sell	10,575 -1,031	-9%	-$121K	﹤0.01%	3402
2020 Q3	$2.29M	Sell	11,606 -106	-0.9%	-$26.7K	﹤0.01%	2590
2020 Q2	$3.28M	Buy	11,712 +938	+9%	+$219K	﹤0.01%	2424
2020 Q1	$1.92M	Buy	10,774 +1,213	+13%	+$260K	﹤0.01%	2567
2019 Q4	$2.35M	Buy	9,561 +1,193	+14%	+$220K	﹤0.01%	2730
2019 Q3	$987K	Sell	8,368 -301	-3%	-$45.5K	﹤0.01%	3189
2019 Q2	$1.4M	Buy	8,669 +1,541	+22%	+$293K	﹤0.01%	3008
2019 Q1	$1.68M	Buy	7,128 +70	+1%	+$17.7K	﹤0.01%	2869
2018 Q4	$1.92M	Buy	7,058 +372	+6%	+$108K	﹤0.01%	2744
2018 Q3	$2.98M	Buy	6,686 +992	+17%	+$465K	﹤0.01%	2642
2018 Q2	$2.68M	Sell	5,694 -59	-1%	-$31.2K	﹤0.01%	2690
2018 Q1	$3.39M	Buy	5,753 +435	+8%	+$270K	﹤0.01%	2536
2017 Q4	$2.89M	Buy	5,318 +1,375	+35%	+$622K	﹤0.01%	2635
2017 Q3	$1.65M	Buy	3,943 +361	+10%	+$111K	﹤0.01%	2943
2017 Q2	$888K	Buy	3,582 +2,570	+254%	+$724K	﹤0.01%	3312
2017 Q1	$310K	Hold	1,012	–	–	﹤0.01%	3740
2016 Q4	$148K	Sell	1,012 -65	-6%	-$9.67K	﹤0.01%	3957
2016 Q3	$93K	Sell	1,077 -184	-15%	-$14.2K	﹤0.01%	4057
2016 Q2	$84K	Sell	1,261 -2,558	-67%	-$168K	﹤0.01%	4093
2016 Q1	$230K	Hold	3,819	–	–	﹤0.01%	3741
2015 Q4	$344K	Hold	3,819	–	–	﹤0.01%	3670
2015 Q3	$438K	Sell	3,819 -239	-6%	-$42K	﹤0.01%	3640
2015 Q2	$938K	Buy	+4,058	New	+$783K	﹤0.01%	3375
2014 Q3	–	Sell	-208	Closed	-$16K	–	4231
2014 Q2	$16K	Hold	208	–	–	﹤0.01%	4138
2014 Q1	$16K	Hold	208	–	–	﹤0.01%	4154
2013 Q4	$48K	Hold	208	–	–	﹤0.01%	4115
2013 Q3	$36K	Hold	208	–	–	﹤0.01%	4078
2013 Q2	$30K	Buy	+208	New	+$32.6K	﹤0.01%	4081

Other funds holding ASMB

Gilead Sciences Foster City, California $1.65B AUM 166.99% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Aberdeen Group Edinburgh, United Kingdom $71.2B AUM 41.74% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

GCP

GSA Capital Partners London, United Kingdom $1.59B AUM 39.81% 1-Year Est. Return

Deutsche Bank Frankfurt Am Main Ge, Germany $344B AUM 42.99% 1-Year Est. Return

PAP

Persistent Asset Partners Hong Kong $335M AUM 275.57% 1-Year Est. Return

Citigroup New York $303B AUM 53.02% 1-Year Est. Return

New York State Common Retirement Fund Albany, New York $79.3B AUM 43.63% 1-Year Est. Return

PFSRSONJ

Police & Firemen's Retirement System of New Jersey Trenton, New Jersey $13.3B AUM 45.46% 1-Year Est. Return

Bank of New York Mellon's ASMB Position: Q2 2026 in Review

Bank of New York Mellon opened a new position in Assembly Biosciences (ASMB) in Q2 2026: 24,015 shares worth $660K. The stake represents ﹤0.01% of the portfolio and ranks #3603 among its holdings. This is a return to the name: Bank of New York Mellon previously reported a position in ASMB as recently as Q4 2023.

Bank of New York Mellon first reported a position in ASMB in Q2 2013 and has held it in 41 quarters since. The position peaked at $3.39M in Q1 2018. 15 funds tracked by Wall St. Rank hold ASMB as of Q2 2026.

Bank of New York Mellon held 24,015 shares of Assembly Biosciences worth $660K as of Q2 2026.
Assembly Biosciences was a new Bank of New York Mellon position in Q2 2026.
Assembly Biosciences made up ﹤0.01% of Bank of New York Mellon's portfolio in Q2 2026, its #3603 holding.
Bank of New York Mellon first reported a position in Assembly Biosciences in Q2 2013 and has held it in 41 quarters since.
Bank of New York Mellon's Assembly Biosciences position peaked at $3.39M in Q1 2018.
15 funds tracked by Wall St. Rank held Assembly Biosciences as of Q2 2026.

Based on Bank of New York Mellon's 13F filing for Q2 2026, filed 6 Aug 2026.