ASSEMBLY BIOSCIENCES INC (ASMB) is held by 52 institutional investors that disclose positions via SEC 13F filings. The largest disclosed holder is FARALLON CAPITAL MANAGEMENT, L.L.C. as of Q1 2026.

Are institutions buying or selling ASMB?

In Q1 2026, 32 institutions opened or increased positions in ASSEMBLY BIOSCIENCES INC while 18 reduced or exited — a net buying quarter.

What is the Smart Money Verdict on ASMB?

The Smart Money Verdict combines four independent sources (institutional 13F activity, insider trades, activist filings, and congressional trades) into a single assessment for ASSEMBLY BIOSCIENCES INC.

How many hedge funds hold ASMB?

52 institutional investors report holding ASSEMBLY BIOSCIENCES INC (ASMB) as of Q1 2026, based on SEC 13F filings.

Is institutional money flowing into ASMB?

As of Q1 2026, tracked institutions in ASSEMBLY BIOSCIENCES INC show 32 buyers versus 18 sellers — net inflows.

ASSEMBLY BIOSCIENCES INC

ASMB·045396207·US·Common Stock·Healthcare - Biotechnology-Activist

Holders

Avg rating(8 Elite)

$169.4M

Total Value

64% (57)

Fund Consensus

32 buying - 18 selling

Smart Money Verdict

View all

Held by 52 funds

8 elite

Who's Trading

ActivistGSGILEAD SCIENCES, INC.25.1%May 27, 2026

ActivistPBParadigm BioCapital Advisors LP5.4%May 11, 2026

InsiderWSWhite Nicole SSell $5KMar 30, 2026

InsiderWSWhite Nicole SSell $247.41Mar 30, 2026

InsiderBMBjorkquist Jeanette MSell $8KMar 30, 2026

InsiderBMBjorkquist Jeanette MSell $439.84Mar 30, 2026

ActivistFAFarallon Capital Partners, L.P.1.5%Feb 9, 2026

Activist

JANUS HENDERSON GROUP PLC8.2%Dec 8, 2025

ActivistASAlexander Schornstein3.5%Aug 18, 2025

Activist

RA Capital Management, L.P.9.5%Aug 18, 2025

View all insider trades View all activist filings

13F: Mar 31, 2026Insider & Congress: Updated regularly

Fund	Action	Shares	Value	Weight	Est. P&L	Conviction
FARALLON CAPITAL MANAGEMENT, L.L.C.	Unchanged	1.2M	$34.1M	0.2%	+11.25%	0
RA CAPITAL MANAGEMENT, L.P.	Unchanged	1M	$28.3M	0.3%	+11.25%	0
Janus Henderson Group Ltd.	Increased	849,309(+1.4%)	$23.5M	0.0%	+7.71%	29
VAVANGUARD CAPITAL MANAGEMENT LLC	New	490,447	$13.6M	0.0%	-4.86%	39
Point72 Asset Management, L.P.	Decreased	344,105(-42.7%)	$9.5M	0.0%	-3.63%	0
Blackstone Inc.	Decreased	296,855(-6.9%)	$8.2M	0.0%	+11.25%	0
MILLENNIUM MANAGEMENT LLC	Increased	233,650(+137.9%)	$6.5M	0.0%	-7.14%	44
BlackRock, Inc.	Increased	202,743(+5.4%)	$5.6M	0.0%	+24.97%	29
MWMARSHALL WACE, LLP	Increased	163,400(+26.6%)	$4.5M	0.0%	-0.43%	33
AGADAGE CAPITAL PARTNERS GP, L.L.C.	Unchanged	161,000	$4.5M	0.0%	-14.72%	0
GEODE CAPITAL MANAGEMENT, LLC	Increased	132,971(+1.3%)	$3.7M	0.0%	-46.28%	27
Schonfeld Strategic Advisors LLC	Increased	120,500(+122.2%)	$3.3M	0.0%	+1.77%	43
CACaption Management, LLC	Decreased	81,841(-23.2%)	$2.3M	0.0%	-14.72%	0
VFVANGUARD FIDUCIARY TRUST CO	New	71,606	$2M	0.0%	-4.86%	36
Qube Research & Technologies Ltd	Increased	69,256(+64.2%)	$1.9M	0.0%	-7.54%	38
STATE STREET CORP	Increased	56,689(+7.0%)	$1.6M	0.0%	+21.74%	27
JPMORGAN CHASE & CO	Increased	53,962(+12.1%)	$1.4M	0.0%	-13.75%	29
NORTHERN TRUST CORP	Decreased	41,014(-0.5%)	$1.1M	0.0%	-47.07%	0
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	Increased	39,446(+4.3%)	$1.1M	0.0%	-14.35%	26
GOLDMAN SACHS GROUP INC	Increased	36,205(+4.1%)	$1M	0.0%	-3.33%	26