13FPulse
AS

ASMB ASSEMBLY BIOSCIENCES INC

2026Q2 · CUSIP 045396207 · Sector: Healthcare & Biotech

Piling in

Net holder growth ranks near the top of the market

Funds that own it
91
Institutions that reported holding it to the SEC
Net increase in holders
+18
Last quarter 73 → now 91
How unusual is that
Top 20%
Stronger buying than 81% of US stocks
What the filings say, in one paragraph

91 funds held ASMB at the end of 2026Q2, up 18 from the quarter before. That is stronger buying than 81.4% of US stocks — among the most piled-into names this quarter. ASMB has had 2 buying rushes in its history, and the price moved -27.7% on average over the six months after (that is the raw price move, not how much it beat the market by). It sits in the Healthcare & Biotech sector.

How many funds owned it, quarter by quarter

Bars = net change in institutional holders, positive (green) or negative (red). Line = total institutional holders.

2024Q2: holders=27 2024Q3: holders=30 2024Q4: holders=35 2025Q1: holders=37 2025Q2: holders=34 2025Q3: holders=57 2025Q4: holders=69 2026Q1: holders=73 2026Q2: holders=91 -23 -11.5 +0 +11.5 +23 246096 24Q224Q324Q425Q125Q225Q325Q426Q126Q2 Net change in holders (bars) Total funds holding (line)

What happened after each past buying rush 2 times in its history

Quarter of the rush How unusual then Price, next 3 months Price, next 6 months
2026Q2 Top 20%
2025Q3 Top 20% -28.5% -27.7%

These are the raw price moves, not how much it beat the market by. Compare them against the market over the same months — in a strong bull market almost everything is up.

Show all the numbers (large funds, value held, options…) ▾
Of them, large funds
52
Change in large funds
+9
Total value they hold
$503M
Funds buying for the first time
35
Funds that sold out entirely
17
Price change that quarter
+33.9%
Funds holding puts (bearish)
1
Funds holding calls (bullish)
2

These are for people who want to dig. Skip them if they do not mean anything to you — the three numbers above are enough.

8,697 institutions have filed for this quarter. 13F permits late filing and a small number arrive in the weeks after the deadline, so the holder counts and changes below may tick up.

Email me the next update

2026 Q3 holdings are due 2026-11-16. We will email you when the refreshed lists are live.