13FPulse
AB

ABVX ABIVAX SA-ADR

2026Q2 · CUSIP 00370M103 · Sector: Healthcare & Biotech

Piling in

Net holder growth ranks near the top of the market

Funds that own it
299
Institutions that reported holding it to the SEC
Net increase in holders
+49
Last quarter 250 → now 299
How unusual is that
Top 10%
Stronger buying than 94% of US stocks
What the filings say, in one paragraph

299 funds held ABVX at the end of 2026Q2, up 49 from the quarter before. That is stronger buying than 94.4% of US stocks — among the most piled-into names this quarter. ABVX has had 3 buying rushes in its history, and the price moved +5.5% 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.

2024Q1: holders=36 2024Q2: holders=38 2024Q3: holders=40 2024Q4: holders=48 2025Q1: holders=45 2025Q2: holders=43 2025Q3: holders=165 2025Q4: holders=244 2026Q1: holders=250 2026Q2: holders=299 -122 -61 +0 +61 +122 32173314 24Q124Q224Q324Q425Q125Q225Q325Q426Q126Q2 Net change in holders (bars) Total funds holding (line)

What happened after each past buying rush 3 times in its history

Quarter of the rush How unusual then Price, next 3 months Price, next 6 months
2026Q2 Top 10%
2025Q4 Top 10% -7.9%
2025Q3 Top 1% in the market +14.6% +5.5%

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
112
Change in large funds
+24
Total value they hold
$7.2B
Funds buying for the first time
94
Funds that sold out entirely
45
Price change that quarter
-2.2%
Funds holding puts (bearish)
25
Funds holding calls (bullish)
38

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.

Fundamentals

PE (TTM)
EPS (TTM)
$-5.53
EPS YoY
Revenue (TTM)
Revenue YoY
Net margin
ROE
Debt ratio
FCF (TTM)
Dividend (TTM)
No dividend

As of 2025-12-31 · SEC filings (XBRL)

Email me the next update

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