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Buy Day today: Poor (44) Weak market breadth · no major macro event
ACET

Adicet Bio Inc

Healthcare · Biotechnology

2.90$ -2.0% vs. previous close Closing price · As of: Nov 12, 2026

Ownership

Ownership Structure

Who owns Adicet Bio Inc (ACET)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 76.7% of the shares are freely tradable; institutional investors hold 64.3%.

Institutional ownership ?Share of the stock held by institutional investors (funds, banks, insurers) according to regulatory filings. 64.3%
Insiders ?Share of the stock held by the executives, founders and major shareholders of the company itself. 1.1%
Float ?Share of stock freely tradable on the market — not locked up in the hands of founders, insiders, or major shareholders. 76.7%
Short % of float ?Shares sold short as a percentage of the freely tradable float — high values signal many bets on falling prices. 5.6%
Shares Outstanding ?Total number of shares issued. Price times share count gives market cap. 9Mio.

Largest Shareholders

Institutions

Institutions ACET
Name Stake (%) Shares Change (%) Date
RA Capital Management, LLC 9.96 932,624 -21.1 06/30/2026
Orbimed Advisors LLC 9.02 844,787 -17.8 06/30/2026
Franklin Templeton Inc 6.69 626,571 +0.0 06/30/2026
Citadel Advisors Llc 4.62 432,738 +13.3 06/30/2026
Vanguard Capital Management, LLC 3.67 343,228 +2.0 06/30/2026
Adage Capital Partners Gp LLC 2.93 274,375 +0.0 06/30/2026
Renaissance Technologies Corp 2.84 265,945 +14.3 06/30/2026
Stonepine Capital Management Llc 2.62 245,518 +10.6 06/30/2026

Funds

Funds ACET
Name Stake (%) Shares Change (%) Date
Franklin Biotechnology Discv A(acc)USD 5.33 498,920 +24.3 09/30/2026
Vanguard MStar Total Stk Mkt Idx Invest 2.86 267,304 +9.9 09/30/2026

Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.

Data as of: November 12, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)

Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.

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