ACET · Insider trading · 13F holders · Congress trades
Adicet Bio Inc (ACET)
Who is buying and selling ACET: company insiders on SEC Form 4, hedge funds and superinvestors on Form 13F, and members of Congress under the STOCK Act. Every figure links to the filing or page it comes from.
- 13F filers holding
- 4
- Insider buys, 90 days
- $0
- Insider sales, 90 days
- $0
- Congress trades, 12 months
- 0
ACET at a glance
- No open-market insider purchases or sales of ACET were filed in the last 90 days.
- 4 13F filers hold ACET among their 50 largest positions, worth $5.2M combined. The biggest bets by portfolio weight are Stonepine Capital Management, LLC (1.6%), NEXTBio Capital Management LP (0.6%) and Johnson & Johnson (0.0%). In their latest 13Fs, 0 managers opened a new position and 1 added to one.
- No member of Congress has disclosed a trade in ACET.
ACET insider trading
No open-market insider purchases or sales of ACET were filed in the last 90 days.
Who owns ACET? Hedge funds and superinvestors
4 13F filers hold ACET among their 50 largest positions, worth $5.2M combined. The biggest bets by portfolio weight are Stonepine Capital Management, LLC (1.6%), NEXTBio Capital Management LP (0.6%) and Johnson & Johnson (0.0%). In their latest 13Fs, 0 managers opened a new position and 1 added to one.
| Manager | % of portfolio | Value | Shares | Last quarter | 13F |
|---|---|---|---|---|---|
| Stonepine Capital Management, LLCHedge fund | 1.6% | $2.1M | 245,518 | +10.6% shares | Q2 2026 |
| Carlyle Group Inc.Hedge fund | 0.0% | $1.6M | 184,295 | +0.0% shares | Q2 2026 |
| NEXTBio Capital Management LPHedge fund | 0.6% | $1.4M | 157,827 | +0.0% shares | Q2 2026 |
| Johnson & JohnsonCorporation | 0.0% | $163K | 22,779 | +0.0% shares | Q3 2026 |
Each manager counts with its latest 13F (Q3 2026: 1, Q2 2026: 3). Screen ACET in the grand portfolio →
ACET stock trades by members of Congress
No member of Congress has disclosed a trade in ACET.
ACET questions and answers
Are insiders buying ACET stock?
No open-market insider purchases or sales of ACET were filed in the last 90 days.
Which hedge funds own ACET?
4 13F filers hold ACET among their 50 largest positions, worth $5.2M combined. The biggest bets by portfolio weight are Stonepine Capital Management, LLC (1.6%), NEXTBio Capital Management LP (0.6%) and Johnson & Johnson (0.0%). In their latest 13Fs, 0 managers opened a new position and 1 added to one.
Has Congress traded ACET?
No member of Congress has disclosed a trade in ACET.
Who is the largest holder of ACET?
Among 13F filers, Stonepine Capital Management, LLC reports the largest ACET position, $2.1M (245,518 shares) in its Q2 2026 13F. The biggest bet by portfolio weight is Stonepine Capital Management, LLC's: 1.6% of its portfolio.
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