RPID · Insider trading · 13F holders · Congress trades
Rapid Micro Biosystems Inc A (RPID)
Who is buying and selling RPID: 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
RPID at a glance
- No open-market insider purchases or sales of RPID were filed in the last 90 days.
- 4 13F filers hold RPID among their 50 largest positions, worth $19.7M combined. The biggest bets by portfolio weight are Bain Capital Life Sciences Investors, LLC (0.9%), Khazanah Nasional Berhad (0.1%) and Dupont Capital Management Corp (0.0%). In their latest 13Fs, 1 manager opened a new position and 0 added to one.
- No member of Congress has disclosed a trade in RPID.
RPID insider trading
No open-market insider purchases or sales of RPID were filed in the last 90 days.
Who owns RPID? Hedge funds and superinvestors
4 13F filers hold RPID among their 50 largest positions, worth $19.7M combined. The biggest bets by portfolio weight are Bain Capital Life Sciences Investors, LLC (0.9%), Khazanah Nasional Berhad (0.1%) and Dupont Capital Management Corp (0.0%). In their latest 13Fs, 1 manager opened a new position and 0 added to one.
| Manager | % of portfolio | Value | Shares | Last quarter | 13F |
|---|---|---|---|---|---|
| Bain Capital Life Sciences Investors, LLCAsset manager | 0.9% | $14.6M | 8,434,560 | +0.0% shares | Q2 2026 |
| Dupont Capital Management CorpInstitutional asset manager | 0.0% | $3.5M | 3,370 | New | Q3 2026 |
| Khazanah Nasional BerhadInvestment manager | 0.1% | $981K | 566,905 | — | Q2 2026 |
| Advent International, L.P.Hedge fund | 0.0% | $657K | 379,794 | -31.2% shares | Q2 2026 |
Each manager counts with its latest 13F (Q3 2026: 1, Q2 2026: 3). Screen RPID in the grand portfolio →
RPID stock trades by members of Congress
No member of Congress has disclosed a trade in RPID.
RPID questions and answers
Are insiders buying RPID stock?
No open-market insider purchases or sales of RPID were filed in the last 90 days.
Which hedge funds own RPID?
4 13F filers hold RPID among their 50 largest positions, worth $19.7M combined. The biggest bets by portfolio weight are Bain Capital Life Sciences Investors, LLC (0.9%), Khazanah Nasional Berhad (0.1%) and Dupont Capital Management Corp (0.0%). In their latest 13Fs, 1 manager opened a new position and 0 added to one.
Has Congress traded RPID?
No member of Congress has disclosed a trade in RPID.
Who is the largest holder of RPID?
Among 13F filers, Bain Capital Life Sciences Investors, LLC reports the largest RPID position, $14.6M (8,434,560 shares) in its Q2 2026 13F. The biggest bet by portfolio weight is Bain Capital Life Sciences Investors, LLC's: 0.9% of its portfolio.
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