RPID RAPID MICRO BIOSYSTEMS, INC.: institutional ownership and insider trading
39 funds reported holding $33.6M of RAPID MICRO BIOSYSTEMS, INC. in their latest 13F filings; in Q2 2026 funds net bought $2.91M, with 5 new positions and 16 funds selling out; over the last 12 months insiders bought $0 and sold $1.14M on the open market; over its last four quarters it reported revenue of $35.2M and net income of −$51.2M.
RPID revenue and earnings
- Quarter ended Jun 30, 2026: revenue $8.05M, net income −$12.9M, EPS -0.27
- Quarter ended Mar 31, 2026: revenue $8.00M, net income −$14.3M, EPS -0.31
- Quarter ended Dec 31, 2025: revenue $11.3M, net income −$12.5M, EPS -0.26
- Quarter ended Sep 30, 2025: revenue $7.84M, net income −$11.5M, EPS -0.26
Famous investors holding RPID
- Izzy Englander (Millennium Management): $409K, 0.0% of the portfolio
- Renaissance Technologies (Renaissance Technologies): $367K, 0.0% of the portfolio
- Ken Griffin (Citadel Advisors): $27.9K, 0.0% of the portfolio
Largest institutional holders of RPID
- Bain Capital Life Sciences Investors, LLC — $14.6M
- ARMISTICE CAPITAL, LLC — $5.76M
- ABG-WTT Global Life Science Capital Partners GP Ltd — $3.20M
- VANGUARD GROUP INC — $2.84M
- VANGUARD CAPITAL MANAGEMENT LLC — $1.70M
- KHAZANAH NASIONAL BERHAD — $981K
- Evernest Financial Advisors, LLC — $875K
- ADVENT INTERNATIONAL, L.P. — $657K
- MILLENNIUM MANAGEMENT LLC — $409K
- GEODE CAPITAL MANAGEMENT, LLC — $395K
Recent RPID insider trades
- Mar 11, 2026: Wirtjes Sean M sold 7,480 shares ($32.3K)
- Mar 11, 2026: Wilson John J. Addington sold 9,603 shares ($41.5K)
- Mar 10, 2026: Spignesi Robert G. Jr. sold 17,922 shares ($73.7K)
- Feb 20, 2026: Wirtjes Sean M sold 17,254 shares ($67.6K)
5%+ owners
- Bain Capital Life Sciences Fund, L.P.: 16.8% (Schedule 13G/A, filed Aug 14, 2026)
- Longitude Capital Partners II, LLC: 8.6% (Schedule 13G/A, filed May 15, 2026)
- Armistice Capital, LLC: 7.3% (Schedule 13G, filed Aug 14, 2026)
Who owns the most RPID stock?
The largest institutional holders of RAPID MICRO BIOSYSTEMS, INC. in the latest 13F filings are Bain Capital Life Sciences Investors, LLC ($14.6M), ARMISTICE CAPITAL, LLC ($5.76M), ABG-WTT Global Life Science Capital Partners GP Ltd ($3.20M).
Are insiders buying or selling RPID?
Over the last 12 months insiders bought $0 and sold $1.14M of RAPID MICRO BIOSYSTEMS, INC. stock on the open market (SEC Form 4).
Which famous investors own RPID?
Izzy Englander, Renaissance Technologies, Ken Griffin.
What was RPID's revenue last quarter?
RAPID MICRO BIOSYSTEMS, INC. reported revenue of $8.05M for the quarter ended June 30, 2026, with net income of −$12.9M.