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Public ownership evidence

Rapid Micro Biosystems, Inc. Class A Common Stock (RPID) Ownership Disclosures

Read RPID insider transactions, institutional 13F filings and Congressional disclosures with report dates, public availability and original receipts.

As of 2026-11-07T14:03:26.246Z

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Recent Form 4 activity

No matching purchases, sales or awards were returned in this 90-day public filing window.

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90-day public availability window, up to 50 records.

Recent institutional filing receipts

These are raw ticker-matched positions in recent 13F receipts, including amendments. They are not deduplicated current ownership totals. Open the manager profile to inspect its effective filing book.

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SEI INVESTMENTS CO2026-06-302026-08-1566,869$115,683None
XTX Topco Ltd2026-06-302026-08-1579,727$137,928None
OSAIC HOLDINGS, INC.2026-06-302026-08-1514,300$24,739None
JANE STREET GROUP, LLC2026-06-302026-08-154,385$7,586None
JANE STREET GROUP, LLC2026-06-302026-08-1521,546$37,275None
HRT FINANCIAL LP2026-06-302026-08-1523,093$39,000None
ARMISTICE CAPITAL, LLC2026-06-302026-08-153,328,000$5,757,440None
NANO CAP NEW MILLENNIUM GROWTH FUND L P2026-06-302026-08-1512,500$21,625None
MILLENNIUM MANAGEMENT LLC2026-06-302026-08-15236,599$409,316None
Advent International, L.P.2026-06-302026-08-15379,794$657,044None
ABG-WTT Global Life Science Capital Partners GP Ltd2026-06-302026-08-151,848,296$3,197,552None
Bain Capital Life Sciences Investors, LLC2026-06-302026-08-158,434,560$14,591,789None
CITADEL ADVISORS LLC2026-06-302026-08-1516,142$27,926None
Larson Financial Group LLC2026-06-302026-08-158,395$14,523None
BARCLAYS PLC2026-06-302026-08-15337$583None
VANGUARD CAPITAL MANAGEMENT LLC2026-06-302026-08-14982,034$1,698,919None
Vanguard Global Advisers, LLC2026-06-302026-08-1411,630$20,120None
UBS Group AG2026-06-302026-08-146,607$11,430None
ALGERT GLOBAL LLC2026-06-302026-08-1438,307$66,271None
RENAISSANCE TECHNOLOGIES LLC2026-06-302026-08-14212,101$366,935None
VANGUARD FIDUCIARY TRUST CO2026-06-302026-08-14110,484$191,137None
MORGAN STANLEY2026-06-302026-08-1427,587$47,726None
NORTHERN TRUST CORP2026-06-302026-08-1442,106$72,843None
GEODE CAPITAL MANAGEMENT, LLC2026-06-302026-08-1343,813$75,796None
GEODE CAPITAL MANAGEMENT, LLC2026-06-302026-08-13184,228$318,910None
AMERICAN CENTURY COMPANIES INC2026-06-302026-08-1311,638$20,134None
JPMORGAN CHASE & CO2026-06-302026-08-13109$189None
Tower Research Capital LLC (TRC)2026-06-302026-08-121,900$3,287None
ALGERT GLOBAL LLC2026-03-312026-08-1223,181$52,621None
DIMENSIONAL FUND ADVISORS LP2026-06-302026-08-1221,549$37,280None
DIMENSIONAL FUND ADVISORS LP2026-06-302026-08-122,975$5,147None
DIMENSIONAL FUND ADVISORS LP2026-06-302026-08-1279,668$137,826None

90-day public filing window, up to 50 source positions.

SEI INVESTMENTS CO ↗XTX Topco Ltd ↗OSAIC HOLDINGS, INC. ↗JANE STREET GROUP, LLC ↗JANE STREET GROUP, LLC ↗HRT FINANCIAL LP ↗ARMISTICE CAPITAL, LLC ↗NANO CAP NEW MILLENNIUM GROWTH FUND L P ↗MILLENNIUM MANAGEMENT LLC ↗Advent International, L.P. ↗

Recent Congressional disclosures

No matching Congressional transactions were returned in this source preview.

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Bounded public source preview, up to 25 disclosed events.

How to read the disclosure dates

The tables report different things: insider transactions, institutional positions and Congressional transaction ranges. Read each table with its source dates and units. They cannot be added into a combined ownership percentage.

  1. Company insiders

    SEC Form 4 purchases, sales and awards report transactions and their public filing availability.

  2. Institutional managers

    13F reports disclose delayed quarter-end positions. They are not a record of trades between quarters.

  3. Congressional filers

    Periodic transaction reports disclose transaction dates and amount brackets. Public filing dates determine what researchers could know.

Institutional source directory ↗Congressional source directory ↗

Read the transaction codes

Awards use transaction code A, purchases P and sales S. An acquisition from an award is not the same as an open-market purchase. Joint filers may share a transaction. Use original receipts and availability dates to interpret the events.