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 2026-10-10T12:08:28.848Z

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Recent institutional filing receipts

Rapid Micro Biosystems, Inc. Class A Common Stock: source evidence dated 2026-10-10T12:08:28.848Z.

Manager
SEI INVESTMENTS CO
Report period
2026-06-30
Available
2026-08-15
Reported shares
66,869
Value (USD)
$115,683
Option
None
What you should see

The displayed owner or issuer and source fields identify the receipt to verify; keep reporting and availability dates separate.

Step 2 of 3

Is this an insider transaction, 13F holding, or Congressional event?

Each source has different dates and units. Raw ticker-matched receipts, including amendments, are not deduplicated current ownership totals.

13F 0002048251-26-006553
What you should see

Follow the source receipt or manager/member profile. Avoid combining transaction value and 13F position value into an ownership percentage.

Step 3 of 3

Read RPID fundamentals

Follow the source receipt or manager/member profile. Avoid combining transaction value and 13F position value into an ownership percentage.

Read RPID fundamentals
What you should see

Keep reporting dates and units beside the answer, and inspect its original citations.

Recent Form 4 activity

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

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No records are available for this view.

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

Recent institutional filing receipts

See the complete 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
BlackRock, Inc.2026-06-302026-08-0870,181$121,413None
BlackRock, Inc.2026-06-302026-08-08112,127$193,980None
BlackRock, Inc.2026-06-302026-08-087,524$13,017None
STATE STREET CORP2026-06-302026-08-0893,874$162,402None
Evernest Financial Advisors, LLC2026-06-302026-08-07506,000$875,380None
Legato Capital Management LLC2026-06-302026-08-07119,534$206,794None
ESSEX INVESTMENT MANAGEMENT CO LLC2026-06-302026-08-07362,696$627,464None
Caitong International Asset Management Co., Ltd2026-06-302026-08-0635$61None
SBI Securities Co., Ltd.2026-06-302026-07-2415$26None

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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No records are available for this view.

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.

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