Rapid Micro Biosystems (RPID)

NASDAQ:RPID

US Market

RPID

Rapid Micro Biosystems

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Rapid Micro Biosystems (RPID) Ownership - Who Owns Rapid Micro Biosystems?

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Rapid Micro Biosystems (RPID) Ownership Overview

36.08% Insiders

2.55% Mutual Funds

30.89% Other Institutional Investors

2.66% ETFs

27.82% Public Companies and

Individual Investors

The ownership structure of Rapid Micro Biosystems (RPID) stock is a mix of institutional, retail, and individual investors. Approximately 36.10% of the company’s stock is owned by Institutional Investors, 36.08% is owned by Insiders, and 27.82% is owned by Public Companies and Individual Investors.

The ownership structure of Rapid Micro Biosystems (RPID) stock is a mix of institutional, retail, and individual investors. Approximately 33.44% of the company’s stock is owned by Institutional Investors, 36.08% is owned by Insiders, and 2.66% is owned by Public Companies and Individual Investors.

Recent Insider Trading Activity

Date	Name	Activity	Value
Mar 12, 2026	Sean M Wirtjes	xxxxxxxxxxxxx	$32239
Mar 12, 2026	John J. Addington Wilson	xxxxxxxxxxxxx	$41389
Mar 12, 2026	Robert G. Jr. Spignesi	xxxxxxxxxxxxx	$73659
Feb 20, 2026	Sean M Wirtjes	xxxxxxxxxxxxx	$67636

Show More Insider Trading Activity >

Recent Hedge Fund Trading Activity

Date	Firm	Activity	Value
Mar 31, 2024	Advent International Corp	xxxxxxxxxxxxx	$1253896
Mar 31, 2024	Graham Capital Management, L.p.	xxxxxxxxxxxxx	$45400

Show More Hedge Fund Trading Activity >

Top Shareholders

Holder	# of Shares	Type	% Holding	Value
	8,434,560	Insider	20.44%	16,953,466
	4,029,245	Insider	9.76%	8,098,782
	1,169,848	Insider	2.83%	2,351,394
	954,516	Institution	2.31%	1,918,577
	829,461	Institution	2.01%	1,667,217
	556,194	Insider	1.35%	1,117,950
David Mussafer	552,377	Institution	1.34%	1,110,278
	316,762	Insider	0.77%	636,692
	180,507	Institution	0.44%	362,819
	130,318	Insider	0.32%	261,939

Top Mutual Fund Holders

Holder	# of Shares	Type	% Holding	Value
	829,461	Institution	2.01%	1,667,217
	180,507	Institution	0.44%	362,819
	14,085	Institution	0.03%	28,311
	13,893	Institution	0.03%	27,925
	12,352	Institution	0.03%	24,828
	2,294	Institution	<0.01%	4,611

Top ETF Holders

Holder	# of Shares	Type	% Holding	Value
Vanguard Total Stock Market ETF	750,984	Institution	1.82%	1,704,734
Vanguard Extended Market ETF	203,532	Institution	0.49%	462,018
iShares Micro-Cap ETF	78,524	Institution	0.19%	202,592
Dimensional U.S. Small Cap ETF	30,705	Institution	0.07%	79,219
U.S. Micro Cap Portfolio ETF	17,348	Institution	0.04%	75,117
Avantis U.S Small Cap Equity ETF	11,638	Institution	0.03%	30,026
Dimensional U.S. Core Equity 2 ETF	5,089	Institution	0.01%	13,130

FAQ

Who Owns Rapid Micro Biosystems (RPID)?

According to the latest TipRanks data, approximately 30.89% of the company's stock is held by institutional investors, 36.08% is held by insiders, and 27.82% is held by retail investors.

What percentage of Rapid Micro Biosystems (RPID) stock is held by institutional investors?

According to the latest TipRanks data, approximately 30.89% of Rapid Micro Biosystems (RPID) stock is held by institutional investors.

What percentage of Rapid Micro Biosystems (RPID) stock is held by retail investors?

According to the latest TipRanks data, approximately 27.82% of Rapid Micro Biosystems (RPID) stock is held by retail investors.

Who owns the most shares of Rapid Micro Biosystems (RPID)?

Bain Capital Life Sciences Investors, LLC owns the most shares of Rapid Micro Biosystems (RPID).

What is the significance of the ownership structure for a publicly traded company?

The ownership structure can impact the company's decision making, as large institutional investors may exert influence on the company's management and can also affect the company's stock price with their buying and selling patterns.