$ALUR

$0.67 +$0.00 (0.0%) Close

$ALUR Overview Financial Statements SEC Filings Executives News Red Flags Capital Raising Ownership Insider Transactions Congressional Trades

Ownership

13F as of Q2 2026 · 1.0M shares outstanding

Who owns ALUR?

By type of holder

Institutions 0.0% Insiders 3.1% Everyone else 96.9%

Concentration Top 7 holders own 16.6%

RTW Investments, LP 6.7% · Roderick Wong 6.7%

Institutional ownership

0.0%

0.0 pts vs last qtr

Institutional holders

-1 vs last qtr

Net shares bought

−2

by institutions in Q2 2026

New / sold out

0 / 1

positions opened vs closed

How is ownership changing?

Institutions, last 8 quarters

Biggest buyers in Q2 2026

None.

Biggest sellers in Q2 2026

Harbour Investments, Inc. SOLD OUT −2

Who is planning to sell?

Notices of proposed sale, last 12 months

$4.38K

1 notice from 1 person

Shares covered

3.2K

0.32% of the company

Arranged in advance

of the value is under a 10b5-1 plan

Under a 10b5-1 plan No plan

Largest proposed sellers

Davin Michael R Director $4.38K

Every notice on Red Flags →

A Form 144 is notice of a planned sale, not the sale itself. What insiders actually sold is on Insider Transactions.

Is your stake being diluted?

Diluted share count, FY2024–FY2025

+235.7%

+235.74% a year

Each share's claim on the business

−70.2%

shrank without buying or selling a share

Spent on buybacks vs paid in stock

— vs $6.2M

over 2 fiscal years

Diluted shares, split-adjusted

Buybacks Stock-based comp

How patient are the owners?

No 13F manager reports holding ALUR.

Super Investors

Investment managers reporting ALUR on Form 13F

Holder	Shares	% of company	Change vs last qtr	8 quarters	Held since	% of their book
HI Harbour Investments, Inc.	—	—	SOLD OUT		—	0.0%
Shares held by quarter Peak holding56 (Q3'24) Change over 8 quarters−56 Harbour Investments, Inc.'s full portfolio →

Harbour Investments, Inc.

—

% of company

—

Change vs last qtr

SOLD OUT

Held since

—

Institutional Funds

Mutual funds and ETFs reporting ALUR on Form N-PORT; together they hold 7.6% of the company

Fund	Position value	Shares	% of company	% of the fund	As of
VE Vanguard Extended Market Index Fund Vanguard Index Funds	$49.6K	40.3K	4.03%	0.00%	December 31, 2025
FE Fidelity Extended Market Index Fund Fidelity Concord Street Trust	$31.8K	27.2K	2.72%	0.00%	February 28, 2026

Vanguard Extended Market Index Fund

Vanguard Index Funds

Position value

$49.6K

% of company

4.03%

% of the fund

0.00%

As of

December 31, 2025

Fidelity Extended Market Index Fund

Fidelity Concord Street Trust

Position value

$31.8K

% of company

2.72%

% of the fund

0.00%

As of

February 28, 2026

3 more funds behind a free account

See every fund holding Allurion Technologies Inc and how much of the fund the position is.

Insiders and 5%+ holders

From Forms 3/4/5 and Schedules 13D/G

Holder	Shares	% of company	Change vs last qtr	8 quarters	Held since	% of their book
RI RTW Investments, LP 5%+ holder 13D · 9.9%	67.4K	6.74%	—	—	—	—
This holder reports through Schedule 13D/G, not a quarterly 13F. Share of the company6.740% Disclosed stake13D · 9.9% View the 13D/G filing →
RW Roderick Wong 5%+ holder 13D · 9.9%	67.4K	6.74%	—	—	—	—
This holder reports through Schedule 13D/G, not a quarterly 13F. Share of the company6.740% Disclosed stake13D · 9.9% View the 13D/G filing →

RTW Investments, LP

5%+ holder13D · 9.9%

67.4K

% of company

6.74%

Change vs last qtr

—

Held since

—

Roderick Wong

5%+ holder13D · 9.9%

67.4K

% of company

6.74%

Change vs last qtr

—

Held since

—

5 more holders behind a free account

See every insider and 5%+ holder of Allurion Technologies Inc.

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