Allurion Technologies, Inc. (ALUR) Institutional Ownership

Institutions by Trading Activity

7,767,320Shares Outstanding

5,003Shares held by institutions

$5,503Value of institutional holdings

3.74%Institutional ownership %

141.16%Shares Changed QoQ

6No. of institutional investors

The institutional landscape for Allurion Technologies, Inc. (NYSE:ALUR) includes 6 filers as of the latest reporting cycle ending December 2025.

The collective stake of institutional investors in Allurion Technologies moved to 3.7% in December 2025, a shift down from the 36.1% reported for September 2025.
Institutional share ownership changed by 141.16% QoQ, while the number of institutional owners saw a decrease of 76.92% YoY.
A review of institutional activity for Allurion Technologies shows 2 of 6 filers increasing their positions, while 2 reduced their stake, and 2 remained unchanged.
Collectively, institutional investors increased their stake in Allurion Technologies to 290.19K shares as of December 2025, a change that is up by 169.86K shares quarter on quarter and down 14.36Mn shares year over year.
Lunt Capital Management, Inc.'s holding of 166.67K shares as of December 31, 2025 makes it the primary institutional investor in Allurion Technologies, owning 2.15% of the stock.
Among the most significant buyers of Allurion Technologies during December 2025 were Lunt Capital Management, Inc. (166.67K), VANGUARD GROUP INC (32.47K).
Leading sellers of Allurion Technologies stock in December 2025 included UBS Group AG (29.27K), SBI Securities Co., Ltd. (3).
The top 6 institutional holders of Allurion Technologies for the quarter ending December 2025 included Lunt Capital Management, Inc. (166.67K), VANGUARD GROUP INC (88.65K), UBS Group AG (29.86K), LRI Investments, LLC (5.00K), SBI Securities Co., Ltd. (10), SIGNATUREFD, LLC (3).

5,003 Total Shares Held

Rows:

Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
RTW INVESTMENTS, LP	30 Sep, 2025	2,542,603	0	0.00%	$5,212,336.00
UBS Group AG	30 Sep, 2025	59,136	-3,701	-5.89%	$121,229.00
VANGUARD GROUP INC	30 Sep, 2025	56,182	6,816	13.81%	$115,173.00
Unisphere Establishment	30 Sep, 2025	49,695	0	0.00%	$101,875.00
GEODE CAPITAL MANAGEMENT, LLC	30 Sep, 2025	39,602	82	0.21%	$81,191.00
BlackRock, Inc.	30 Sep, 2025	18,855	0	0.00%	$38,653.00
STATE STREET CORP	30 Sep, 2025	14,835	0	0.00%	$30,412.00
Limestone Investment Advisors LP	30 Sep, 2025	10,950	10,950	0.00%	$296.00
Centerpoint Advisors, LLC	30 Sep, 2025	6,347	0	0.00%	$13.00
LRI Investments, LLC	30 Sep, 2025	5,000	-3,185	-38.91%	$10,250.00
Tower Research Capital LLC (TRC)	30 Sep, 2025	1,058	-1,204	-53.23%	$2,169.00
OSAIC HOLDINGS, INC.	30 Sep, 2025	790	0	0.00%	$1,714.00
GROUP ONE TRADING LLC	30 Sep, 2025	199	0	0.00%	$408.00
BANK OF AMERICA CORP /DE/	30 Sep, 2025	40	-1	-2.44%	$82.00
SBI Securities Co., Ltd.	30 Sep, 2025	13	3	30.00%	$27.00
Allworth Financial LP	30 Sep, 2025	11	0	0.00%	$23.00
JPMORGAN CHASE & CO	30 Sep, 2025	4	0	0.00%	$8.00
SIGNATUREFD, LLC	30 Sep, 2025	3	0	0.00%	$6.00
HARBOUR INVESTMENTS, INC.	30 Sep, 2025	2	0	0.00%	$4.00