ALUR
Allurion Technologies, Inc.Company with tickers: ALUR, ALURW
CIK
1964979
CUSIP
02008G201
Shares Outstanding
15,006,253
Price History
Institutional Holders
Short Volume
Short Interest
Fails to Deliver
Financials
SEC Filings
Earnings Calls
Insider Trades
Congressional Trades
Holders: 27
Total Value: $8,284,551
Total Shares: 6,735,421
Institutional Ownership Trend
Holder Concentration
Across 27 13F filers · Δ vs Sep 30, 2025Top Holder
87.5%
−2.8 pts
Top 5
94.1%
−3.4 pts
Top 10
98.1%
−1.6 pts
HHI
7,668
Highly concentrated
−490
Quarterly Activity
vs Sep 30, 2025
New
10
Increased
4
Decreased
4
Sold Out
2
Unchanged
9
Holder count:
+8
Institutional value:
+43.4%
Shares held:
+139.1%
Top Buyers
vs Sep 30, 2025| Institution | Added | Now Holds |
|---|---|---|
| Mid RTW INVESTMENTS, LP | +3,348,827 | 5,891,430 |
| Mega STATE STREET CORP | +11,300 | 26,135 |
| Mega GEODE CAPITAL MANAGEMENT, LLC | +709 | 40,311 |
| Mid XTX Topco Ltd | +351 | 12,577 |
Top Sellers
vs Sep 30, 2025| Institution | Sold | Now Holds |
|---|---|---|
| Mega VANGUARD GROUP INC | −55,598 | 584 |
| Mega UBS Group AG | −29,271 | 29,865 |
| Large Advisor Group Holdings, Inc. | −286 | 504 |
| Mid SBI Securities Co., Ltd. | −3 | 10 |
Top New Positions
vs Sep 30, 2025| Institution | Acquired | Value (USD) |
|---|---|---|
| Micro Lunt Capital Management, Inc. | 166,666 | $204,999 |
| Large TORONTO DOMINION BANK | 162,000 | $199,260 |
| Small Empery Asset Management, LP | 59,881 | $73,653 |
| Large Hudson Bay Capital Management LP | 59,880 | $73,652 |
| Small L1 Global Manager Pty Ltd | 59,880 | $73,652 |
Top Sold-Out Positions
vs Sep 30, 2025| Institution | Previously Held | Last Value (USD) |
|---|---|---|
| Mid Tower Research Capital LLC (TRC) | 1,058 | $2,168 |
| Mid Allworth Financial LP | 11 | $22 |
| Holder | Value (USD) | % of 13F | Shares | Activity | Type | Discretion | Filed | Action |
|---|---|---|---|---|---|---|---|---|
| Mid RTW INVESTMENTS, LP | $7,246,458 | 87.47% | 5,891,430 | Added | Shares | Sole | 2026-02-17 | View |
| Micro Lunt Capital Management, Inc. | $204,999 | 2.47% | 166,666 | First | Shares | Sole | 2026-01-23 | View |
| Large TORONTO DOMINION BANK | $199,260 | 2.41% | 162,000 | First | Shares | Defined | 2026-02-17 | View |
| Small Empery Asset Management, LP | $73,653 | 0.89% | 59,881 | First | Shares | Sole | 2026-02-11 | View |
| Mid ARMISTICE CAPITAL, LLC | $73,652 | 0.89% | 59,880 | First | Shares | Sole | 2026-02-17 | View |
| Large Hudson Bay Capital Management LP | $73,652 | 0.89% | 59,880 | First | Shares | Sole | 2026-02-13 | View |
| Small HEIGHTS CAPITAL MANAGEMENT, INC | $73,652 | 0.89% | 59,880 | First | Shares | Other | 2026-02-17 | View |
| Small L1 Global Manager Pty Ltd | $73,652 | 0.89% | 59,880 | First | Shares | Sole | 2026-02-13 | View |
| Large Unisphere Establishment | $61,124 | 0.74% | 49,695 | Held | Shares | Defined | 2026-02-17 | View |
| Mega GEODE CAPITAL MANAGEMENT, LLC | $49,582 | 0.60% | 40,311 | Added | Shares | Defined | 2026-02-09 | View |
| Mega UBS Group AG | $36,732 | 0.44% | 29,865 | Reduced | Shares | Defined | 2026-01-29 | View |
| Mega STATE STREET CORP | $32,146 | 0.39% | 26,135 | Added | Shares | Defined | 2026-02-13 | View |
| Mega BlackRock, Inc. | $23,191 | 0.28% | 18,855 | Held | Shares | Sole | 2026-02-12 | View |
| Mega NORTHERN TRUST CORP | $18,229 | 0.22% | 14,821 | First | Shares | Defined | 2026-02-17 | View |
| Mid XTX Topco Ltd | $15,469 | 0.19% | 12,577 | Added | Shares | Defined | 2026-02-17 | View |
| Mid Limestone Investment Advisors LP | $13,468 | 0.16% | 10,950 | Held | Shares | Sole | 2026-02-17 | View |
| Micro Centerpoint Advisors, LLC | $7,806 | 0.09% | 6,347 | Held | Shares | Sole | 2026-02-13 | View |
| Small LRI Investments, LLC | $6,150 | 0.07% | 5,000 | Held | Shares | Sole | 2026-02-04 | View |
| Mega VANGUARD GROUP INC | $718 | 0.01% | 584 | Reduced | Shares | Defined | 2026-01-29 | View |
| Large Advisor Group Holdings, Inc. | $619 | 0.01% | 504 | Reduced | Shares | Defined | 2026-02-17 | View |
| Mid GROUP ONE TRADING, L.P. | $244 | 0.00% | 199 | Held | Shares | Sole | 2026-02-12 | View |
| Mega BANK OF AMERICA CORP /DE/ | $67 | 0.00% | 56 | First | Shares | Defined | 2026-02-17 | View |
| Mid SBI Securities Co., Ltd. | $12 | 0.00% | 10 | Reduced | Shares | Defined | 2026-02-03 | View |
| Small DV EQUITIES, LLC | $7 | 0.00% | 6 | First | Shares | Other | 2026-02-17 | View |
| Mega JPMORGAN CHASE & CO | $4 | 0.00% | 4 | Held | Shares | Defined | 2026-02-11 | View |
| Mid SIGNATUREFD, LLC | $3 | 0.00% | 3 | Held | Shares | Sole | 2026-01-20 | View |
| Mid HARBOUR INVESTMENTS, INC. | $2 | 0.00% | 2 | Held | Shares | Sole | 2026-02-09 | View |
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