ALUR

ALLURION TECHNOLOGIES, INC.

Surgical & Medical Instruments & ApparatusNYSE<br>Emerging growth company

Total Trades

3

Buys

2

Sells

1

Largest Trade

$15K–$50K

Insiders

2

Institutional Funds

19

Inst. Value

$500K+

Activist Filings

21

Insider Trades

InsiderTitleTypeValueSharesPriceDate
Davin Michael RDirectorSELL$1K–$15K3K$1.53Dec 6, 2025
Gaur ShantanuCEOBUY$15K–$50K8K$3.06May 21, 2025
Gaur ShantanuCEOBUY$15K–$50K8K$3.35Apr 1, 2025
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Institutional Ownership

13F filings as of Dec 31, 2025 · 19 funds holding

Activist & 5%+ Owners

SC 13D/13G filings — investors holding 5%+ of outstanding shares

RTW Investments, LP

SC 13D/A · Mar 2, 2026

39.4%

5.9M shares

Armistice Capital, LLC

SC 13G/A · Nov 14, 2025

5.0%

136K shares

RTW Investments, LP

SC 13D/A · Nov 13, 2025

48.1%

5.9M shares

RTW Investments, LP

SC 13D/A · Nov 7, 2025

43.6%

4.0M shares

Armistice Capital, LLC

SC 13G/A · Aug 15, 2025

7.2%

185K shares

Armistice Capital, LLC

SC 13G/A · May 15, 2025

5.0%

392K shares

RTW Investments, LP

SC 13D/A · Apr 17, 2025

34.1%

2.5M shares

Leavitt Equity Partners III, L.P.

SC 13G · Feb 26, 2025

7.8%

463K shares

RTW Investments, LP

SC 13D/A · Feb 24, 2025

17.6%

1.1M shares

Armistice Capital, LLC

SC 13G/A · Feb 7, 2025

5.0%

252K shares

RTW Investments, LP

SC 13D/A · Jan 29, 2025

21.9%

1.1M shares

RTW Investments, LP

SC 13D/A · Jan 17, 2025

29.6%

1.1M shares

RTW Investments, LP

SC 13D/A · Jan 11, 2025

10.0%

278K shares

Armistice Capital, LLC

SC 13G/A · Nov 14, 2024

12.1%

7.8M shares

Citadel Advisors LLC

SC 13G/A · Nov 14, 2024

0.1%

6 shares

RTW Investments, LP

SC 13D/A · Oct 24, 2024

5.7%

3.7M shares

Armistice Capital, LLC

SC 13G · Aug 9, 2024

12.6%

8.1M shares

RTW Investments, LP

SC 13D/A · Jul 2, 2024

7.0%

4.4M shares

RTW Investments, LP

SC 13D/A · Apr 17, 2024

8.1%

3.9M shares

Citadel Advisors LLC

SC 13G/A · Feb 14, 2024

5.1%

6 shares

Citadel Advisors LLC

SC 13G · Dec 26, 2023

5.1%

6 shares

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