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S

SentinelOne Inc

Technology · Software - Infrastructure

22.50$ -2.9% vs. previous close Closing price · As of: Sep 18, 2026

Ownership

Ownership Structure

Who owns SentinelOne Inc (S)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 90.8% of the shares are freely tradable; institutional investors hold 84.6%.

Institutional ownership ?Share of the stock held by institutional investors (funds, banks, insurers) according to regulatory filings. 84.6%
Insiders ?Share of the stock held by the executives, founders and major shareholders of the company itself. 0.6%
Float ?Share of stock freely tradable on the market — not locked up in the hands of founders, insiders, or major shareholders. 90.8%
Short % of float ?Shares sold short as a percentage of the freely tradable float — high values signal many bets on falling prices. 5.4%
Shares Outstanding ?Total number of shares issued. Price times share count gives market cap. 342Mio.

Largest Shareholders

Institutions

Institutions S
Name Stake (%) Shares Change (%) Date
BlackRock Inc 6.42 22,333,733 +7.4 03/31/2026
Vanguard Portfolio Management, LLC 6.23 21,675,195 +0.0 03/31/2026
AQR Capital Management LLC 5.68 19,767,721 +140.7 03/31/2026
Vanguard Capital Management, LLC 4.29 14,944,082 +0.0 03/31/2026
First Trust Advisors L.P. 3.15 10,954,964 +20.7 06/30/2026
Legal & General Group PLC 2.56 8,925,465 +4.4 03/31/2026
Redpoint Management, LLC 2.51 8,734,063 +0.0 06/30/2026

Funds

Funds S
Name Stake (%) Shares Change (%) Date
L&G Cyber Security ETF 3.01 10,472,984 +0.0 08/31/2026
Vanguard MStar Total Stk Mkt Idx Invest 2.93 10,204,587 +0.3 07/31/2026
First Trust NASDAQ Cybersecurity ETF 2.58 8,962,878 +0.2 08/31/2026

Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.

Insider holdings

Insider holdings S
Person Role Shares Value As of Type
Weingarten Tomer President, CEO 1,744,878 39,259,755 $ Sep 11, 2026 direct
Padgett Barry L. President and COO 977,430 21,992,175 $ Aug 6, 2026 direct
Conder Keenan Michael Chief Legal Officer & Sec'y 948,046 21,331,035 $ Sep 8, 2026 direct
Parekh Sonalee Elizabeth Chief Financial Officer 942,617 21,208,883 $ Sep 8, 2026 direct
Pinczuk Ana G. President Product & Technology 737,716 16,598,610 $ Aug 6, 2026 direct
Tomasello Robin Chief Accounting Officer 405,112 9,115,020 $ Sep 10, 2026 direct

Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.

Insiders

Insider Transactions

Insider Transactions
Date Person Role Type Shares Price Value
Sep 11, 2026 Weingarten Tomer President, CEO Sell 114,890 19.89 2,285,151
Sep 11, 2026 Weingarten Tomer President, CEO Other 57,941 0.00
Sep 10, 2026 Tomasello Robin Chief Accounting Officer Sell 13,311 19.95 265,512
Sep 8, 2026 Weingarten Tomer President, CEO Sell 38,759 19.79 767,041
Sep 8, 2026 Parekh Sonalee Elizabeth Chief Financial Officer Sell 21,664 19.44 421,189
Sep 8, 2026 Tomasello Robin Chief Accounting Officer Sell 14,205 19.79 281,117
Sep 8, 2026 Tomasello Robin Chief Accounting Officer Sell 7,235 19.44 140,644
Sep 8, 2026 Conder Keenan Michael Chief Legal Officer & Sec'y Sell 8,312 19.79 164,494
Aug 6, 2026 Weingarten Tomer President, CEO Sell 53,811 20.08 1,080,525
Aug 6, 2026 Pinczuk Ana G. President Product & Technology Sell 6,230 20.09 125,142
Aug 6, 2026 Tomasello Robin Chief Accounting Officer Sell 5,467 20.08 109,799
Aug 6, 2026 Padgett Barry L. President and COO Sell 9,778 20.09 196,460
Aug 6, 2026 Conder Keenan Michael Chief Legal Officer & Sec'y Sell 26,374 20.08 529,590
Jul 31, 2026 Weingarten Tomer President, CEO Sell 57,941 18.75 1,086,133
Jul 31, 2026 Weingarten Tomer President, CEO Other 57,941 0.00
Jul 27, 2026 Parekh Sonalee Elizabeth Chief Financial Officer Sell 12,987 18.25 237,065

Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →

Data as of: September 18, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)

Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.

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