SentinelOne, Inc.
SentinelOne, Inc. (S) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · S · as of Sep 30, 2025
Ownership Breakdown
498
Institutional Holders
▲ 9 vs Q2
$4.62B
Total Inst. Value
▼ $144.51M vs Q2
336.75M
Shares Outstanding
freeFloat 94.71%
247.08M
13F Shares Held
▼ 13.83M vs Q2
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
S largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
VANGUARD GROUP INC services-prepackaged software | 36.01M | 10.88% | 10.88% | $634.18B | Nov 7, 2025 | ▲ 2.19M |
BLACKROCK, INC. services-prepackaged software | 20.84M | 6.30% | 6.30% | $367.08B | Nov 12, 2025 | ▲ 522.4K |
FIRST TRUST ADVISORS LP services-prepackaged software | 9.52M | 2.88% | 2.88% | $167.68B | Nov 12, 2025 | ▼ 33.9K |
REDPOINT MANAGEMENT, LLC services-prepackaged software | 8.73M | 2.64% | 2.64% | $153.81B | Nov 14, 2025 | — held |
INSIGHT HOLDINGS GROUP, LLC services-prepackaged software | 8.43M | 2.55% | 2.55% | $148.36B | Nov 14, 2025 | ▼ 3.00M |
LEGAL & GENERAL GROUP PLC services-prepackaged software | 8.21M | 2.48% | 2.48% | $144.51B | Nov 13, 2025 | ▲ 1.13M |
VOYA INVESTMENT MANAGEMENT LLC services-prepackaged software | 6.94M | 2.10% | 2.10% | $122.22B | Oct 9, 2025 | ▼ 76.9K |
SYLEBRA CAPITAL LLC services-prepackaged software | 6.62M | 2.00% | 2.00% | $116.49B | Nov 14, 2025 | ▼ 1.31M |
STATE STREET CORP services-prepackaged software | 5.60M | 1.69% | 1.69% | $98.59B | Nov 14, 2025 | ▼ 17.4K |
GEODE CAPITAL MANAGEMENT, LLC services-prepackaged software | 5.35M | 1.62% | 1.62% | $94.20B | Nov 12, 2025 | ▲ 73.0K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
27
Increased
+15.32M shares2
New Positions
first time holders19
Decreased
−14.64M shares0
Sold Out
fully exitedNet shares change (top 50)
+675.3K
+15.32M / −14.64M
Net new holders
+10
2 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
S insider trading · insider activity
Source: SEC Form 4
Insiders have been primarily selling shares recently. Selling may be driven by pre-scheduled Rule 10b5-1 plans rather than negative sentiment.
8
Buy transactions
9
Sell transactions
0.89
Buy/Sell ratio
$1M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
Weingarten Tomer President, CEO | May 6, 2026 | Sale | 21,960 | $15.65 | $343.6K | 1.99M | Form 4 ↗ |
TOMASELLO ROBIN Chief Accounting Officer | May 6, 2026 | Sale | 2,459 | $15.65 | $38.5K | 457.2K | Form 4 ↗ |
Conder Keenan Michael Chief Legal Officer & Sec'y | May 6, 2026 | Sale | 4,550 | $15.65 | $71.2K | 991.1K | Form 4 ↗ |
Weingarten Tomer President, CEO | May 1, 2026 | C-Conversion | 100 | — | — | 3.88M | Form 4 ↗ |
Weingarten Tomer President, CEO | May 4, 2026 | C-Conversion | 231,664 | — | — | 3.65M | Form 4 ↗ |
Weingarten Tomer President, CEO | May 4, 2026 | C-Conversion | 231,664 | — | — | 2.24M | Form 4 ↗ |
Weingarten Tomer President, CEO | May 1, 2026 | C-Conversion | 100 | — | — | 2.01M | Form 4 ↗ |
Weingarten Tomer President, CEO | May 4, 2026 | Sale | 231,664 | $15.32 | $3.55M | 2.01M | Form 4 ↗ |
Weingarten Tomer President, CEO | May 1, 2026 | Sale | 100 | $15.00 | $1.5K | 2.01M | Form 4 ↗ |
Pinczuk Ana G. President Product & Technology | Apr 15, 2026 | Award | 187,239 | — | — | 774.8K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
SentinelOne, Inc. (S) is primarily owned by institutional investors, who hold approximately 73.4% of total shares outstanding. Company insiders own approximately 5.29%, while retail and public investors account for the remaining 21.34%.
The largest institutional shareholder of SentinelOne, Inc. is VANGUARD GROUP INC, holding approximately 36.01 million shares — equal to 10.88% of outstanding shares — as of September 30, 2025.
A total of 498 institutional investors currently hold S stock, with a combined institutional value of approximately $4.62 billion as of the most recent 13F filing period.
Frequently asked questions
S ownershipSentinelOne, Inc. (S) is primarily owned by institutional investors, who hold approximately 73.4% of shares. The largest shareholder is VANGUARD GROUP INC with a 10.88% stake. Company insiders hold 5.29%. Data sourced from SEC Form 13F as of September 30, 2025.