C3.ai, Inc.
C3.ai, Inc. (AI) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · AI · as of Sep 30, 2025
Ownership Breakdown
380
Institutional Holders
▼ 44 vs Q2
$1.48B
Total Inst. Value
▼ $194.67M vs Q2
141.79M
Shares Outstanding
freeFloat 95.94%
68.88M
13F Shares Held
▲ 801,653 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
AI 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 | 14.36M | 10.61% | 10.61% | $249.04B | Nov 7, 2025 | ▲ 162.5K |
BLACKROCK, INC. services-prepackaged software | 10.28M | 7.59% | 7.59% | $178.19B | Nov 12, 2025 | ▲ 82.5K |
TOROSO INVESTMENTS, LLC services-prepackaged software | 8.01M | 5.92% | 5.92% | $138.85B | Nov 14, 2025 | ▲ 7.92M |
MORGAN STANLEY services-prepackaged software | 4.73M | 3.50% | 3.50% | $82.06B | May 27, 2026 | ▲ 2.90M |
CITADEL ADVISORS LLC services-prepackaged software | 4.34M | 3.21% | 3.21% | $75.26B | Nov 14, 2025 | ▲ 3.02M |
SUSQUEHANNA INTERNATIONAL GROUP, LLP services-prepackaged software | 3.79M | 2.80% | 2.80% | $65.67B | Nov 14, 2025 | ▼ 315.8K |
SUSQUEHANNA INTERNATIONAL GROUP, LLP services-prepackaged software | 3.30M | 2.44% | 2.44% | $57.29B | Nov 14, 2025 | ▲ 1.80M |
SUSQUEHANNA INTERNATIONAL GROUP, LLP services-prepackaged software | 2.95M | 2.18% | 2.18% | $51.23B | Nov 14, 2025 | ▼ 1.47M |
STATE STREET CORP services-prepackaged software | 2.88M | 2.13% | 2.13% | $49.98B | Nov 14, 2025 | ▲ 56.1K |
GEODE CAPITAL MANAGEMENT, LLC services-prepackaged software | 2.85M | 2.10% | 2.10% | $49.38B | Nov 12, 2025 | ▲ 33.9K |
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
34
Increased
+27.80M shares3
New Positions
first time holders13
Decreased
−7.63M shares0
Sold Out
fully exitedNet shares change (top 50)
+20.17M
+27.80M / −7.63M
Net new holders
+24
3 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
AI 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.
10
Buy transactions
18
Sell transactions
0.56
Buy/Sell ratio
$15M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
SIEBEL THOMAS M CEO and Chairman of the Board | Jun 2, 2026 | Sale | 17,350 | $11.32 | $196.4K | 6.90M | Form 4 ↗ |
SIEBEL THOMAS M CEO and Chairman of the Board | Jun 3, 2026 | Gift | 6,182,053 | — | — | 6.90M | Form 4 ↗ |
SIEBEL THOMAS M CEO and Chairman of the Board | Jun 3, 2026 | Gift | 6,182,053 | — | — | 722.4K | Form 4 ↗ |
Hyten John E. director | May 15, 2026 | D-Return | 2,500 | $8.65 | $21.6K | 74.2K | Form 4 ↗ |
SIEBEL THOMAS M CEO and Chairman of the Board | May 18, 2026 | Sale | 112,014 | $8.65 | $968.9K | 722.4K | Form 4 ↗ |
SIEBEL THOMAS M CEO and Chairman of the Board | May 15, 2026 | Sale | 369,624 | $8.72 | $3.22M | 722.4K | Form 4 ↗ |
SIEBEL THOMAS M Executive Chairman | May 4, 2026 | Sale | 27,210 | $9.27 | $252.2K | 748.3K | Form 4 ↗ |
SIEBEL THOMAS M Executive Chairman | May 5, 2026 | Gift | 25,915 | — | — | 722.4K | Form 4 ↗ |
SIEBEL THOMAS M Executive Chairman | May 5, 2026 | Gift | 25,915 | — | — | 720.1K | Form 4 ↗ |
Hyten John E. director | Apr 15, 2026 | D-Return | 2,500 | $9.52 | $23.8K | 76.7K | 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
C3.ai, Inc. (AI) is primarily owned by institutional investors, who hold approximately 48.6% of total shares outstanding. Company insiders own approximately 4.06%, while retail and public investors account for the remaining 47.36%.
The largest institutional shareholder of C3.ai, Inc. is VANGUARD GROUP INC, holding approximately 14.36 million shares — equal to 10.61% of outstanding shares — as of September 30, 2025.
A total of 380 institutional investors currently hold AI stock, with a combined institutional value of approximately $1.48 billion as of the most recent 13F filing period.
Frequently asked questions
AI ownershipC3.ai, Inc. (AI) is primarily owned by institutional investors, who hold approximately 48.6% of shares. The largest shareholder is VANGUARD GROUP INC with a 10.61% stake. Company insiders hold 4.06%. Data sourced from SEC Form 13F as of September 30, 2025.