VANGUARD GROUP INC
Rank #1
10.2%
- Shares
- 14.47M
- Change
- +108.01K
- Change %
- +75.00%
- Filing
- Dec 31, 2025
Increased
Methodology published · Market data, model notes, and corrections process are public · Data policy · Corrections policy
NYSE · TECHNOLOGY · Holders
C3 Ai Inc (AI) Institutional Ownership & Insider Trading History
Top AI institutional shareholders, filing changes, and Form 4 insider activity with filters for buys, sales, option exercises, gifts, and tax withholding.
Section freshness
Price Jun 15, 10:38 AM EDT · Statements Apr 29, 8:00 PM EDT
Source timingDetailsHide
Data freshness
Prices update fastest. Fundamentals, analyst data, and news update on their own schedules, so check these timestamps before comparing signals.
Price time means the latest available trade or regular-market close. Other times show when that section was checked or published.
PriceLive
Last traded •
Source: Market data provider
Fundamentalsevery 1 day
Provider checked •
Source: Market data provider
Analystevery 1 day
Provider checked •
Source: Market data provider
Newsevery 4 hr
Latest item •
Source: Market data provider
Ownership read
AI insider sentiment: Net selling.
VANGUARD GROUP INC is the largest loaded institutional holder. 68 sale rows and 0 purchase rows are visible in the loaded Form 4 history. Use the filters below to separate real buying and selling from option exercises, gifts, awards, and tax withholding.
Insider flow
AI
Purchases—
Sales20.27M
Directional bars ignore awards, gifts, conversions, and tax withholding rows.
Top holder
14.47M
VANGUARD GROUP INC
Insider stance
Net selling
$62.48M sold / — bought
Latest filing
Jun 3, 2026
Most recent holder or insider filing date
Rows loaded
240
120 holder / 120 insider
- Holder rows
- 120
- Market data source
- Latest filing
- Jun 3, 2026
- Most recent holder or insider filing date
- Increased / initiated
- 77
- 36 decreased in loaded rows
- Insider rows
- 120
- Market data source
Top 120 institutional holders
C3 Ai Inc (AI) institutional ownership
Ranked by reported share count, with position changes and latest filing dates where ownership data supplies them.
BLACKROCK
Rank #2
8.65%
- Shares
- 12.21M
- Change
- +809.89K
- Change %
- +7.11%
- Filing
- Mar 31, 2026
Increased
VANGUARD PORTFOLIO MANAGEMENT LLC
Rank #3
6.05%
- Shares
- 8.54M
- Change
- +8.54M
- Change %
- —
- Filing
- Mar 31, 2026
Initiated
VANGUARD CAPITAL MANAGEMENT LLC
Rank #4
4.14%
- Shares
- 5.84M
- Change
- +5.84M
- Change %
- —
- Filing
- Mar 31, 2026
Initiated
MORGAN STANLEY
Rank #5
4.06%
- Shares
- 5.73M
- Change
- +901.20K
- Change %
- +18.68%
- Filing
- Mar 31, 2026
Increased
GOLDMAN SACHS GROUP INC
Rank #6
2.72%
- Shares
- 3.84M
- Change
- +512.28K
- Change %
- +15.38%
- Filing
- Mar 31, 2026
Increased
BANK OF AMERICA CORP
Rank #7
2.32%
- Shares
- 3.28M
- Change
- +1.17M
- Change %
- +55.12%
- Filing
- Mar 31, 2026
Increased
STATE STREET CORP
Rank #8
2.23%
- Shares
- 3.15M
- Change
- +174.19K
- Change %
- +5.85%
- Filing
- Mar 31, 2026
Increased
GEODE CAPITAL MANAGEMENT
Rank #9
2.07%
- Shares
- 2.93M
- Change
- +57.22K
- Change %
- +2.00%
- Filing
- Mar 31, 2026
Increased
MILLENNIUM MANAGEMENT LLC
Rank #10
2.02%
- Shares
- 2.85M
- Change
- +1.83M
- Change %
- +1.79%
- Filing
- Mar 31, 2026
Increased
MIRAE ASSET GLOBAL ETFS HOLDINGS LTD.
Rank #11
1.67%
- Shares
- 2.36M
- Change
- -199.68K
- Change %
- -7.81%
- Filing
- Mar 31, 2026
Decreased
MARSHALL WACE
Rank #12
1.59%
- Shares
- 2.25M
- Change
- +1.23M
- Change %
- +1.22%
- Filing
- Mar 31, 2026
Increased
BNP PARIBAS FINANCIAL MARKETS
Rank #13
1.25%
- Shares
- 1.76M
- Change
- +922.49K
- Change %
- +1.10%
- Filing
- Mar 31, 2026
Increased
UBS GROUP AG
Rank #14
1.24%
- Shares
- 1.76M
- Change
- +1.10M
- Change %
- +1.67%
- Filing
- Mar 31, 2026
Increased
JPMORGAN CHASE & CO
Rank #15
1.08%
- Shares
- 1.52M
- Change
- +947.80K
- Change %
- +1.65%
- Filing
- Mar 31, 2026
Increased
TWO SIGMA INVESTMENTS
Rank #16
0.93%
- Shares
- 1.32M
- Change
- +269.59K
- Change %
- +25.67%
- Filing
- Mar 31, 2026
Increased
FIRST TRUST ADVISORS LP
Rank #17
0.86%
- Shares
- 1.22M
- Change
- +488.71K
- Change %
- +67.26%
- Filing
- Mar 31, 2026
Increased
DIMENSIONAL FUND ADVISORS LP
Rank #18
0.74%
- Shares
- 1.04M
- Change
- -524.95K
- Change %
- -33.45%
- Filing
- Mar 31, 2026
Decreased
NORTHERN TRUST CORP
Rank #19
0.74%
- Shares
- 1.04M
- Change
- +25.98K
- Change %
- +2.56%
- Filing
- Mar 31, 2026
Increased
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
Rank #20
0.74%
- Shares
- 1.04M
- Change
- +140.27K
- Change %
- +15.59%
- Filing
- Mar 31, 2026
Increased
| # | Institution | % held | Shares | Change | Change % | Filing date |
|---|---|---|---|---|---|---|
| 1 | 10.2% | 14.47M | +108.01K Increased | +75.00% | Dec 31, 2025 | |
| 2 | 8.65% | 12.21M | +809.89K Increased | +7.11% | Mar 31, 2026 | |
| 3 | 6.05% | 8.54M | +8.54M Initiated | — | Mar 31, 2026 | |
| 4 | 4.14% | 5.84M | +5.84M Initiated | — | Mar 31, 2026 | |
| 5 | 4.06% | 5.73M | +901.20K Increased | +18.68% | Mar 31, 2026 | |
| 6 | 2.72% | 3.84M | +512.28K Increased | +15.38% | Mar 31, 2026 | |
| 7 | 2.32% | 3.28M | +1.17M Increased | +55.12% | Mar 31, 2026 | |
| 8 | 2.23% | 3.15M | +174.19K Increased | +5.85% | Mar 31, 2026 | |
| 9 | 2.07% | 2.93M | +57.22K Increased | +2.00% | Mar 31, 2026 | |
| 10 | MILLENNIUM MANAGEMENT LLC | 2.02% | 2.85M | +1.83M Increased | +1.79% | Mar 31, 2026 |
| 11 | MIRAE ASSET GLOBAL ETFS HOLDINGS LTD. | 1.67% | 2.36M | -199.68K Decreased | -7.81% | Mar 31, 2026 |
| 12 | MARSHALL WACE | 1.59% | 2.25M | +1.23M Increased | +1.22% | Mar 31, 2026 |
| 13 | BNP PARIBAS FINANCIAL MARKETS | 1.25% | 1.76M | +922.49K Increased | +1.10% | Mar 31, 2026 |
| 14 | 1.24% | 1.76M | +1.10M Increased | +1.67% | Mar 31, 2026 | |
| 15 | 1.08% | 1.52M | +947.80K Increased | +1.65% | Mar 31, 2026 | |
| 16 | TWO SIGMA INVESTMENTS | 0.93% | 1.32M | +269.59K Increased | +25.67% | Mar 31, 2026 |
| 17 | FIRST TRUST ADVISORS LP | 0.86% | 1.22M | +488.71K Increased | +67.26% | Mar 31, 2026 |
| 18 | 0.74% | 1.04M | -524.95K Decreased | -33.45% | Mar 31, 2026 | |
| 19 | 0.74% | 1.04M | +25.98K Increased | +2.56% | Mar 31, 2026 | |
| 20 | 0.74% | 1.04M | +140.27K Increased | +15.59% | Mar 31, 2026 |
Showing 20 of 120 matching institutional rows.Load more institutions
Recent insider transactions
C3 Ai Inc (AI) Form 4 filings
Action codes are translated so open-market buys and sales are separate from awards, gifts, conversions, and tax withholding.
SIEBEL, THOMAS M
Director, CEO and Chairman of the Board, 10% Owner
- Shares
- 6.18M
- % company
- 4.36%
- Price
- No cash value
- Value
- No cash value
Filed Jun 3, 2026
SIEBEL, THOMAS M
Director, CEO and Chairman of the Board, 10% Owner
- Shares
- 6.18M
- % company
- 4.36%
- Price
- Not reported
- Value
- Not reported
Filed Jun 3, 2026
SIEBEL, THOMAS M
Director, CEO and Chairman of the Board, 10% Owner
- Shares
- 17.35K
- % company
- 0.01%
- Price
- $11.32
- Value
- $196,402
Filed Jun 2, 2026
SIEBEL, THOMAS M
Director, CEO and Chairman of the Board, 10% Owner
- Shares
- 6.17M
- % company
- 4.35%
- Price
- $11.16
- Value
- $68,820,004
Filed Jun 1, 2026
SIEBEL, THOMAS M
Director, CEO and Chairman of the Board, 10% Owner
- Shares
- 32.74K
- % company
- 0.02%
- Price
- No cash value
- Value
- No cash value
Filed Jun 1, 2026
SIEBEL, THOMAS M
Director, CEO and Chairman of the Board, 10% Owner
- Shares
- 6.17M
- % company
- 4.35%
- Price
- Not reported
- Value
- Not reported
Filed Jun 1, 2026
SIEBEL, THOMAS M
Director, CEO and Chairman of the Board, 10% Owner
- Shares
- 32.74K
- % company
- 0.02%
- Price
- Not reported
- Value
- Not reported
Filed Jun 1, 2026
SIEBEL, THOMAS M
Director, CEO and Chairman of the Board, 10% Owner
- Shares
- 112.01K
- % company
- 0.08%
- Price
- $8.65
- Value
- $968,921
Filed May 18, 2026
SIEBEL, THOMAS M
Director, CEO and Chairman of the Board, 10% Owner
- Shares
- 112.01K
- % company
- 0.08%
- Price
- Not reported
- Value
- Not reported
Filed May 18, 2026
SIEBEL, THOMAS M
Director, CEO and Chairman of the Board, 10% Owner
- Shares
- 112.01K
- % company
- 0.08%
- Price
- $2.04
- Value
- $228,509
Filed May 18, 2026
HYTEN, JOHN E.
Director
- Shares
- 2.50K
- % company
- <0.01%
- Price
- $8.65
- Value
- $21,625
Filed May 15, 2026
SIEBEL, THOMAS M
Director, CEO and Chairman of the Board, 10% Owner
- Shares
- 369.62K
- % company
- 0.26%
- Price
- Not reported
- Value
- Not reported
Filed May 15, 2026
| # | Insider | % company | Action | Shares | Price | Value | Filing date |
|---|---|---|---|---|---|---|---|
| 1 | SIEBEL, THOMAS M Director, CEO and Chairman of the Board, 10% Owner | 4.36% | Award / grant | 6.18M | No cash value | No cash value | Jun 3, 2026 |
| 2 | SIEBEL, THOMAS M Director, CEO and Chairman of the Board, 10% Owner | 4.36% | Sale to issuer | 6.18M | Not reported | Not reported | Jun 3, 2026 |
| 3 | SIEBEL, THOMAS M Director, CEO and Chairman of the Board, 10% Owner | 0.01% | Sale to issuer | 17.35K | $11.32 | $196,402 | Jun 2, 2026 |
| 4 | SIEBEL, THOMAS M Director, CEO and Chairman of the Board, 10% Owner | 4.35% | Award / grant | 6.17M | $11.16 | $68,820,004 | Jun 1, 2026 |
| 5 | SIEBEL, THOMAS M Director, CEO and Chairman of the Board, 10% Owner | 0.02% | Award / grant | 32.74K | No cash value | No cash value | Jun 1, 2026 |
| 6 | SIEBEL, THOMAS M Director, CEO and Chairman of the Board, 10% Owner | 4.35% | Sale to issuer | 6.17M | Not reported | Not reported | Jun 1, 2026 |
| 7 | SIEBEL, THOMAS M Director, CEO and Chairman of the Board, 10% Owner | 0.02% | Sale to issuer | 32.74K | Not reported | Not reported | Jun 1, 2026 |
| 8 | SIEBEL, THOMAS M Director, CEO and Chairman of the Board, 10% Owner | 0.08% | Sale to issuer | 112.01K | $8.65 | $968,921 | May 18, 2026 |
| 9 | SIEBEL, THOMAS M Director, CEO and Chairman of the Board, 10% Owner | 0.08% | Sale to issuer | 112.01K | Not reported | Not reported | May 18, 2026 |
| 10 | SIEBEL, THOMAS M Director, CEO and Chairman of the Board, 10% Owner | 0.08% | Award / grant | 112.01K | $2.04 | $228,509 | May 18, 2026 |
| 11 | HYTEN, JOHN E. Director | <0.01% | Sale to issuer | 2.50K | $8.65 | $21,625 | May 15, 2026 |
| 12 | SIEBEL, THOMAS M Director, CEO and Chairman of the Board, 10% Owner | 0.26% | Sale to issuer | 369.62K | Not reported | Not reported | May 15, 2026 |
Showing 12 of 120 matching Form 4 rows. Percent of company uses current shares outstanding when available.Load more insiders
Frequently asked
Common questions.
Who are the largest AI shareholders?
VANGUARD GROUP INC is the largest institutional holder in the loaded AI ownership dataset, with 14.47 million shares, or about 10.25% of shares outstanding. The table ranks additional institutions by reported share count.
What is institutional ownership of AI?
The current TECHi snapshot has 120 loaded institutional rows for C3 Ai Inc. 77 rows are marked increased or initiated, while 36 rows are marked decreased, with the latest holder filing dated Mar 31, 2026.
Where can I see C3 Ai Inc insider transactions?
The insider transaction table currently shows 120 loaded Form 4 rows for AI, with the latest insider filing dated Jun 3, 2026. It separates purchases, sales, option exercises, awards, gifts, and tax withholding so administrative transactions are not confused with open-market trades.
Are AI insiders buying or selling?
The loaded AI Form 4 rows currently read Net selling: 68 sale rows and 0 purchase rows. Awards, gifts, conversions, and tax withholding are shown separately because they do not carry the same signal as open-market buying or selling.
Who is the most active AI insider in the loaded filings?
SIEBEL, THOMAS M is the most active insider by absolute share movement in the loaded AI rows, with 36.27 million shares moving across the visible filing history. Review the action labels before treating that activity as buying or selling.