C3 AI INC AI
CL A · Common Stock · CUSIP 12468P104 · ISIN US12468P1049
* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($1.6m this quarter). Holder counts are more reliable. Implied quarter-end price ≈ $13.48. Options: 37 managers hold calls ($319.1m notional), 28 hold puts ($190.6m).
Trends to Q4 2025
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q3 2022 | 224 |
| Q4 2022 | 219 |
| Q1 2023 | 303 |
| Q2 2023 | 317 |
| Q3 2023 | 297 |
| Q4 2023 | 314 |
| Q1 2024 | 307 |
| Q2 2024 | 338 |
| Q3 2024 | 317 |
| Q4 2024 | 375 |
| Q1 2025 | 344 |
| Q2 2025 | 377 |
| Q3 2025 | 329 |
| Q4 2025 | 344 |
Buyers vs sellers
Managers adding to or starting a position, vs cutting or selling out
Numbers
| Quarter | Bought or added | Cut or sold out |
|---|---|---|
| Q1 2024 | 152 | 135 |
| Q2 2024 | 173 | 136 |
| Q3 2024 | 137 | 158 |
| Q4 2024 | 181 | 144 |
| Q1 2025 | 193 | 149 |
| Q2 2025 | 202 | 153 |
| Q3 2025 | 161 | 193 |
| Q4 2025 | 169 | 152 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q1 2025 | $288.1m | $255.0m | 0.89 |
| Q2 2025 | $485.8m | $331.3m | 0.68 |
| Q3 2025 | $531.5m | $296.2m | 0.56 |
| Q4 2025 | $319.1m | $190.6m | 0.60 |
Biggest buyers
| BANK OF AMERICA CORP /DE/ | Added | +1.5m |
| BlackRock, Inc. | Added | +1.1m |
| GOLDMAN SACHS GROUP INC | Added | +795.5k |
| NATIONAL BANK OF CANADA /FI/ | Added | +787.7k |
| MILLENNIUM MANAGEMENT LLC | Added | +735.8k |
| VOLORIDGE INVESTMENT MANAGEMENT, LLC | New | +681.3k |
| FEDERATED HERMES, INC. | Added | +674.7k |
| BNP PARIBAS FINANCIAL MARKETS | Added | +588.4k |
| Point72 Asset Management, L.P. | New | +586.0k |
| MARSHALL WACE, LLP | Added | +493.5k |
Biggest sellers
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | -2.0m |
| RENAISSANCE TECHNOLOGIES LLC | Sold out | -980.6k |
| Connor, Clark & Lunn Investment Management Ltd. | Sold out | -463.6k |
| OLD MISSION CAPITAL LLC | Sold out | -384.1k |
| D. E. Shaw & Co., Inc. | Reduced | -281.0k |
| Quantbot Technologies LP | Reduced | -251.6k |
| DIMENSIONAL FUND ADVISORS LP | Reduced | -235.0k |
| TWINBEECH CAPITAL LP | Sold out | -175.9k |
| Holocene Advisors, LP | Sold out | -162.7k |
| Verition Fund Management LLC | Sold out | -159.8k |
Biggest calls
| Tidal Investments LLC | Added | $111.8m8.3m shares |
| CITADEL ADVISORS LLC | Reduced | $37.6m2.8m shares |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | $35.0m2.6m shares |
| JANE STREET GROUP, LLC | Reduced | $24.3m1.8m shares |
| PEAK6 LLC | Reduced | $16.5m1.2m shares |
| IMC-Chicago, LLC | Reduced | $11.2m827.5k shares |
| SIMPLEX TRADING, LLC | Reduced | $11.0m818.2k shares |
| CAPITAL FUND MANAGEMENT S.A. | Added | $10.7m794.0k shares |
| TUDOR INVESTMENT CORP ET AL | Reduced | $10.6m786.7k shares |
| Point72 Asset Management, L.P. | New | $9.2m680.7k shares |
Biggest puts
| NATIONAL BANK OF CANADA /FI/ | Added | $44.4m32.9k shares |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | $26.2m1.9m shares |
| JANE STREET GROUP, LLC | Reduced | $22.1m1.6m shares |
| CITADEL ADVISORS LLC | Reduced | $16.2m1.2m shares |
| GOLDMAN SACHS GROUP INC | Reduced | $13.5m1.0m shares |
| PEAK6 LLC | Reduced | $13.1m969.2k shares |
| TUDOR INVESTMENT CORP ET AL | Reduced | $7.0m516.3k shares |
| BNP PARIBAS FINANCIAL MARKETS | Added | $6.1m4.5k shares |
| Point72 Asset Management, L.P. | New | $5.5m408.9k shares |
| Crawford Fund Management, LLC | Reduced | $5.4m397.0k shares |
Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.
Major shareholders (over 5%)
Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.
| Holder | Stake |
|---|---|
| SIEBEL THOMAS M 13G · exempt (held before listing) -1.9 pts · filed 2026-05-15 | 15.3% |
| BlackRock, Inc. 13G · institution -1.2 pts · filed 2026-04-24 | 6.8% |
| VANGUARD PORTFOLIO MANAGEMENT LLC 13G · institution new · filed 2026-04-29 | 6.1% |
Fell to 5% or below in the last year: VANGUARD GROUP INC (0.0%, 2026-03-26; now reported by VANGUARD PORTFOLIO MANAGEMENT LLC), SUSQUEHANNA SECURITIES, LLC (2.9%, 2026-02-13)
Insider purchases and sales in Q4 2025
Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.
Officers and directors buying vs selling
Number of people, by quarter (10% owners not included)
Numbers
| Quarter | Buying | Bought | Selling | Sold | Sold under a plan |
|---|---|---|---|---|---|
| Q1 2024 | 0 | — | 0 | — | — |
| Q2 2024 | 0 | — | 1 | $82.8k | $82.8k |
| Q3 2024 | 0 | — | 0 | — | — |
| Q4 2024 | 0 | — | 7 | $34.4m | $12.7m |
| Q1 2025 | 0 | — | 4 | $57.2m | $57.2m |
| Q2 2025 | 0 | — | 7 | $47.1m | $45.3m |
| Q3 2025 | 0 | — | 2 | $46.5m | $36.3m |
| Q4 2025 | 0 | — | 4 | $39.0m | $34.5m |
| Date | Insider | Trade | Value |
|---|---|---|---|
| 2025-12-31 | Ehikian Stephen Bradley Chief Executive Officer | Sold | $3.2m234.9k shares |
| 2025-12-17 | SIEBEL THOMAS M Executive Chairman, director · See Footnote | Sold plan | $2.0m140.8k shares |
| 2025-12-16 | SIEBEL THOMAS M Executive Chairman, director · See Footnote | Sold plan | $5.6m392.1k shares |
| 2025-12-16 | Lath Hitesh CHIEF FINANCIAL OFFICER | Sold | $216.3k15.0k shares |
| 2025-12-12 | SIEBEL THOMAS M Executive Chairman, director | Sold | $366.6k23.0k shares |
| 2025-12-02 | SIEBEL THOMAS M Executive Chairman, director | Sold | $241.6k17.0k shares |
| 2025-11-11 | SIEBEL THOMAS M Executive Chairman, director · See Footnote | Sold plan | $8.3m543.7k shares |
| 2025-11-03 | SIEBEL THOMAS M Executive Chairman, director | Sold | $476.5k27.5k shares |
| 2025-10-14 | SIEBEL THOMAS M Executive Chairman, director · See Footnote | Sold plan | $10.4m554.8k shares |
| 2025-10-01 | Schilling Robert David EVP & Chief Commercial Officer | Sold plan | $8.1m470.4k shares |
Their holding: how much the trade added to or took from the insider's holding (direct, or the trust or fund named). The same trade is sometimes reported by more than one insider, such as a fund and the director who represents it; totals count it once. A value is left blank where the reported price is far from the market price (usually a typo).
Holders, Q4 2025
| Manager | Shares | Change |
|---|---|---|
| VANGUARD GROUP INC 0.00% of their portfolio | 14.5m $195.1m | Added +108.0k |
| BlackRock, Inc. 0.00% of their portfolio | 11.4m $153.6m | Added +1.1m |
| MORGAN STANLEY 0.00% of their portfolio | 4.8m $65.0m | Added +91.8k |
| GOLDMAN SACHS GROUP INC 0.01% of their portfolio | 3.3m $44.9m | Added +795.5k |
| STATE STREET CORP 0.00% of their portfolio | 3.0m $40.1m | Added +94.1k |
| GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio | 2.9m $38.7m | Added +21.5k |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.05% of their portfolio | 2.6m $34.5m | Added +130.9k |
| BANK OF AMERICA CORP /DE/ 0.00% of their portfolio | 2.1m $28.5m | Added +1.5m |
| DIMENSIONAL FUND ADVISORS LP 0.00% of their portfolio | 1.6m $21.2m | Reduced -235.0k |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.02% of their portfolio | 1.3m $17.2m | Reduced -2.0m |
| TWO SIGMA INVESTMENTS, LP 0.02% of their portfolio | 1.1m $14.2m | Added +278.8k |
| JANE STREET GROUP, LLC 0.02% of their portfolio | 1.0m $14.1m | Added +365.0k |
| CITADEL ADVISORS LLC 0.01% of their portfolio | 1.0m $13.9m | Added +12.6k |
| MILLENNIUM MANAGEMENT LLC 0.01% of their portfolio | 1.0m $13.8m | Added +735.8k |
| MARSHALL WACE, LLP 0.01% of their portfolio | 1.0m $13.7m | Added +493.5k |
| NORTHERN TRUST CORP 0.00% of their portfolio | 1.0m $13.7m | Reduced -71.6k |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.00% of their portfolio | 900.0k $12.1m | Reduced -108.4k |
| NATIONAL BANK OF CANADA /FI/ 0.01% of their portfolio | 884.5k $11.9m | Added +787.7k |
| BNP PARIBAS FINANCIAL MARKETS 0.01% of their portfolio | 841.4k $11.3m | Added +588.4k |
| FIRST TRUST ADVISORS LP 0.01% of their portfolio | 726.6k $9.8m | Added +195.3k |
| Bank of New York Mellon Corp 0.00% of their portfolio | 685.1k $9.2m | Added +71.9k |
| VOLORIDGE INVESTMENT MANAGEMENT, LLC 0.03% of their portfolio | 681.3k $9.2m | New |
| FEDERATED HERMES, INC. 0.02% of their portfolio | 675.4k $9.1m | Added +674.7k |
| CANADA PENSION PLAN INVESTMENT BOARD 0.01% of their portfolio | 670.3k $9.0m | Added +282.8k |
| UBS Group AG 0.00% of their portfolio | 657.5k $8.9m | Reduced -131.7k |
| CAPITAL FUND MANAGEMENT S.A. 0.08% of their portfolio | 607.6k $8.2m | Added +458.9k |
| EVR Research LP 4.37% of their portfolio | 600.4k $8.1m | Added +415.0k |
| Point72 Asset Management, L.P. 0.01% of their portfolio | 586.0k $7.9m | New |
| JPMORGAN CHASE & CO 0.00% of their portfolio | 575.6k $7.8m | Added +343.3k |
| TWO SIGMA ADVISERS, LP 0.02% of their portfolio | 572.4k $7.7m | Added +381.5k |
| BARCLAYS PLC 0.00% of their portfolio | 540.8k $7.3m | Added +207.9k |
| Cerity Partners LLC 0.01% of their portfolio | 476.7k $6.4m | Reduced -715 |
| Invesco Ltd. 0.00% of their portfolio | 452.7k $6.1m | Added +103.1k |
| SG Americas Securities, LLC 0.01% of their portfolio | 384.5k $5.2m | Added +205.6k |
| Atom Investors LP 0.40% of their portfolio | 374.4k $5.0m | Added +311.8k |
| NORGES BANK 0.00% of their portfolio | 356.2k $4.8m | Not comparable |
| PHILADELPHIA TRUST CO 0.32% of their portfolio | 347.8k $4.7m | Reduced -25.8k |
| Nuveen, LLC 0.00% of their portfolio | 339.1k $4.6m | Added +64.4k |
| Optiver Holding B.V. 0.08% of their portfolio | 320.1k $4.3m | Added +294.4k |
| D. E. Shaw & Co., Inc. 0.00% of their portfolio | 317.8k $4.3m | Reduced -281.0k |
| Quantbot Technologies LP 0.14% of their portfolio | 302.9k $4.1m | Reduced -251.6k |
| Aquatic Capital Management LLC 0.10% of their portfolio | 262.6k $3.5m | Added +395 |
| Swiss National Bank 0.00% of their portfolio | 251.7k $3.4m | Added +10.6k |
| WELLS FARGO & COMPANY/MN 0.00% of their portfolio | 251.5k $3.4m | Added +39.6k |
| Balyasny Asset Management L.P. 0.01% of their portfolio | 245.2k $3.3m | Added +221.2k |
| JACOBS LEVY EQUITY MANAGEMENT, INC 0.01% of their portfolio | 237.2k $3.2m | New |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% of their portfolio | 235.3k $3.2m | Added +22.6k |
| Squarepoint Ops LLC 0.01% of their portfolio | 235.3k $3.2m | Added +219.7k |
| PEAK6 LLC 0.04% of their portfolio | 233.6k $3.1m | Added +111.0k |
| Deeter Investments LLP 0.66% of their portfolio | 228.0k $3.1m | First filing |
| Tidal Investments LLC 0.01% of their portfolio | 223.9k $3.0m | Added +34.9k |
| DOW CHEMICAL CO /DE/ 1.46% of their portfolio | 222.1k $3.0m | Unchanged |
| Tiller Private Wealth, Inc. 1.07% of their portfolio | 222.1k $3.0m | Added +6.4k |
| HSBC HOLDINGS PLC 0.00% of their portfolio | 219.8k $3.0m | Added +183.2k |
| Parallax Volatility Advisers, L.P. 0.09% of their portfolio | 204.2k $2.8m | New |
| CITIGROUP INC 0.00% of their portfolio | 192.5k $2.6m | Reduced -47.2k |
| Edgestream Partners, L.P. 0.07% of their portfolio | 189.5k $2.6m | Reduced -91.8k |
| HRT FINANCIAL LP 0.01% of their portfolio | 185.7k $2.5m | Reduced -15.5k |
| LPL Financial LLC 0.00% of their portfolio | 184.3k $2.5m | Reduced -43.5k |
| Perigon Wealth Management, LLC 0.04% of their portfolio | 184.0k $2.5m | Unchanged |
| VARCOV Co. 0.95% of their portfolio | 178.7k $2.4m | First filing |
| Neo Ivy Capital Management 0.37% of their portfolio | 174.9k $2.4m | Added +58.9k |
| Schonfeld Strategic Advisors LLC 0.01% of their portfolio | 169.9k $2.3m | Reduced -7.6k |
| RHUMBLINE ADVISERS 0.00% of their portfolio | 164.4k $2.2m | Reduced -13.0k |
| Walleye Trading LLC 0.04% of their portfolio | 163.8k $2.2m | Added +69.0k |
| ALLIANCEBERNSTEIN L.P. 0.00% of their portfolio | 151.5k $2.0m | Reduced -86 |
| Russell Investments Group, Ltd. 0.00% of their portfolio | 146.5k $2.0m | Added +74.9k |
| GROUP ONE TRADING LLC 0.06% of their portfolio | 143.5k $1.9m | Added +50.5k |
| Entropy Technologies, LP 0.10% of their portfolio | 138.5k $1.9m | Added +794 |
| Cambridge Investment Research Advisors, Inc. 0.00% of their portfolio | 137.4k $1.9m | Added +68.0k |
| Trexquant Investment LP 0.02% of their portfolio | 132.6k $1.8m | New |
| Mitsubishi UFJ Asset Management Co., Ltd. 0.00% of their portfolio | 129.8k $1.8m | Added +82.1k |
| PRICE T ROWE ASSOCIATES INC /MD/ 0.00% of their portfolio | 125.2k $1.7m | Added +18.1k |
| Legal & General Group Plc 0.00% of their portfolio | 124.1k $1.7m | Reduced -3.2k |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.00% of their portfolio | 121.6k $1.6m | Added +4.9k |
| SUSQUEHANNA FUNDAMENTAL INVESTMENTS, LLC 0.05% of their portfolio | 114.3k $1.5m | New |
| MML INVESTORS SERVICES, LLC 0.00% of their portfolio | 108.5k $1.5m | Added +97.8k |
| SBI Securities Co., Ltd. 0.04% of their portfolio | 107.6k $1.5m | Reduced -7.9k |
| GSA CAPITAL PARTNERS LLP 0.12% of their portfolio | 106.6k $1.4m | New |
| Quantinno Capital Management LP 0.00% of their portfolio | 105.3k $1.4m | Added +14.2k |
| DEUTSCHE BANK AG\ 0.00% of their portfolio | 102.9k $1.4m | Added +4.7k |
| Cresset Asset Management, LLC 0.01% of their portfolio | 98.2k $1.3m | Added +4.6k |
| Creative Planning 0.00% of their portfolio | 97.5k $1.3m | Added +23.5k |
| Cetera Investment Advisers 0.00% of their portfolio | 95.3k $1.3m | Reduced -12.8k |
| Campbell & CO Investment Adviser LLC 0.06% of their portfolio | 94.6k $1.3m | New |
| Engineers Gate Manager LP 0.01% of their portfolio | 93.7k $1.3m | Added +6.4k |
| DARK FOREST CAPITAL MANAGEMENT LP 0.05% of their portfolio | 89.0k $1.2m | New |
| PDT Partners, LLC 0.07% of their portfolio | 83.8k $1.1m | New |
| Naviter Wealth, LLC 0.13% of their portfolio | 74.6k $1.0m | New |
| MetLife Investment Management, LLC 0.00% of their portfolio | 72.5k $977.4k | Unchanged |
| Vontobel Holding Ltd. 0.00% of their portfolio | 71.8k $968.2k | Added +14.0k |
| Shearwater Capital LLC 0.52% of their portfolio | 67.3k $906.9k | Unchanged |
| Themes Management Co LLC 0.72% of their portfolio | 67.2k $906.2k | First filing |
| Virtu Financial LLC 0.03% of their portfolio | 64.6k $871.0k | New |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE 0.00% of their portfolio | 62.1k $837.4k | Reduced -1.1k |
| INTECH INVESTMENT MANAGEMENT LLC 0.01% of their portfolio | 57.6k $776.7k | Reduced -17.9k |
| Walleye Capital LLC 0.00% of their portfolio | 53.2k $717.5k | Added +50.5k |
| OSAIC HOLDINGS, INC. 0.00% of their portfolio | 52.7k $709.9k | Reduced -24.7k |
| Zurcher Kantonalbank (Zurich Cantonalbank) 0.00% of their portfolio | 52.3k $704.8k | Reduced -30 |
| JANUS HENDERSON GROUP PLC 0.00% of their portfolio | 52.2k $703.2k | Unchanged |