SNOWFLAKE INC SNOW
CL A · Common Stock · CUSIP 833445109 · ISIN US8334451098
Global shipping company
- SectorTechnology
- IndustryServices-Prepackaged Software
- HeadquartersMenlo Park, CA
- Websitecastormaritime.com
- FilingsSEC EDGAR
* 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 ($323.1m this quarter). Holder counts are more reliable. Shares outstanding: 352.8m as of 2026-08-21, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $254.02. Options: 84 managers hold calls ($8.1bn notional), 66 hold puts ($6.3bn).
Trends to Q2 2026
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q3 2022 | 893 |
| Q4 2022 | 896 |
| Q1 2023 | 908 |
| Q2 2023 | 980 |
| Q3 2023 | 961 |
| Q4 2023 | 1,103 |
| Q1 2024 | 1,098 |
| Q2 2024 | 1,053 |
| Q3 2024 | 984 |
| Q4 2024 | 1,119 |
| Q1 2025 | 1,158 |
| Q2 2025 | 1,302 |
| Q3 2025 | 1,343 |
| Q4 2025 | 1,397 |
| Q1 2026 | 1,284 |
| Q2 2026 | 1,457 |
Buyers vs sellers
Managers adding to or starting a position, vs cutting or selling out
Numbers
| Quarter | Bought or added | Cut or sold out |
|---|---|---|
| Q3 2024 | 483 | 517 |
| Q4 2024 | 578 | 464 |
| Q1 2025 | 661 | 461 |
| Q2 2025 | 739 | 516 |
| Q3 2025 | 735 | 527 |
| Q4 2025 | 662 | 593 |
| Q1 2026 | 669 | 692 |
| Q2 2026 | 829 | 613 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q3 2025 | $5.3bn | $4.7bn | 0.88 |
| Q4 2025 | $6.1bn | $5.1bn | 0.83 |
| Q1 2026 | $3.6bn | $2.8bn | 0.77 |
| Q2 2026 | $8.1bn | $6.3bn | 0.78 |
Biggest buyers
| PRICE T ROWE ASSOCIATES INC /MD/ | Added | +3.9m |
| BlackRock, Inc. | Added | +3.4m |
| Point72 Asset Management, L.P. | Added | +2.7m |
| LuminArx Capital Management LP | New | +2.0m |
| FRANKLIN RESOURCES INC | Added | +1.9m |
| T. Rowe Price Investment Management, Inc. | New | +1.9m |
| GEODE CAPITAL MANAGEMENT, LLC | Added | +1.6m |
| Pictet Asset Management Holding SA | Added | +1.5m |
| Nuveen, LLC | Added | +1.3m |
| CITADEL ADVISORS LLC | Added | +1.1m |
Biggest sellers
| MORGAN STANLEY | Reduced | -3.7m |
| Winslow Capital Management, LLC | Reduced | -3.2m |
| FMR LLC | Reduced | -3.1m |
| JPMORGAN CHASE & CO | Reduced | -2.0m |
| JANE STREET GROUP, LLC | Reduced | -1.7m |
| Jericho Capital Asset Management L.P. | Sold out | -1.6m |
| Qube Research & Technologies Ltd | Sold out | -1.1m |
| SEI INVESTMENTS CO | Reduced | -984.7k |
| JENNISON ASSOCIATES LLC | Reduced | -823.6k |
| IEQ CAPITAL, LLC | Reduced | -753.2k |
Biggest calls
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Added | $1.7bn6.8m shares |
| JANE STREET GROUP, LLC | Added | $1.7bn6.6m shares |
| CITADEL ADVISORS LLC | Added | $1.1bn4.4m shares |
| IMC-Chicago, LLC | Added | $683.2m2.7m shares |
| WELLS FARGO & COMPANY/MN | Unchanged | $381.8m1.5m shares |
| UBS Group AG | Added | $314.5m1.2m shares |
| Walleye Trading LLC | Added | $302.8m1.2m shares |
| BNP PARIBAS FINANCIAL MARKETS | Added | $218.9m8.6k shares |
| Optiver Holding B.V. | Added | $180.9m710.7k shares |
| PICTON MAHONEY ASSET MANAGEMENT | New | $115.5m454.0k shares |
Biggest puts
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Added | $1.4bn5.7m shares |
| JANE STREET GROUP, LLC | Added | $983.8m3.9m shares |
| CITADEL ADVISORS LLC | Added | $776.9m3.1m shares |
| IMC-Chicago, LLC | Added | $466.9m1.8m shares |
| JPMORGAN CHASE & CO | Added | $358.7m1.4m shares |
| GOLDMAN SACHS GROUP INC | Added | $335.3m1.3m shares |
| Optiver Holding B.V. | Added | $232.6m914.1k shares |
| Walleye Trading LLC | Added | $222.0m872.3k shares |
| ADAPT Investment Managers SA | New | $165.4m650.0k shares |
| BNP PARIBAS FINANCIAL MARKETS | Added | $121.1m4.8k 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 |
|---|---|
| BlackRock, Inc. 13G · institution +1.4 pts · filed 2026-07-30 | 6.4% |
| VANGUARD CAPITAL MANAGEMENT LLC 13G · institution new · filed 2026-04-30 | 5.1% |
Fell to 5% or below in the last year: VANGUARD GROUP INC (0.0%, 2026-03-27; now reported by VANGUARD CAPITAL MANAGEMENT LLC)
Insider purchases and sales since 1 Apr 2026
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 |
|---|---|---|---|---|---|
| Q4 2024 | 0 | — | 5 | $104.5m | $103.9m |
| Q1 2025 | 0 | — | 5 | $115.8m | $66.9m |
| Q2 2025 | 0 | — | 8 | $369.1m | $263.3m |
| Q3 2025 | 0 | — | 7 | $540.5m | $537.5m |
| Q4 2025 | 0 | — | 6 | $129.7m | $126.7m |
| Q1 2026 | 0 | — | 5 | $115.4m | $115.0m |
| Q2 2026 | 0 | — | 7 | $415.9m | $388.3m |
| Q3 2026 | 0 | — | 9 | $530.4m | $508.3m |
| Date | Insider | Trade | Value |
|---|---|---|---|
| 2026-09-23 | Dageville Benoit Director · Trust | Sold plan | $17.0m50.0k shares |
| 2026-09-23 | Beaulier Jonathan Mead Chief Revenue Officer | Sold | $254.0k755 shares |
| 2026-09-22 | Kleinerman Christian EVP, Product Management | Sold plan | $903.3k2.6k shares |
| 2026-09-21 | Slootman Frank Director | Sold plan | $34.5m102.8k shares |
| 2026-09-18 | Slootman Frank Director | Sold plan | $65.9m197.2k shares |
| 2026-09-16 | Beaulier Jonathan Mead Chief Revenue Officer | Sold | $4.1m12.3k shares |
| 2026-09-16 | Slootman Frank Director | Sold plan | $2.6m8.2k shares |
| 2026-09-16 | Raghunathan Vivek SVP, Engineering | Sold plan | $1.2m3.9k shares |
| 2026-09-16 | Kleinerman Christian EVP, Product Management | Sold plan | $951.1k3.0k shares |
| 2026-09-16 | Ho Emily Chief Accounting Officer | Sold | $255.7k768 shares |
| 2026-09-09 | Dageville Benoit Director | Sold plan | $16.8m50.0k shares |
| 2026-09-09 | Kleinerman Christian EVP, Product Management | Sold plan | $916.5k2.7k shares |
| 2026-09-04 | GARRETT MARK Director | Sold | $17.5m50.0k shares |
| 2026-09-04 | Speiser Michael L Director · By Trust (Rev Tr) | Sold plan | $12.0m34.0k shares |
| 2026-09-04 | Speiser Michael L Director · By Ltd Partnership | Sold plan | $4.6m13.0k shares |
| 2026-09-04 | Speiser Michael L Director · By Trust (AMS-21) | Sold plan | $297.3k840 shares |
| 2026-09-04 | Speiser Michael L Director · By Trust (ESS-21) | Sold plan | $297.3k840 shares |
| 2026-09-04 | Speiser Michael L Director · By Trust (LES-21) | Sold plan | $297.3k840 shares |
| 2026-09-04 | Speiser Michael L Director · By Trust (WWS-21) | Sold plan | $297.3k840 shares |
| 2026-09-04 | Speiser Michael L Director | Sold plan | $142.6k403 shares |
| 2026-09-03 | Kleinerman Christian EVP, Product Management | Sold plan | $3.8m10.0k shares |
| 2026-09-01 | Kleinerman Christian EVP, Product Management | Sold plan | $4.9m15.0k shares |
| 2026-08-26 | Dageville Benoit Director · Trust | Sold plan | $15.5m50.0k shares |
| 2026-08-19 | Slootman Frank Director | Sold plan | $15.7m49.0k shares |
| 2026-08-18 | Slootman Frank Director | Sold plan | $81.7m251.0k shares |
| 2026-08-12 | Dageville Benoit Director · Trust | Sold plan | $16.8m50.0k shares |
| 2026-08-07 | Speiser Michael L Director | Sold plan | $11.0m34.0k shares |
| 2026-08-07 | Kleinerman Christian EVP, Product Management | Sold plan | $8.1m25.0k shares |
| 2026-08-07 | Speiser Michael L Director · By Trust (AMS-21) | Sold plan | $4.2m13.0k shares |
| 2026-08-07 | Kleinerman Christian EVP, Product Management | Sold plan | $1.6m5.0k shares |
The latest 30 of 97 trades.
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, Q2 2026
| Manager | Shares | Change |
|---|---|---|
| BlackRock, Inc. 0.12% of their portfolio | 31.4m $8.0bn | Added +3.4m |
| VANGUARD CAPITAL MANAGEMENT LLC 0.08% of their portfolio | 15.1m $3.8bn | Added +288.7k |
| VANGUARD PORTFOLIO MANAGEMENT LLC 0.15% of their portfolio | 12.9m $3.3bn | Added +36.0k |
| JPMORGAN CHASE & CO 0.14% of their portfolio | 9.2m $2.3bn | Reduced -2.0m |
| STATE STREET CORP 0.06% of their portfolio | 8.0m $2.0bn | Added +295.3k |
| FMR LLC 0.08% of their portfolio | 7.7m $1.9bn | Reduced -3.1m |
| GEODE CAPITAL MANAGEMENT, LLC 0.09% of their portfolio | 6.4m $1.6bn | Added +1.6m |
| JENNISON ASSOCIATES LLC 0.97% of their portfolio | 6.3m $1.6bn | Reduced -823.6k |
| PRICE T ROWE ASSOCIATES INC /MD/ 0.14% of their portfolio | 5.3m $1.4bn | Added +3.9m |
| WELLINGTON MANAGEMENT GROUP LLP 0.23% of their portfolio | 5.2m $1.3bn | Reduced -197.0k |
| FRANKLIN RESOURCES INC 0.26% of their portfolio | 4.7m $1.2bn | Added +1.9m |
| Nuveen, LLC 0.28% of their portfolio | 4.7m $1.2bn | Added +1.3m |
| AQR CAPITAL MANAGEMENT LLC 0.39% of their portfolio | 4.4m $1.1bn | Reduced -482.0k |
| Pictet Asset Management Holding SA 0.99% of their portfolio | 4.1m $1.0bn | Added +1.5m |
| GOLDMAN SACHS GROUP INC 0.11% of their portfolio | 3.9m $1.0bn | Added +293.5k |
| MORGAN STANLEY 0.05% of their portfolio | 3.5m $887.2m | Reduced -3.7m |
| Jupiter Topco LLC 0.36% of their portfolio | 3.5m $880.2m | First filing |
| UBS Group AG 0.14% of their portfolio | 3.4m $861.5m | Added +128.9k |
| NORGES BANK 0.08% of their portfolio | 3.3m $850.6m | Not comparable |
| ROYAL BANK OF CANADA 0.14% of their portfolio | 3.2m $821.2m | Reduced -832 |
| BANK OF AMERICA CORP /DE/ 0.05% of their portfolio | 3.1m $792.2m | Reduced -383.8k |
| AMERICAN CENTURY COMPANIES INC 0.32% of their portfolio | 2.8m $718.6m | Added +192.6k |
| Point72 Asset Management, L.P. 1.09% of their portfolio | 2.8m $716.1m | Added +2.7m |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.13% of their portfolio | 2.8m $700.9m | Reduced -59.9k |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ 0.22% of their portfolio | 2.7m $698.3m | Added +1.0m |
| BAILLIE GIFFORD & CO 0.60% of their portfolio | 2.6m $657.7m | Reduced -92.1k |
| Invesco Ltd. 0.05% of their portfolio | 2.5m $626.4m | Reduced -186.6k |
| BANK OF MONTREAL /CAN/ 0.22% of their portfolio | 2.4m $606.2m | Reduced -62.0k |
| NORTHERN TRUST CORP 0.07% of their portfolio | 2.3m $583.0m | Added +88.4k |
| VANGUARD FIDUCIARY TRUST CO 0.12% of their portfolio | 2.2m $564.5m | Added +60.6k |
| CITADEL ADVISORS LLC 0.29% of their portfolio | 2.0m $510.8m | Added +1.1m |
| LuminArx Capital Management LP 1.59% of their portfolio | 2.0m $3.4m | New |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.07% of their portfolio | 2.0m $502.1m | Added +262.2k |
| Legal & General Group Plc 0.10% of their portfolio | 1.9m $491.1m | Reduced -13.2k |
| Altimeter Capital Management, LP 4.99% of their portfolio | 1.9m $490.2m | Unchanged |
| T. Rowe Price Investment Management, Inc. 0.31% of their portfolio | 1.9m $477.9m | New |
| AMERIPRISE FINANCIAL INC 0.10% of their portfolio | 1.9m $475.6m | Added +1.1m |
| Swedbank AB 0.41% of their portfolio | 1.9m $472.7m | Added +207.7k |
| WESTFIELD CAPITAL MANAGEMENT CO LP 1.44% of their portfolio | 1.7m $441.9m | Added +1.0m |
| Bank of New York Mellon Corp 0.07% of their portfolio | 1.7m $435.9m | Added +74.7k |
| VOYA INVESTMENT MANAGEMENT LLC 0.34% of their portfolio | 1.5m $390.7m | Added +296.2k |
| DEUTSCHE BANK AG\ 0.11% of their portfolio | 1.5m $379.0m | Added +182.8k |
| SCHRODER INVESTMENT MANAGEMENT GROUP 0.26% of their portfolio | 1.4m $362.3m | Added +691.7k |
| BARCLAYS PLC 0.11% of their portfolio | 1.4m $354.0m | Added +646.5k |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main 0.27% of their portfolio | 1.4m $345.0m | Added +224.7k |
| MILLENNIUM MANAGEMENT LLC 0.23% of their portfolio | 1.3m $342.8m | Added +1.1m |
| Polar Capital Holdings Plc 0.96% of their portfolio | 1.3m $339.2m | Added +787.2k |
| BROWN ADVISORY INC 0.52% of their portfolio | 1.3m $334.9m | Reduced -319.1k |
| Clearbridge Investments, LLC 0.26% of their portfolio | 1.2m $310.8m | Added +185.9k |
| Amundi 0.07% of their portfolio | 1.2m $303.1m | Added +75.5k |
| Harel Insurance Investments & Financial Services Ltd. 1.34% of their portfolio | 1.1m $275.6m | Reduced -88.7k |
| CANADA PENSION PLAN INVESTMENT BOARD 0.15% of their portfolio | 1.1m $273.4m | Added +258.3k |
| Optimus Prime Fund Management Co., Ltd. 19.57% of their portfolio | 1.0m $264.5m | Added +107.1k |
| Gotham Asset Management, LLC 0.61% of their portfolio | 1.0m $262.6m | Added +40.5k |
| 1832 Asset Management L.P. 0.31% of their portfolio | 1.0m $255.7m | Added +128.0k |
| MAVERICK CAPITAL LTD 2.25% of their portfolio | 977.7k $248.8m | New |
| VIKING GLOBAL INVESTORS LP 0.70% of their portfolio | 960.1k $244.4m | New |
| Swiss National Bank 0.12% of their portfolio | 926.3k $235.7m | Reduced -18.3k |
| WELLS FARGO & COMPANY/MN 0.04% of their portfolio | 918.6k $233.8m | Reduced -300.6k |
| MARSHALL WACE, LLP 0.20% of their portfolio | 912.8k $232.3m | Added +903.2k |
| WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC 0.69% of their portfolio | 901.1k $229.3m | Reduced -226.4k |
| Whale Rock Capital Management LLC 1.81% of their portfolio | 884.7k $225.2m | New |
| Squarepoint Ops LLC 0.42% of their portfolio | 849.8k $216.3m | Reduced -207.2k |
| Balyasny Asset Management L.P. 0.38% of their portfolio | 827.1k $210.5m | Added +433.9k |
| FIRST TRUST ADVISORS LP 0.12% of their portfolio | 816.6k $207.8m | Reduced -236.1k |
| Sumitomo Mitsui Trust Group, Inc. 0.12% of their portfolio | 808.0k $205.6m | Added +99.7k |
| Kinetic Partners Management, LP 4.89% of their portfolio | 805.0k $204.9m | New |
| RAYMOND JAMES FINANCIAL INC 0.05% of their portfolio | 741.0k $188.6m | Added +290.7k |
| ENVESTNET ASSET MANAGEMENT INC 0.04% of their portfolio | 737.8k $187.8m | Reduced -74.8k |
| FEDERATED HERMES, INC. 0.26% of their portfolio | 701.6k $178.6m | Added +359.2k |
| National Pension Service 0.11% of their portfolio | 690.3k $175.7m | Added +21.9k |
| Assenagon Asset Management S.A. 0.11% of their portfolio | 673.9k $171.5m | Added +584.6k |
| VANGUARD ASSET MANAGEMENT, Ltd 0.11% of their portfolio | 651.3k $165.8m | Added +80.6k |
| CITIGROUP INC 0.07% of their portfolio | 632.6k $161.0m | Reduced -155.7k |
| FRED ALGER MANAGEMENT, LLC 0.53% of their portfolio | 623.9k $158.8m | New |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. 0.16% of their portfolio | 612.2k $155.8m | Added +41.5k |
| Freestone Grove Partners LP 0.91% of their portfolio | 546.9k $139.2m | New |
| Bank Julius Baer & Co. Ltd, Zurich 0.36% of their portfolio | 546.2k $138.8m | Reduced -40.2k |
| California Public Employees Retirement System 0.08% of their portfolio | 545.4k $138.8m | Added +7.2k |
| Woodline Partners LP 0.41% of their portfolio | 527.2k $134.2m | Added +6.1k |
| TimesSquare Capital Management, LLC 1.97% of their portfolio | 527.2k $134.2m | Added +321.1k |
| Russell Investments Group, Ltd. 0.12% of their portfolio | 516.8k $131.3m | Added +73.4k |
| Avala Global LP 4.75% of their portfolio | 505.7k $128.7m | New |
| NOMURA ASSET MANAGEMENT INTERNATIONAL INC. 0.19% of their portfolio | 501.7k $127.7m | Added +27.2k |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.12% of their portfolio | 500.4k $127.3m | Added +11.4k |
| VICTORY CAPITAL MANAGEMENT INC 0.07% of their portfolio | 500.1k $127.3m | Added +194.6k |
| LPL Financial LLC 0.03% of their portfolio | 481.4k $122.5m | Added +21.1k |
| Rockefeller Capital Management L.P. 0.18% of their portfolio | 459.4k $116.9m | Added +36.5k |
| Holocene Advisors, LP 0.26% of their portfolio | 447.0k $113.8m | Added +274.6k |
| Artisan Partners Limited Partnership 0.18% of their portfolio | 443.9k $113.0m | Reduced -218.8k |
| RHUMBLINE ADVISERS 0.08% of their portfolio | 442.7k $112.7m | Added +3.6k |
| SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC 2.91% of their portfolio | 440.4k $112.1m | New |
| NEUBERGER BERMAN GROUP LLC 0.07% of their portfolio | 434.8k $110.7m | Added +112.2k |
| DIMENSIONAL FUND ADVISORS LP 0.02% of their portfolio | 421.2k $107.2m | Reduced -7.6k |
| IEQ CAPITAL, LLC 0.49% of their portfolio | 414.6k $105.5m | Reduced -753.2k |
| BNP PARIBAS FINANCIAL MARKETS 0.05% of their portfolio | 409.0k $104.1m | Reduced -71.6k |
| Mitsubishi UFJ Asset Management Co., Ltd. 0.06% of their portfolio | 403.0k $102.6m | Added +36.8k |
| ZEVENBERGEN CAPITAL INVESTMENTS LLC 2.14% of their portfolio | 368.3k $93.7m | Reduced -64.8k |
| ALLIANCEBERNSTEIN L.P. 0.02% of their portfolio | 367.7k $55.5m | Added +145.6k |
| Manchester Global Management (UK) Ltd 10.20% of their portfolio | 363.2k $92.4m | Added +109.0k |