CLOUDFLARE INC NET
CL A COM · Common Stock · CUSIP 18915M107 · ISIN US18915M1071
American internet infrastructure and website security company
- SectorTechnology
- IndustryServices-Prepackaged Software
- HeadquartersSan Francisco, CA
- Founded2009
- Websitecloudflare.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 ($10.5m this quarter). Holder counts are more reliable. Implied quarter-end price ≈ $61.66. Options: 35 managers hold calls ($517.2m notional), 29 hold puts ($544.8m).
Trends to Q1 2023
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q3 2022 | 562 |
| Q4 2022 | 548 |
| Q1 2023 | 571 |
Buyers vs sellers
Managers adding to or starting a position, vs cutting or selling out
Numbers
| Quarter | Bought or added | Cut or sold out |
|---|---|---|
| Q4 2022 | 280 | 245 |
| Q1 2023 | 296 | 229 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q3 2022 | $15.9bn | $483.3m | 0.03 |
| Q4 2022 | $657.4m | $498.9m | 0.76 |
| Q1 2023 | $517.2m | $544.8m | 1.05 |
Biggest buyers
| FMR LLC | Added | +16.8m |
| VOYA INVESTMENT MANAGEMENT LLC | Added | +2.6m |
| LORD, ABBETT & CO. LLC | Added | +1.6m |
| 1832 Asset Management L.P. | Added | +1.4m |
| Capital World Investors | Added | +1.0m |
| MORGAN STANLEY | Added | +982.4k |
| TWO SIGMA INVESTMENTS, LP | Added | +918.1k |
| Balyasny Asset Management L.P. | Added | +522.9k |
| BANK OF AMERICA CORP /DE/ | Added | +501.6k |
| Polar Capital Holdings Plc | Added | +434.5k |
Biggest sellers
| Legal & General Group Plc | Reduced | -1.7m |
| FIRST TRUST ADVISORS LP | Reduced | -1.1m |
| SANDS CAPITAL MANAGEMENT, LLC | Reduced | -791.1k |
| GOLDMAN SACHS GROUP INC | Reduced | -757.6k |
| MILLENNIUM MANAGEMENT LLC | Sold out | -695.7k |
| NEA Management Company, LLC | Reduced | -624.6k |
| BAILLIE GIFFORD & CO | Reduced | -617.7k |
| HBK Sorce Advisory LLC | Sold out | -449.6k |
| MARSHALL WACE, LLP | Reduced | -434.3k |
| BANK OF MONTREAL /CAN/ | Reduced | -324.5k |
Biggest calls
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | $99.2m1.6m shares |
| CITADEL ADVISORS LLC | Reduced | $61.6m999.4k shares |
| JANE STREET GROUP, LLC | Reduced | $45.1m731.0k shares |
| Parallax Volatility Advisers, L.P. | Reduced | $43.5m705.2k shares |
| Twin Tree Management, LP | Added | $42.3m686.4k shares |
| SIMPLEX TRADING, LLC | Reduced | $30.1m488.0k shares |
| CTC LLC | Reduced | $22.7m3.9k shares |
| D. E. Shaw & Co., Inc. | Reduced | $20.8m336.9k shares |
| Walleye Trading LLC | Reduced | $20.4m331.4k shares |
| HSBC HOLDINGS PLC | Added | $18.4m299.5k shares |
Biggest puts
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Added | $98.6m1.6m shares |
| CITADEL ADVISORS LLC | Reduced | $67.3m1.1m shares |
| Parallax Volatility Advisers, L.P. | Reduced | $50.2m814.2k shares |
| JANE STREET GROUP, LLC | Added | $48.4m784.9k shares |
| Twin Tree Management, LP | Reduced | $44.0m713.4k shares |
| SIMPLEX TRADING, LLC | Added | $33.8m547.8k shares |
| CTC LLC | Added | $29.6m5.0k shares |
| Walleye Trading LLC | Reduced | $22.4m363.1k shares |
| IMC-Chicago, LLC | Added | $20.1m325.3k shares |
| Alyeska Investment Group, L.P. | New | $18.5m300.0k 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 |
|---|---|
| Prince Matthew 13G · exempt (held before listing) filed 2026-02-13 | 7.7% |
| Capital World Investors 13G · institution -4.2 pts · filed 2026-05-14 | 7.3% |
| VANGUARD CAPITAL MANAGEMENT LLC 13G · institution new · filed 2026-04-29 | 5.2% |
| VANGUARD PORTFOLIO MANAGEMENT LLC 13G · institution new · filed 2026-04-29 | 5.1% |
Fell to 5% or below in the last year: BAILLIE GIFFORD & CO (4.6%, 2026-07-24), VANGUARD GROUP INC (0.0%, 2026-03-26; now reported by VANGUARD CAPITAL MANAGEMENT LLC), MORGAN STANLEY (5.3%, 2026-02-12)
Insider purchases and sales in Q1 2023
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 |
|---|---|---|---|---|---|
| Q2 2021 | 0 | — | 0 | — | — |
| Q3 2021 | 0 | — | 0 | — | — |
| Q4 2021 | 0 | — | 8 | $191.4m | — |
| Q1 2022 | 0 | — | 9 | $83.1m | — |
| Q2 2022 | 1 | $941.6k | 8 | $57.6m | — |
| Q3 2022 | 0 | — | 3 | $31.1m | — |
| Q4 2022 | 0 | — | 3 | $32.2m | — |
| Q1 2023 | 0 | — | 3 | $37.4m | $3.8m |
| Date | Insider | Trade | Value |
|---|---|---|---|
| 2023-03-31 | SEIFERT THOMAS J Chief Financial Officer | Sold plan | $2.7m44.8k shares |
| 2023-03-30 | SEIFERT THOMAS J Chief Financial Officer | Sold plan | $313.2k5.2k shares |
| 2023-03-20 | SEIFERT THOMAS J Chief Financial Officer | Sold plan | $803.5k15.0k shares |
| 2023-03-08 | Prince Matthew CEO & Chair of the Board, director · See footnote | Sold | $3.1m52.4k shares |
| 2023-03-07 | Prince Matthew CEO & Chair of the Board, director · See footnote | Sold | $3.1m52.4k shares |
| 2023-03-06 | Prince Matthew CEO & Chair of the Board, director · See footnote | Sold | $3.2m52.4k shares |
| 2023-03-02 | Kramer Douglas James General Counsel | Sold | $172.5k3.0k shares |
| 2023-02-27 | SEIFERT THOMAS J Chief Financial Officer | Sold | $1.2m20.0k shares |
| 2023-02-17 | SEIFERT THOMAS J Chief Financial Officer | Sold | $983.3k15.2k shares |
| 2023-02-15 | Prince Matthew CEO & Chair of the Board, director · See footnote | Sold | $3.7m52.4k shares |
| 2023-02-15 | Kramer Douglas James General Counsel | Sold | $239.4k3.5k shares |
| 2023-02-14 | Prince Matthew CEO & Chair of the Board, director · See footnote | Sold | $3.5m52.4k shares |
| 2023-02-13 | Prince Matthew CEO & Chair of the Board, director · See footnote | Sold | $3.3m52.4k shares |
| 2023-02-13 | SEIFERT THOMAS J Chief Financial Officer | Sold | $1.3m20.0k shares |
| 2023-02-02 | Kramer Douglas James General Counsel | Sold | $211.6k3.5k shares |
| 2023-02-01 | Kramer Douglas James General Counsel | Sold | $186.9k3.5k shares |
| 2023-01-30 | SEIFERT THOMAS J Chief Financial Officer | Sold | $1.0m20.0k shares |
| 2023-01-27 | Kramer Douglas James General Counsel | Sold | $175.0k3.5k shares |
| 2023-01-17 | SEIFERT THOMAS J Chief Financial Officer | Sold | $901.4k20.0k shares |
| 2023-01-06 | Prince Matthew CEO & Chair of the Board, director · See footnote | Sold | $3.0m74.7k shares |
| 2023-01-05 | Prince Matthew CEO & Chair of the Board, director · See footnote | Sold | $1.2m30.1k shares |
| 2023-01-04 | Prince Matthew CEO & Chair of the Board, director · See footnote | Sold | $2.3m52.4k shares |
| 2023-01-03 | SEIFERT THOMAS J Chief Financial Officer | Sold | $873.9k20.0k 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, Q1 2023
| Manager | Shares | Change |
|---|---|---|
| FMR LLC 0.09% of their portfolio | 33.3m $2.1bn | Added +16.8m |
| MORGAN STANLEY 0.21% of their portfolio | 32.3m $2.0bn | Added +982.4k |
| VANGUARD GROUP INC 0.04% of their portfolio | 26.3m $1.6bn | Added +431.2k |
| BAILLIE GIFFORD & CO 1.43% of their portfolio | 25.7m $1.6bn | Reduced -617.7k |
| Capital World Investors 0.22% of their portfolio | 16.9m $1.0bn | Added +1.0m |
| BlackRock Inc. 0.03% of their portfolio | 15.7m $968.8m | Added +314.4k |
| SANDS CAPITAL MANAGEMENT, LLC 2.98% of their portfolio | 14.7m $904.1m | Reduced -791.1k |
| STATE STREET CORP 0.02% of their portfolio | 5.6m $345.9m | Added +148.5k |
| FIRST TRUST ADVISORS LP 0.37% of their portfolio | 5.2m $322.1m | Reduced -1.1m |
| VOYA INVESTMENT MANAGEMENT LLC 0.33% of their portfolio | 5.0m $310.0m | Added +2.6m |
| GEODE CAPITAL MANAGEMENT, LLC 0.03% of their portfolio | 3.8m $233.8m | Added +146.5k |
| FRANKLIN RESOURCES INC 0.10% of their portfolio | 3.1m $194.1m | Reduced -187.7k |
| LORD, ABBETT & CO. LLC 0.34% of their portfolio | 3.1m $191.0m | Added +1.6m |
| NORGES BANK 0.04% of their portfolio | 2.9m $176.4m | Added +104.7k |
| GILDER GAGNON HOWE & CO LLC 2.82% of their portfolio | 2.8m $170.3m | Reduced -294.4k |
| MARSHALL WACE, LLP 0.34% of their portfolio | 2.2m $136.3m | Reduced -434.3k |
| 1832 Asset Management L.P. 0.24% of their portfolio | 1.9m $116.4m | Added +1.4m |
| Polar Capital Holdings Plc 0.81% of their portfolio | 1.8m $110.4m | Added +434.5k |
| NORTHERN TRUST CORP 0.02% of their portfolio | 1.7m $105.3m | Added +21.2k |
| Sumitomo Mitsui Trust Group, Inc. 0.07% of their portfolio | 1.6m $99.9m | Added +86.9k |
| Legal & General Group Plc 0.03% of their portfolio | 1.6m $96.2m | Reduced -1.7m |
| Optimus Prime Fund Management Co., Ltd. 13.13% of their portfolio | 1.5m $93.4m | Added +97.4k |
| BANK OF AMERICA CORP /DE/ 0.01% of their portfolio | 1.4m $83.5m | Added +501.6k |
| Strategy Capital LLC 13.33% of their portfolio | 1.4m $83.4m | Reduced -149.0k |
| TWO SIGMA INVESTMENTS, LP 0.25% of their portfolio | 1.3m $82.9m | Added +918.1k |
| DEUTSCHE BANK AG\ 0.05% of their portfolio | 1.3m $82.4m | Added +150.5k |
| Bank of New York Mellon Corp 0.02% of their portfolio | 1.3m $81.0m | Reduced -19.5k |
| ROYAL BANK OF CANADA 0.02% of their portfolio | 1.3m $80.2m | Reduced -207.3k |
| Alfreton Capital LLP 37.50% of their portfolio | 1.3m $80.2m | Unchanged |
| AMERICAN CENTURY COMPANIES INC 0.06% of their portfolio | 1.3m $78.7m | Reduced -103.6k |
| NEA Management Company, LLC 5.32% of their portfolio | 1.2m $77.0m | Reduced -624.6k |
| Mitsubishi UFJ Trust & Banking Corp 0.18% of their portfolio | 1.2m $72.7m | Reduced -51.5k |
| ETF MANAGERS GROUP, LLC 2.14% of their portfolio | 1.1m $66.4m | Reduced -282.2k |
| SW Investment Management LLC 26.14% of their portfolio | 1.1m $64.7m | Unchanged |
| CREDIT SUISSE AG/ 0.06% of their portfolio | 1.0m $63.3m | Added +85.2k |
| Swiss National Bank 0.04% of their portfolio | 1.0m $62.7m | Reduced -18.3k |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.03% of their portfolio | 965.9k $59.6m | Added +60.6k |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.02% of their portfolio | 948.8k $58.5m | Added +20.3k |
| GOLDMAN SACHS GROUP INC 0.02% of their portfolio | 945.5k $58.3m | Reduced -757.6k |
| BESSEMER GROUP INC 0.13% of their portfolio | 912.0k $56.2m | Added +21.1k |
| BAMCO INC /NY/ 0.16% of their portfolio | 890.2k $54.9m | Added +50.0k |
| Amova Asset Management Americas, Inc. 0.61% of their portfolio | 884.4k $53.4m | Added +89.6k |
| TWO SIGMA ADVISERS, LP 0.13% of their portfolio | 822.9k $50.7m | Reduced -228.9k |
| Squarepoint Ops LLC 0.36% of their portfolio | 817.5k $50.4m | Added +275.5k |
| Amundi 0.02% of their portfolio | 792.1k $45.7m | Reduced -168.4k |
| Nuveen Asset Management, LLC 0.02% of their portfolio | 788.9k $48.6m | Reduced -17.1k |
| Balyasny Asset Management L.P. 0.12% of their portfolio | 581.8k $35.9m | Added +522.9k |
| AMERIPRISE FINANCIAL INC 0.01% of their portfolio | 547.1k $33.7m | Added +23.6k |
| PEREGRINE CAPITAL MANAGEMENT LLC 0.94% of their portfolio | 528.2k $32.6m | Added +3.8k |
| BANK OF MONTREAL /CAN/ 0.01% of their portfolio | 525.4k $32.6m | Reduced -324.5k |
| CITADEL ADVISORS LLC 0.03% of their portfolio | 504.5k $31.1m | Added +299.3k |
| LONG WALK MANAGEMENT LP 27.46% of their portfolio | 499.0k $30.8m | Reduced -31.0k |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 0.04% of their portfolio | 475.9k $29.3m | Added +277.4k |
| LA FINANCIERE DE L'ECHIQUIER 1.44% of their portfolio | 444.4k $27.4m | Reduced -142.6k |
| National Pension Service 0.05% of their portfolio | 443.2k $26.1m | Reduced -12.4k |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.04% of their portfolio | 437.3k $27.0m | Added +2.7k |
| California Public Employees Retirement System 0.02% of their portfolio | 435.0k $26.8m | Reduced -87.8k |
| Strategic Vision Investment Ltd 8.79% of their portfolio | 380.5k $23.5m | Added +362.0k |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.04% of their portfolio | 377.4k $23.3m | Added +61.3k |
| Vontobel Holding Ltd. 0.20% of their portfolio | 354.3k $21.8m | Reduced -20.3k |
| RHUMBLINE ADVISERS 0.03% of their portfolio | 343.2k $21.2m | Added +25.5k |
| Cota Capital Management, LLC 11.39% of their portfolio | 341.7k $21.1m | Reduced -32.0k |
| Grandeur Peak Global Advisors, LLC 1.28% of their portfolio | 340.6k $21.0m | Added +71.0k |
| Invesco Ltd. 0.01% of their portfolio | 337.6k $20.8m | Added +155.1k |
| Value Star Asset Management (Hong Kong) Ltd 7.86% of their portfolio | 325.8k $20.1m | Not comparable |
| NEW YORK STATE COMMON RETIREMENT FUND 0.03% of their portfolio | 318.8k $19.7m | Reduced -8.0k |
| UBS Group AG 0.01% of their portfolio | 305.1k $18.8m | Added +89.0k |
| CANADA LIFE ASSURANCE Co 0.05% of their portfolio | 301.4k $18.6m | Added +25.3k |
| STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM 0.04% of their portfolio | 300.7k $18.5m | Added +400 |
| Whetstone Capital Advisors, LLC 11.66% of their portfolio | 293.4k $18.1m | Reduced -7.4k |
| ARK Investment Management LLC 0.12% of their portfolio | 289.0k $17.8m | Reduced -6.0k |
| Mitsubishi UFJ Asset Management Co., Ltd. 0.04% of their portfolio | 287.9k $17.8m | Added +7.4k |
| Allianz Asset Management GmbH 0.04% of their portfolio | 282.0k $17.4m | Added +2.8k |
| ENVESTNET ASSET MANAGEMENT INC 0.01% of their portfolio | 278.5k $17.2m | Reduced -487 |
| NZS Capital, LLC 0.89% of their portfolio | 273.4k $16.9m | Added +46.8k |
| Laurion Capital Management LP 0.75% of their portfolio | 268.2k $16.5m | New |
| Trexquant Investment LP 0.45% of their portfolio | 267.8k $16.5m | Added +37.0k |
| Privium Fund Management B.V. 5.44% of their portfolio | 262.4k $16.2m | Unchanged |
| Qube Research & Technologies Ltd 0.09% of their portfolio | 257.2k $15.9m | Added +125.1k |
| GAM Holding AG 1.08% of their portfolio | 253.1k $15.6m | Added +143.8k |
| JPMORGAN CHASE & CO 0.00% of their portfolio | 253.0k $15.6m | Added +111.4k |
| BERKSHIRE CAPITAL HOLDINGS INC 6.95% of their portfolio | 251.7k $15.5m | Reduced -35.1k |
| PRINCIPAL FINANCIAL GROUP INC 0.01% of their portfolio | 244.1k $15.1m | Added +166.1k |
| Alberta Investment Management Corp 0.15% of their portfolio | 243.3k $15.0m | Added +5.9k |
| WELLS FARGO & COMPANY/MN 0.00% of their portfolio | 243.1k $15.0m | Added +1.5k |
| BARCLAYS PLC 0.01% of their portfolio | 234.1k $14.4m | Reduced -145.1k |
| APG Asset Management N.V. 0.03% of their portfolio | 231.2k $13.1m | Reduced -35.4k |
| DIMENSIONAL FUND ADVISORS LP 0.00% of their portfolio | 216.2k $13.3m | Added +29.9k |
| Asset Management One Co., Ltd. 0.06% of their portfolio | 209.9k $12.9m | Added +30.5k |
| GABELLI FUNDS LLC 0.10% of their portfolio | 207.3k $12.8m | Added +12.6k |
| AVIVA PLC 0.06% of their portfolio | 206.0k $12.7m | Reduced -52.4k |
| HSBC HOLDINGS PLC 0.02% of their portfolio | 201.7k $12.4m | Reduced -75.9k |
| Allen Investment Management, LLC 0.20% of their portfolio | 195.5k $12.1m | Unchanged |
| RPG Investment Advisory, LLC 2.09% of their portfolio | 191.7k $11.8m | Added +6.6k |
| Harber Asset Management LLC 2.86% of their portfolio | 171.8k $10.6m | New |
| Ensign Peak Advisors, Inc 0.02% of their portfolio | 171.0k $10.5m | Added +144.0k |
| TEACHERS RETIREMENT SYSTEM OF THE STATE OF KENTUCKY 0.10% of their portfolio | 167.2k $10.3m | Added +19.6k |
| Atika Capital Management LLC 1.59% of their portfolio | 165.5k $10.2m | New |
| 12 West Capital Management LP 0.87% of their portfolio | 165.0k $10.2m | Unchanged |
| PRICE T ROWE ASSOCIATES INC /MD/ 0.00% of their portfolio | 164.7k $10.2m | Added +4.5k |