SUPER MICRO COMPUTER INC SMCI
COM NEW · Common Stock · CUSIP 86800U302 · ISIN US86800U3023
- SectorTechnology
- IndustryElectronic Computers
- HeadquartersSan Jose, CA
- 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 ($25.0m this quarter). Holder counts are more reliable. Shares outstanding: 657.0m as of 2026-07-31, 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 ≈ $29.30. Options: 80 managers hold calls ($3.0bn notional), 78 hold puts ($3.2bn).
Trends to Q2 2026
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q4 2023 | 1 |
| Q1 2024 | 1 |
| Q2 2024 | 5 |
| Q3 2024 | 63 |
| Q4 2024 | 674 |
| Q1 2025 | 749 |
| Q2 2025 | 825 |
| Q3 2025 | 843 |
| Q4 2025 | 751 |
| Q1 2026 | 705 |
| Q2 2026 | 767 |
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 | 61 | 3 |
| Q4 2024 | 615 | 21 |
| Q1 2025 | 460 | 299 |
| Q2 2025 | 471 | 339 |
| Q3 2025 | 443 | 410 |
| Q4 2025 | 321 | 501 |
| Q1 2026 | 356 | 378 |
| Q2 2026 | 436 | 311 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q3 2025 | $5.3bn | $4.9bn | 0.93 |
| Q4 2025 | $3.4bn | $3.2bn | 0.95 |
| Q1 2026 | $2.5bn | $2.3bn | 0.91 |
| Q2 2026 | $3.0bn | $3.2bn | 1.04 |
Biggest buyers
| JANE STREET GROUP, LLC | Added | +24.4m |
| TWO SIGMA INVESTMENTS, LP | Added | +8.9m |
| GOLDMAN SACHS GROUP INC | Added | +7.6m |
| UBS Group AG | Added | +7.6m |
| RENAISSANCE TECHNOLOGIES LLC | Added | +6.7m |
| Point72 Asset Management, L.P. | Added | +4.7m |
| Ghisallo Capital Management LLC | New | +4.4m |
| BlackRock, Inc. | Added | +4.3m |
| Assenagon Asset Management S.A. | Added | +4.2m |
| VANGUARD CAPITAL MANAGEMENT LLC | Added | +3.5m |
Biggest sellers
| Defiance ETFs, LLC | Sold out | -6.2m |
| WELLS FARGO & COMPANY/MN | Reduced | -4.3m |
| MARSHALL WACE, LLP | Reduced | -2.6m |
| HAWK RIDGE CAPITAL MANAGEMENT LP | Sold out | -2.3m |
| DISCIPLINED GROWTH INVESTORS INC /MN | Reduced | -2.3m |
| CANADA PENSION PLAN INVESTMENT BOARD | Reduced | -1.3m |
| Weiss Asset Management LP | Reduced | -1.3m |
| Legal & General Group Plc | Reduced | -786.6k |
| Walleye Trading LLC | Reduced | -724.3k |
| BARCLAYS PLC | Reduced | -682.4k |
Biggest calls
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | $784.1m26.7m shares |
| JANE STREET GROUP, LLC | Reduced | $325.6m11.1m shares |
| CITADEL ADVISORS LLC | Reduced | $305.7m10.4m shares |
| IMC-Chicago, LLC | Added | $252.2m8.6m shares |
| Tidal Investments LLC | Reduced | $201.4m6.9m shares |
| D. E. Shaw & Co., Inc. | Reduced | $152.6m5.2m shares |
| BNP PARIBAS FINANCIAL MARKETS | Added | $105.8m36.1k shares |
| TORONTO DOMINION BANK | Unchanged | $88.0m3.0m shares |
| Optiver Holding B.V. | Added | $80.7m2.8m shares |
| GROUP ONE TRADING LLC | Added | $78.9m2.7m shares |
Biggest puts
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Added | $427.1m14.6m shares |
| JANE STREET GROUP, LLC | Reduced | $314.9m10.7m shares |
| IMC-Chicago, LLC | Added | $249.0m8.5m shares |
| Weiss Asset Management LP | Added | $206.7m7.0m shares |
| CITADEL ADVISORS LLC | Reduced | $187.8m6.4m shares |
| GOLDMAN SACHS GROUP INC | Added | $177.9m6.1m shares |
| WHITEBOX ADVISORS LLC | Reduced | $120.3m4.1m shares |
| HIGHBRIDGE CAPITAL MANAGEMENT LLC | Added | $109.7m3.9m shares |
| CITIGROUP INC | Added | $102.3m3.5m shares |
| WOLVERINE ASSET MANAGEMENT LLC | Reduced | $99.2m3.4m 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 |
|---|---|
| JANE STREET GROUP, LLC 13G · passive investor -1.1 pts · filed 2026-08-13 | 7.4% |
| VANGUARD CAPITAL MANAGEMENT LLC 13G · institution new · filed 2026-04-30 | 6.3% |
| CAPITAL VENTURES INTERNATIONAL 13G · passive investor -1.1 pts · filed 2026-08-14 | 5.1% |
| VANGUARD PORTFOLIO MANAGEMENT LLC 13G · institution new · filed 2026-07-31 | 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 | — | 0 | — | — |
| Q1 2025 | 0 | — | 4 | $6.8m | — |
| Q2 2025 | 0 | — | 4 | $27.4m | $13.5m |
| Q3 2025 | 0 | — | 4 | $15.9m | $14.1m |
| Q4 2025 | 0 | — | 2 | $3.5m | — |
| Q1 2026 | 0 | — | 0 | — | — |
| Q2 2026 | 0 | — | 0 | — | — |
| Q3 2026 | 0 | — | 2 | $7.7m | $7.7m |
| Date | Insider | Trade | Value |
|---|---|---|---|
| 2026-09-04 | Liu Liang Chiu-Chu Sara Director | Sold plan | $4.0m100.0k shares |
| 2026-09-04 | Liang Charles President and CEO, director · By Spouse | Sold plan | $4.0m100.0k shares |
| 2026-09-03 | Liu Liang Chiu-Chu Sara Director | Sold plan | $3.7m100.0k shares |
| 2026-09-03 | Liang Charles President and CEO, director · By Spouse | Sold plan | $3.7m100.0k 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, Q2 2026
| Manager | Shares | Change |
|---|---|---|
| BlackRock, Inc. 0.02% of their portfolio | 47.7m $1.4bn | Added +4.3m |
| VANGUARD CAPITAL MANAGEMENT LLC 0.02% of their portfolio | 36.4m $1.1bn | Added +3.5m |
| VANGUARD PORTFOLIO MANAGEMENT LLC 0.04% of their portfolio | 32.9m $963.9m | Added +3.3m |
| JANE STREET GROUP, LLC 0.54% of their portfolio | 28.8m $844.3m | Added +24.4m |
| STATE STREET CORP 0.02% of their portfolio | 24.6m $722.6m | Added +2.6m |
| UBS Group AG 0.09% of their portfolio | 19.7m $577.5m | Added +7.6m |
| GEODE CAPITAL MANAGEMENT, LLC 0.02% of their portfolio | 15.5m $453.2m | Added +1.4m |
| Invesco Ltd. 0.03% of their portfolio | 11.7m $343.7m | Reduced -96.4k |
| GOLDMAN SACHS GROUP INC 0.03% of their portfolio | 11.1m $325.1m | Added +7.6m |
| TWO SIGMA INVESTMENTS, LP 0.22% of their portfolio | 9.8m $287.0m | Added +8.9m |
| MORGAN STANLEY 0.01% of their portfolio | 9.0m $265.4m | Added +1.4m |
| BNP PARIBAS FINANCIAL MARKETS 0.12% of their portfolio | 7.7m $225.3m | Added +2.2m |
| RENAISSANCE TECHNOLOGIES LLC 0.27% of their portfolio | 6.8m $199.0m | Added +6.7m |
| NORGES BANK 0.02% of their portfolio | 6.3m $185.1m | Not comparable |
| Point72 Asset Management, L.P. 0.21% of their portfolio | 4.8m $139.5m | Added +4.7m |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.02% of their portfolio | 4.7m $138.5m | Added +559.0k |
| MARSHALL WACE, LLP 0.11% of their portfolio | 4.6m $135.5m | Reduced -2.6m |
| NORTHERN TRUST CORP 0.02% of their portfolio | 4.6m $135.2m | Added +274.3k |
| BANK OF AMERICA CORP /DE/ 0.01% of their portfolio | 4.5m $130.8m | Added +565.3k |
| Ghisallo Capital Management LLC 2.51% of their portfolio | 4.4m $128.0m | New |
| Assenagon Asset Management S.A. 0.08% of their portfolio | 4.3m $127.6m | Added +4.2m |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.02% of their portfolio | 4.2m $122.0m | Added +397.3k |
| DIMENSIONAL FUND ADVISORS LP 0.02% of their portfolio | 3.6m $104.6m | Reduced -513.8k |
| CITADEL ADVISORS LLC 0.06% of their portfolio | 3.5m $103.9m | Added +1.9m |
| NATIONAL BANK OF CANADA /FI/ 0.09% of their portfolio | 3.4m $98.7m | Added +711.5k |
| IMC-Chicago, LLC 0.89% of their portfolio | 3.3m $97.4m | Added +2.6m |
| CITIGROUP INC 0.04% of their portfolio | 3.2m $95.1m | Added +440.1k |
| D. E. Shaw & Co., Inc. 0.06% of their portfolio | 3.2m $95.0m | Added +2.9m |
| Legal & General Group Plc 0.02% of their portfolio | 3.2m $93.6m | Reduced -786.6k |
| VANGUARD FIDUCIARY TRUST CO 0.02% of their portfolio | 3.2m $92.6m | Added +284.7k |
| Quadrature Capital Ltd 0.75% of their portfolio | 3.0m $87.7m | Added +2.3m |
| Clear Street Group Inc. 0.28% of their portfolio | 3.0m $87.7m | Added +2.1m |
| BARCLAYS PLC 0.03% of their portfolio | 3.0m $86.6m | Reduced -682.4k |
| CAPITAL FUND MANAGEMENT S.A. 0.61% of their portfolio | 2.9m $84.5m | Added +1.9m |
| Balyasny Asset Management L.P. 0.15% of their portfolio | 2.8m $83.3m | New |
| FMR LLC 0.00% of their portfolio | 2.8m $80.8m | Added +2.4m |
| DISCIPLINED GROWTH INVESTORS INC /MN 1.32% of their portfolio | 2.7m $78.1m | Reduced -2.3m |
| HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND 0.11% of their portfolio | 2.6m $77.3m | Added +2.5m |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.09% of their portfolio | 2.6m $76.3m | Added +777.1k |
| Marex Group Ltd 0.57% of their portfolio | 2.6m $76.2m | Added +352.9k |
| CANTOR FITZGERALD, L. P. 0.71% of their portfolio | 2.5m $72.8m | Added +1.3m |
| AQR CAPITAL MANAGEMENT LLC 0.03% of their portfolio | 2.5m $72.6m | Added +2.3m |
| Bank of New York Mellon Corp 0.01% of their portfolio | 2.4m $71.3m | Reduced -6.3k |
| Alyeska Investment Group, L.P. 0.18% of their portfolio | 2.4m $70.7m | New |
| HRT FINANCIAL LP 0.17% of their portfolio | 2.4m $70.5m | Added +556.6k |
| FIRST TRUST ADVISORS LP 0.04% of their portfolio | 2.3m $67.5m | Added +1.7m |
| DEUTSCHE BANK AG\ 0.02% of their portfolio | 2.2m $64.9m | Added +227.3k |
| BANK OF MONTREAL /CAN/ 0.02% of their portfolio | 2.0m $59.1m | Added +676.4k |
| NEEDHAM INVESTMENT MANAGEMENT LLC 1.64% of their portfolio | 1.9m $54.5m | Added +242.0k |
| MILLENNIUM MANAGEMENT LLC 0.04% of their portfolio | 1.8m $52.0m | Added +1.3m |
| Amundi 0.01% of their portfolio | 1.7m $48.6m | Reduced -35.5k |
| Optiver Holding B.V. 0.69% of their portfolio | 1.6m $47.9m | Added +1.4m |
| Connor, Clark & Lunn Investment Management Ltd. 0.09% of their portfolio | 1.6m $47.9m | New |
| Swiss National Bank 0.02% of their portfolio | 1.6m $46.8m | Added +17.4k |
| HSBC HOLDINGS PLC 0.02% of their portfolio | 1.6m $46.1m | Added +65.0k |
| Nuveen, LLC 0.01% of their portfolio | 1.5m $44.6m | Added +149.9k |
| JPMORGAN CHASE & CO 0.00% of their portfolio | 1.5m $42.8m | Reduced -485.8k |
| Mitsubishi UFJ Asset Management Co., Ltd. 0.02% of their portfolio | 1.5m $43.3m | Added +238.8k |
| CANADA PENSION PLAN INVESTMENT BOARD 0.02% of their portfolio | 1.4m $42.0m | Reduced -1.3m |
| Vanguard Global Advisers, LLC 0.02% of their portfolio | 1.2m $35.6m | Added +111.1k |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.03% of their portfolio | 1.2m $34.9m | Added +532.8k |
| Sumitomo Mitsui Trust Group, Inc. 0.02% of their portfolio | 1.1m $33.4m | Reduced -76.2k |
| ROYAL BANK OF CANADA 0.01% of their portfolio | 1.1m $32.3m | Reduced -201.4k |
| Tidal Investments LLC 0.08% of their portfolio | 1.1m $31.3m | Added +923.7k |
| VANGUARD ASSET MANAGEMENT, Ltd 0.02% of their portfolio | 1.0m $30.4m | Added +149.6k |
| RHUMBLINE ADVISERS 0.02% of their portfolio | 1.0m $30.0m | Added +4.0k |
| LPL Financial LLC 0.01% of their portfolio | 904.0k $26.5m | Added +32.8k |
| Trexquant Investment LP 0.16% of their portfolio | 876.4k $25.7m | Added +414.0k |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.02% of their portfolio | 854.8k $25.1m | Added +41.9k |
| PRICE T ROWE ASSOCIATES INC /MD/ 0.00% of their portfolio | 772.2k $22.6m | Added +66.0k |
| CREDIT AGRICOLE S A 0.06% of their portfolio | 761.9k $22.3m | Reduced -18.8k |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. 0.02% of their portfolio | 734.6k $21.5m | Added +669.3k |
| WELLS FARGO & COMPANY/MN 0.00% of their portfolio | 695.5k $20.4m | Reduced -4.3m |
| LOS ANGELES CAPITAL MANAGEMENT LLC 0.07% of their portfolio | 690.8k $20.3m | Reduced -567 |
| California Public Employees Retirement System 0.01% of their portfolio | 676.1k $19.8m | Reduced -29.9k |
| MIZUHO MARKETS AMERICAS LLC 0.35% of their portfolio | 659.8k $19.4m | Reduced -187.6k |
| AMERIPRISE FINANCIAL INC 0.00% of their portfolio | 646.3k $18.9m | Reduced -3.2k |
| SG Americas Securities, LLC 0.01% of their portfolio | 639.0k $18.7m | Reduced -217.6k |
| Schonfeld Strategic Advisors LLC 0.10% of their portfolio | 622.8k $18.3m | Reduced -129.7k |
| DNB Asset Management AS 0.05% of their portfolio | 610.4k $17.9m | Added +489.9k |
| Aberdeen Group plc 0.02% of their portfolio | 564.3k $16.6m | Added +77.6k |
| TORONTO DOMINION BANK 0.03% of their portfolio | 557.8k $16.4m | Added +35.7k |
| PRINCIPAL FINANCIAL GROUP INC 0.01% of their portfolio | 551.2k $16.2m | Reduced -14.5k |
| ALLIANCEBERNSTEIN L.P. 0.00% of their portfolio | 521.5k $11.9m | Added +23.3k |
| RPG Investment Advisory, LLC 1.57% of their portfolio | 521.3k $15.3m | Added +4.3k |
| VOLORIDGE INVESTMENT MANAGEMENT, LLC 0.06% of their portfolio | 510.3k $15.0m | New |
| SEVEN GRAND MANAGERS, LLC 0.59% of their portfolio | 500.0k $14.7m | New |
| STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM 0.02% of their portfolio | 451.6k $13.2m | Reduced -7.6k |
| Virtu Financial LLC 0.41% of their portfolio | 444.4k $13.0m | Added +270.9k |
| ADAGE CAPITAL PARTNERS GP, L.L.C. 0.02% of their portfolio | 431.6k $12.7m | Added +42.7k |
| AVIVA PLC 0.02% of their portfolio | 427.2k $12.5m | Reduced -10.8k |
| Holocene Advisors, LP 0.03% of their portfolio | 425.6k $12.5m | New |
| HERALD INVESTMENT MANAGEMENT Ltd 1.68% of their portfolio | 421.6k $12.4m | Reduced -277.9k |
| RAYMOND JAMES FINANCIAL INC 0.00% of their portfolio | 412.0k $12.1m | Added +86.3k |
| Parallax Volatility Advisers, L.P. 0.44% of their portfolio | 403.4k $11.8m | Added +134.8k |
| Russell Investments Group, Ltd. 0.01% of their portfolio | 400.8k $11.7m | Reduced -31.8k |
| NEW YORK STATE TEACHERS RETIREMENT SYSTEM 0.02% of their portfolio | 392.4k $11.5m | Reduced -2.7k |
| PEAK6 LLC 0.28% of their portfolio | 390.8k $11.5m | Reduced -40.9k |
| Nepsis Inc. 3.87% of their portfolio | 389.1k $11.4m | Added +30.7k |
| NATIXIS 0.05% of their portfolio | 373.6k $11.0m | Reduced -629.3k |