CBRS · Cerebras Systems Inc. · Holdings
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Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.
Institutional Ownership Trend
Superinvestors Holding CBRS
All superinvestors →Holder Concentration
Across 429 13F filersWho Holds CBRS
Last 6 quarters through Sep 30, 2026 (filing window open)Each kind of 13F filer's share of the common shares 13F filers report. Holder type comes from regulatory records, never the filer's name; style, turnover and horizon are measured from each filer's own 13F book. The quarter selector does not change this card.
Jun 30, 2026, the newest closed quarter: 419 filers, like-for-like change —.
| Holder type | Share | Filers | Change |
|---|---|---|---|
| Registered adviser | 44.1% | 211 | new |
| Exempt adviser | 15.5% | 9 | new |
| Adviser | 7.5% | 14 | new |
| Bank | 5.6% | 24 | new |
| Broker-dealer | 0.0% | 2 | new |
| Benefit plan | 0.7% | 3 | new |
| Non-US | 1.7% | 10 | new |
| Holding company | 16.9% | 10 | new |
| Unknown | 8.0% | 136 | new |
| Style | Share | Filers | Change |
|---|---|---|---|
| Index-like | 10.5% | 20 | new |
| Systematic-like | 4.5% | 18 | new |
| Concentrated | 33.0% | 113 | new |
| Diversified active | 37.8% | 262 | new |
| Unknown | 14.2% | 6 | new |
| Not measured | 0.0% | 0 | — |
| Turnover | Share | Filers | Change |
|---|---|---|---|
| Low turnover | 34.2% | 206 | new |
| Medium turnover | 30.8% | 92 | new |
| High turnover | 13.2% | 81 | new |
| Unknown | 21.7% | 40 | new |
| Not measured | 0.0% | 0 | — |
| Holding horizon | Share | Filers | Change |
|---|---|---|---|
| Short horizon | 24.7% | 77 | new |
| Medium horizon | 7.7% | 75 | new |
| Long horizon | 42.0% | 225 | new |
| Unknown | 25.6% | 42 | new |
| Not measured | 0.0% | 0 | — |
| 13F book size | Share | Filers | Change |
|---|---|---|---|
| Under $1B | 3.6% | 117 | new |
| $1B to $10B | 29.8% | 144 | new |
| $10B to $100B | 25.9% | 93 | new |
| $100B or more | 40.6% | 65 | new |
| Not measured | 0.0% | 0 | — |
| Client base | Share | Filers | Change |
|---|---|---|---|
| Individuals and high net worth | 0.9% | 113 | new |
| Pooled investment vehicles | 34.4% | 63 | new |
| Registered funds and BDCs | 8.3% | 19 | new |
| Pension and profit sharing plans | 0.0% | 2 | new |
| Insurance companies | 0.1% | 1 | new |
| Governments and sovereign funds | 0.0% | 1 | new |
| Corporations | 0.1% | 1 | new |
| Other investment advisers | 0.0% | 2 | new |
| Other | 0.0% | 4 | new |
| Diversified | 0.4% | 4 | new |
| Unknown | 55.9% | 209 | new |
| Private funds | Share | Filers | Change |
|---|---|---|---|
| Hedge funds | 18.1% | 70 | new |
| Private equity funds | 7.7% | 16 | new |
| Venture capital funds | 24.7% | 5 | new |
| Real estate funds | 0.0% | 3 | new |
| Liquidity funds | 0.1% | 1 | new |
| Other private funds | 2.8% | 17 | new |
| Mixed private funds | 0.3% | 2 | new |
| Private funds, type not stated | 0.6% | 2 | new |
| No private funds | 5.4% | 104 | new |
| Unknown | 40.4% | 199 | new |
| Location | Share | Filers | Change |
|---|---|---|---|
| United States | 92.1% | 343 | new |
| Outside the US | 7.9% | 76 | new |
The Sep 30, 2026 filing window is still open, so its bar carries the Jun 30, 2026 positions of filers that have not filed yet.
How the mix is measured
Shares are 13F common shares restated to today's split basis; options and principal amounts are left out. The change compares only filers with a 13F in both quarters and keeps each filer in its bucket of the later quarter on both sides; a filer that continues under a new CIK is compared through its successor. Holder type comes from each filer's current regulatory profile; client base and private funds come from the Form ADV roster current at each quarter end (rosters from December 2019, so an earlier quarter reads Unknown). Style, turnover, horizon and book size are measured from each filer's 13F book in the newest measured quarter, and Not measured means none was. Actively managed books are those measured systematic-like, concentrated or diversified active.
Excluded 5 holders with no observed 2026-03-31 13F. Compared across CIK changes: JANUS HENDERSON GROUP PLC continues as Jupiter Topco LLC.
Conviction and Crowding
419 13F filers, quarter ended Jun 30, 2026Measured across every 13F filer's common-share book once the quarter's filing window closed. Crowding counts filers with high turnover or that advise private funds on Form ADV.
Managers in the top fifth by current three-year FundScore alpha were net buyers of $358,366,007 (6 buying, 0 selling).
Estimated Holder Cost Basis
Quarter ended Jun 30, 2026, on that quarter's share basisEstimated, never filed: each 13F buy is costed at its quarter's average traded price and each sale keeps the average cost, so this is what holders paid on average if they traded evenly through each quarter.
Estimated cost covers 96.1% of the 13F shares; positions already held when a filer's 13F history starts, or bought in a quarter without a trusted average price, have no estimate.
Shared Holders
Companies CBRS's active holders also own, quarter ended Jun 30, 2026| # | Company | Shared holders |
|---|---|---|
| 1 | FRVO Fervo Energy Co | 17 |
| 2 | INIO Innio N.V. | 19 |
| 3 | MAIR Madison Air Solutions Corp | 14 |
| 4 | SPCX Space Exploration Technologies Corp | 79 |
| 5 | QNT Quantinuum Inc. | 18 |
| 6 | FPS Forgent Power Solutions, Inc. | 25 |
| 7 | CRWV CoreWeave, Inc. | 37 |
| 8 | CRCL Circle Internet Group, Inc. | 21 |
| 9 | DPC DPC Holdings PLC | 15 |
| 10 | MDLN Medline Inc. | 18 |
Shareholder Targets
13F filers that own its peers but not CBRS, quarter ended Jun 30, 2026Found through its holder-overlap peers: FRVO, INIO, MAIR, SPCX, QNT, FPS, CRWV, CRCL, DPC, MDLN, LFTO, HOOD, ARXS, XE, MWH, CVNA, SNOW, NBIS, HUT, PONY. 2,906 filers in all.
| # | Filer | In peers | Largest peers |
|---|---|---|---|
| 1 | Alphabet Inc. Unknown, Concentrated | $94,227,704,166 2 held | SPCX, FRVO |
| 2 | Valor Management LLC Adviser, Concentrated | $86,013,406,595 1 held | SPCX |
| 3 | Gigafund Management Company, LLC Unknown, Unknown | $29,358,317,650 1 held | SPCX |
| 4 | PUBLIC INVESTMENT FUND Unknown, Concentrated | $26,337,528,228 1 held | SPCX |
| 5 | NVIDIA CORP Unknown, Concentrated | $26,003,985,495 3 held | SPCX, CRWV, NBIS |
| 6 | Capricorn Investment Group LLC Unknown, Concentrated | $21,640,665,662 2 held | SPCX, FRVO |
| 7 | SC US (TTGP), LTD. Unknown, Concentrated | $20,933,621,114 1 held | SPCX |
| 8 | Darsana Capital Partners LP Registered adviser, Concentrated | $17,335,782,796 1 held | SPCX |
| 9 | Advent International, L.P. Unknown, Concentrated | $13,256,154,166 3 held | INIO, ARXS, DPC |
| 10 | a16z Capital Management, L.L.C. Registered adviser, Concentrated | $12,789,728,717 1 held | SPCX |
Fund Ownership of CBRS by Fund Type
Registered funds' Form N-PORT reports for the quarter ended Jun 30, 2026Index funds and index ETFs hold 1.59% of shares outstanding.
| Fund type | Of shares outstanding | Shares |
|---|---|---|
| Index funds | 0.14% | 323,059 |
| Index ETFs | 1.46% | 3,463,658 |
| Active ETFs | 0.25% | 583,313 |
| Active funds | 4.69% | 11,152,233 |
| Unclassified | 0.38% | 896,251 |
| All registered funds | 6.91% | 16,418,514 |
How fund types are measured
Each fund series counts once, with its latest Form N-PORT report dated inside the quarter; only long share positions count, restated to today's split basis. The fund type is the series' latest Form N-CEN answer on or before the quarter end (the index-fund box and the exchange-traded flag), never its name. Unclassified funds have no usable N-CEN; unit investment trusts are among them, so index ownership is a floor. Funds sit inside their advisers' 13F reports, so these shares overlap the 13F figures and are never added to them.
| Holder | Value (USD) | % of 13F | Shares | Type | Filed | Open |
|---|---|---|---|---|---|---|
| Mid ECLIPSE OPERATIONS, LLC Exempt adviser | $2,529,625,670 | 10.78% | 11,446,270 | Shares | 2026-08-07 | |
| Mega FMR LLC Holding company | $1,864,155,995 | 7.94% | 8,435,095 | Shares | 2026-08-13 | |
| Mid Altimeter Capital Management, LP Registered adviser | $1,596,733,177 | 6.80% | 7,225,037 | Shares | 2026-08-14 | |
| Large COATUE MANAGEMENT LLC Registered adviser | $1,549,437,188 | 6.60% | 7,011,028 | Shares | 2026-08-14 | |
| Mega JANE STREET GROUP, LLC | $1,098,900,400 | 4.68% | 4,972,400 | Call | 2026-08-14 | |
| Mega Capital World Investors Adviser | $860,675,218 | 3.67% | 3,894,458 | Shares | 2026-08-12 | |
| Mega MORGAN STANLEY Holding company | $712,550,189 | 3.04% | 3,224,209 | Shares | 2026-08-13 | |
| Large Atreides Management, LP Registered adviser | $687,329,006 | 2.93% | 3,110,086 | Shares | 2026-08-14 | |
| Mega JPMORGAN CHASE & CO Bank | $685,278,126 | 2.92% | 3,100,806 | Shares | 2026-08-12 | |
| Large TIGER GLOBAL MANAGEMENT LLC Registered adviser | $662,779,000 | 2.82% | 2,999,000 | Shares | 2026-08-14 | |
| Mega JANE STREET GROUP, LLC | $638,424,800 | 2.72% | 2,888,800 | Put | 2026-08-14 | |
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | $543,085,400 | 2.31% | 2,457,400 | Put | 2026-08-14 | |
| Large VY Capital Management Co. Ltd. Exempt adviser | $474,448,325 | 2.02% | 2,146,825 | Shares | 2026-08-18 | |
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | $462,774,000 | 1.97% | 2,094,000 | Call | 2026-08-14 | |
| Mega BlackRock, Inc. Holding company | $458,612,128 | 1.95% | 2,075,168 | Shares | 2026-08-07 | |
| Mega PRICE T ROWE ASSOCIATES INC /MD/ Registered adviser | $451,861,683 | 1.93% | 2,044,623 | Shares | 2026-08-14 | |
| Mega VANGUARD PORTFOLIO MANAGEMENT LLC Registered adviser | $342,980,066 | 1.46% | 1,551,946 | Shares | 2026-08-13 | |
| Mega VANGUARD CAPITAL MANAGEMENT LLC Registered adviser | $304,937,789 | 1.30% | 1,379,809 | Shares | 2026-08-13 | |
| Mega CITADEL ADVISORS LLC Registered adviser | $275,845,570 | 1.18% | 1,248,170 | Shares | 2026-09-02 | |
| Large Balyasny Asset Management L.P. Registered adviser | $247,598,676 | 1.05% | 1,120,356 | Shares | 2026-08-14 | |
| Large Value Aligned Research Advisors, LLC Registered adviser | $241,933,562 | 1.03% | 1,094,722 | Shares | 2026-08-17 | |
| Mid HARVARD MANAGEMENT CO INC | $238,963,543 | 1.02% | 1,081,283 | Shares | 2026-08-14 | |
| Mega CITADEL ADVISORS LLC Registered adviser | $218,546,900 | 0.93% | 988,900 | Call | 2026-09-02 | |
| Small Legal Advantage Investments, Inc. Registered adviser | $204,241,007 | 0.87% | 1,149,682 | Shares | 2026-10-13 | |
| Mega Capital Research Global Investors Adviser | $195,143,000 | 0.83% | 883,000 | Shares | 2026-08-12 | |
| Mega WELLINGTON MANAGEMENT GROUP LLP Holding company | $194,853,048 | 0.83% | 881,688 | Shares | 2026-08-14 | |
| Mega CITADEL ADVISORS LLC Registered adviser | $193,949,600 | 0.83% | 877,600 | Put | 2026-09-02 | |
| Mega NORGES BANK Non-US | $187,106,556 | 0.80% | 846,636 | Shares | 2026-08-12 | |
| Mid ADVANCED MICRO DEVICES INC | $175,577,207 | 0.75% | 794,467 | Shares | 2026-08-14 | |
| Large ARK Investment Management LLC Registered adviser | $168,979,473 | 0.72% | 764,613 | Shares | 2026-08-14 | |
| Large Atreides Management, LP Registered adviser | $154,700,000 | 0.66% | 700,000 | Call | 2026-08-14 | |
| Mega UBS Group AG Bank | $125,024,120 | 0.53% | 565,720 | Shares | 2026-08-13 | |
| Small WASHINGTON UNIVERSITY Benefit plan | $121,790,006 | 0.52% | 551,086 | Shares | 2026-07-14 | |
| Mid Alpha Wave Global, LP Registered adviser | $112,710,000 | 0.48% | 510,000 | Shares | 2026-08-13 | |
| Mega FRANKLIN RESOURCES INC Adviser | $105,929,278 | 0.45% | 479,318 | Shares | 2026-08-13 | |
| Mega STATE STREET CORP Bank | $105,342,523 | 0.45% | 476,663 | Shares | 2026-09-22 | |
| Mega MANUFACTURERS LIFE INSURANCE COMPANY, THE Non-US | $101,978,903 | 0.43% | 461,443 | Shares | 2026-09-09 | |
| Large Clear Street Group Inc. | $97,834,711 | 0.42% | 442,691 | Shares | 2026-08-12 | |
| Large Marex Group plc | $93,423,772 | 0.40% | 422,732 | Shares | 2026-08-14 | |
| Mid Dragoneer Investment Group, LLC Registered adviser | $88,400,000 | 0.38% | 400,000 | Shares | 2026-08-14 | |
| Mid Davidson Kempner Capital Management LP Registered adviser | $88,400,000 | 0.38% | 400,000 | Call | 2026-08-14 | |
| Mega GEODE CAPITAL MANAGEMENT, LLC Registered adviser | $88,332,595 | 0.38% | 399,695 | Shares | 2026-08-12 | |
| Small ADAMS STREET PARTNERS LLC Adviser | $87,989,824 | 0.37% | 398,144 | Shares | 2026-08-14 | |
| Mega Sumitomo Mitsui Trust Group, Inc. Bank | $87,073,193 | 0.37% | 490,139 | Shares | 2026-10-29 | |
| Mega MASSACHUSETTS FINANCIAL SERVICES CO /MA/ Registered adviser | $82,137,965 | 0.35% | 371,665 | Shares | 2026-08-03 | |
| Mega Jupiter Topco LLC | $75,896,041 | 0.32% | 343,421 | Shares | 2026-08-14 | |
| Mega T. Rowe Price Investment Management, Inc. Adviser | $75,343,320 | 0.32% | 340,920 | Shares | 2026-08-14 | |
| Mid StepStone Group LP Registered adviser | $75,210,941 | 0.32% | 340,321 | Shares | 2026-08-13 | |
| Mid Davidson Kempner Capital Management LP Registered adviser | $74,967,178 | 0.32% | 339,218 | Shares | 2026-08-14 | |
| Large BAMCO INC /NY/ Registered adviser | $65,201,188 | 0.28% | 295,028 | Shares | 2026-08-14 | |
| Mid Amova Asset Management Americas, Inc. Registered adviser | $65,076,323 | 0.28% | 294,463 | Shares | 2026-08-13 | |
| Large ExodusPoint Capital Management, LP Registered adviser | $64,592,333 | 0.28% | 292,273 | Shares | 2026-08-14 | |
| Mega MILLENNIUM MANAGEMENT LLC Registered adviser | $60,314,657 | 0.26% | 272,917 | Shares | 2026-08-14 | |
| Mid Ghisallo Capital Management LLC Registered adviser | $59,670,000 | 0.25% | 270,000 | Shares | 2026-08-14 | |
| Mega AMERIPRISE FINANCIAL INC Adviser | $58,688,318 | 0.25% | 265,558 | Shares | 2026-08-14 | |
| Mid GC Wealth Management RIA, LLC Registered adviser | $55,354,851 | 0.24% | 311,595 | Shares | 2026-11-02 | |
| Mega JANE STREET GROUP, LLC | $55,276,962 | 0.24% | 250,122 | Shares | 2026-08-14 | |
| Mid SEVEN GRAND MANAGERS, LLC Registered adviser | $55,250,000 | 0.24% | 250,000 | Shares | 2026-08-14 | |
| Small Liberty Street Advisors, Inc. | $52,280,423 | 0.22% | 236,563 | Shares | 2026-08-06 | |
| Large TUDOR INVESTMENT CORP ET AL Registered adviser | $52,250,588 | 0.22% | 236,428 | Shares | 2026-08-14 | |
| Large BANK OF NOVA SCOTIA Bank | $50,100,700 | 0.21% | 226,700 | Shares | 2026-08-12 | |
| Mid Meridiem Capital Partners LP Registered adviser | $48,956,362 | 0.21% | 221,522 | Shares | 2026-08-14 | |
| Mega D. E. Shaw & Co., Inc. | $48,697,350 | 0.21% | 220,350 | Shares | 2026-08-14 | |
| Large Blackstone Inc. Adviser | $48,620,000 | 0.21% | 220,000 | Shares | 2026-08-14 | |
| Mega Invesco Ltd. Adviser | $46,690,228 | 0.20% | 211,268 | Shares | 2026-08-14 | |
| Mega VANGUARD FIDUCIARY TRUST CO | $46,613,099 | 0.20% | 210,919 | Shares | 2026-08-13 | |
| Large CAPSTONE INVESTMENT ADVISORS, LLC Registered adviser | $44,664,100 | 0.19% | 202,100 | Shares | 2026-08-17 | |
| Mid Burkehill Global Management, LP Registered adviser | $44,200,000 | 0.19% | 200,000 | Shares | 2026-08-14 | |
| Large Unisphere Establishment | $43,857,450 | 0.19% | 198,450 | Shares | 2026-08-14 | |
| Large Tidal Investments LLC Registered adviser | $42,986,268 | 0.18% | 194,508 | Shares | 2026-08-13 | |
| Mega CHARLES SCHWAB INVESTMENT MANAGEMENT INC Registered adviser | $41,904,473 | 0.18% | 189,613 | Shares | 2026-08-14 | |
| Large Belvedere Trading LLC | $41,061,800 | 0.17% | 185,800 | Call | 2026-07-31 | |
| Small Totem Point Management, LLC Registered adviser | $39,990,613 | 0.17% | 180,953 | Shares | 2026-08-14 | |
| Large Verition Fund Management LLC Registered adviser | $38,675,000 | 0.16% | 175,000 | Shares | 2026-08-14 | |
| Large Hudson Bay Capital Management LP Registered adviser | $38,602,512 | 0.16% | 174,672 | Shares | 2026-08-14 | |
| Mid SUVRETTA CAPITAL MANAGEMENT, LLC Registered adviser | $37,989,900 | 0.16% | 171,900 | Shares | 2026-08-14 | |
| Mid Lighthouse Investment Partners, LLC Registered adviser | $34,697,000 | 0.15% | 157,000 | Shares | 2026-08-14 | |
| Large Jain Global LLC Registered adviser | $33,789,795 | 0.14% | 152,895 | Shares | 2026-08-14 | |
| Mega Legal & General Group Plc | $33,663,383 | 0.14% | 152,323 | Shares | 2026-08-14 | |
| Large Alyeska Investment Group, L.P. Registered adviser | $33,646,587 | 0.14% | 152,247 | Shares | 2026-08-14 | |
| Mid Foundations Investment Advisors, LLC Registered adviser | $33,609,680 | 0.14% | 152,080 | Shares | 2026-08-14 | |
| Mid SOROS FUND MANAGEMENT LLC | $33,150,000 | 0.14% | 150,000 | Shares | 2026-08-14 | |
| Mid Greenoaks Capital Partners LLC Registered adviser | $33,150,000 | 0.14% | 150,000 | Shares | 2026-08-14 | |
| Large D1 Capital Partners L.P. Registered adviser | $33,150,000 | 0.14% | 150,000 | Shares | 2026-08-14 | |
| Large PEAK6 LLC Broker-dealer | $32,884,800 | 0.14% | 148,800 | Call | 2026-08-13 | |
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | $32,402,578 | 0.14% | 146,618 | Shares | 2026-08-14 | |
| Small Brown University | $32,199,700 | 0.14% | 145,700 | Put | 2026-08-05 | |
| Mid SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC Registered adviser | $29,716,765 | 0.13% | 134,465 | Shares | 2026-08-14 | |
| Large Walleye Trading LLC | $29,459,300 | 0.13% | 133,300 | Call | 2026-08-03 | |
| Mid MAPLELANE CAPITAL, LLC Registered adviser | $29,172,000 | 0.12% | 132,000 | Shares | 2026-08-13 | |
| Mid CROSSLINK CAPITAL INC Registered adviser | $28,828,345 | 0.12% | 130,445 | Shares | 2026-08-14 | |
| Mid SAMLYN CAPITAL, LLC Registered adviser | $28,749,669 | 0.12% | 130,089 | Shares | 2026-08-14 | |
| Large Point72 Asset Management, L.P. Registered adviser | $28,705,911 | 0.12% | 129,891 | Shares | 2026-08-14 | |
| Large LMR Partners LLP Exempt adviser | $26,520,000 | 0.11% | 120,000 | Shares | 2026-08-14 | |
| Large Tidal Investments LLC Registered adviser | $25,260,300 | 0.11% | 114,300 | Call | 2026-08-13 | |
| Mega GOLDMAN SACHS GROUP INC Holding company | $24,407,461 | 0.10% | 110,441 | Shares | 2026-08-14 | |
| Large Artisan Partners Limited Partnership Registered adviser | $23,915,957 | 0.10% | 108,217 | Shares | 2026-08-13 | |
| Mid Avala Global LP Registered adviser | $23,713,300 | 0.10% | 107,300 | Shares | 2026-08-14 | |
| Small JOHNSON & JOHNSON | $22,854,494 | 0.10% | 128,649 | Shares | 2026-10-26 | |
| Small HAMILTON LANE ADVISORS LLC Registered adviser | $22,405,040 | 0.10% | 126,119 | Shares | 2026-10-21 |
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