Funds holding QUANTUM-SI INC
ISIN US74765K1051 · United States
- Fund holders
- 39
- Of which ETFs
- 9 30 other funds
- Value held
- 17.6M $
| Fund | Shares | Value | Weight in fund | |
|---|---|---|---|---|
| ARK Genomic Revolution ETF ARK ETF Trust | 6,760,803 | 4.8M $ | 0.31 % | as of Jul 31, 2026 ↗ |
| VANGUARD TOTAL STOCK MARKET INDEX FUND VANGUARD INDEX FUNDS | 5,353,930 | 4.7M $ | 0.00 % | as of Jun 30, 2026 ↗ |
| VANGUARD EXTENDED MARKET INDEX FUND VANGUARD INDEX FUNDS | 1,988,263 | 1.8M $ | 0.00 % | as of Jun 30, 2026 ↗ |
| iShares Biotechnology ETF iShares Trust | 1,197,863 | 1.1M $ | 0.01 % | as of Jun 30, 2026 ↗ |
| Fidelity Extended Market Index Fund Fidelity Concord Street Trust | 907,406 | 1.1M $ | 0.00 % | as of May 31, 2026 ↗ |
| VANGUARD RUSSELL 2000 INDEX FUND VANGUARD SCOTTSDALE FUNDS | 862,344 | 1M $ | 0.01 % | as of May 31, 2026 ↗ |
| VANGUARD HEALTH CARE INDEX FUND VANGUARD WORLD FUND | 539,508 | 642K $ | 0.00 % | as of May 31, 2026 ↗ |
| iShares Core S&P Total U.S. Stock Market ETF iShares Trust | 431,096 | 381.5K $ | 0.00 % | as of Jun 30, 2026 ↗ |
| Invesco RAFI US 1500 Small-Mid ETF Invesco Exchange-Traded Fund Trust | 425,347 | 303K $ | 0.01 % | as of Jul 31, 2026 ↗ |
| Fidelity Total Market Index Fund Fidelity Concord Street Trust | 328,187 | 390.5K $ | 0.00 % | as of May 31, 2026 ↗ |
| Fidelity Series Total Market Index Fund Fidelity Concord Street Trust | 270,587 | 322K $ | 0.00 % | as of May 31, 2026 ↗ |
| Ultra-Small Company Market Fund Bridgeway Funds, Inc. | 200,000 | 177K $ | 0.12 % | as of Jun 30, 2026 ↗ |
| VANGUARD RUSSELL 2000 VALUE INDEX FUND VANGUARD SCOTTSDALE FUNDS | 132,626 | 157.8K $ | 0.01 % | as of May 31, 2026 ↗ |
| Fidelity Nasdaq Composite Index Fund Fidelity Concord Street Trust | 111,123 | 132.2K $ | 0.00 % | as of May 31, 2026 ↗ |
| Fidelity ZERO Total Market Index Fund Fidelity Concord Street Trust | 106,167 | 75.6K $ | 0.00 % | as of Jul 31, 2026 ↗ |
| VANGUARD BALANCED INDEX FUND VANGUARD VALLEY FORGE FUNDS | 83,559 | 73.9K $ | 0.00 % | as of Jun 30, 2026 ↗ |
| Schwab Total Stock Market Index Fund SCHWAB CAPITAL TRUST | 76,645 | 54.6K $ | 0.00 % | as of Jul 31, 2026 ↗ |
| Small Cap Index Fund VALIC Co I | 73,366 | 87.3K $ | 0.01 % | as of May 31, 2026 ↗ |
| VANGUARD INSTITUTIONAL TOTAL STOCK MARKET INDEX FUND VANGUARD INSTITUTIONAL INDEX FUNDS | 68,080 | 60.3K $ | 0.00 % | as of Jun 30, 2026 ↗ |
| Bridge Builder Small/Mid Cap Value Fund Bridge Builder Trust | 67,433 | 59.7K $ | 0.00 % | as of Jun 30, 2026 ↗ |
| Fidelity ZERO Extended Market Index Fund Fidelity Concord Street Trust | 62,401 | 44.5K $ | 0.00 % | as of Jul 31, 2026 ↗ |
| Goldman Sachs Absolute Return Tracker Fund GOLDMAN SACHS TRUST | 58,539 | 51.8K $ | 0.00 % | as of Jun 30, 2026 ↗ |
| Fidelity Flex Small Cap Index Fund Fidelity Salem Street Trust | 31,149 | 22.2K $ | 0.01 % | as of Jul 31, 2026 ↗ |
| SIIT EXTENDED MARKET INDEX FUND SEI INSTITUTIONAL INVESTMENTS TRUST | 21,500 | 25.6K $ | 0.00 % | as of May 31, 2026 ↗ |
| Victory Extended Market Index Fund Victory Portfolios III | 19,630 | 14K $ | 0.00 % | as of Jul 31, 2026 ↗ |
| VIP Extended Market Index Portfolio Variable Insurance Products Fund II | 13,270 | 11.7K $ | 0.00 % | as of Jun 30, 2026 ↗ |
| VANGUARD RUSSELL 3000 INDEX FUND VANGUARD SCOTTSDALE FUNDS | 12,899 | 15.3K $ | 0.00 % | as of May 31, 2026 ↗ |
| Invesco Nasdaq Biotechnology ETF Invesco Exchange-Traded Fund Trust II | 10,304 | 12.3K $ | 0.02 % | as of May 31, 2026 ↗ |
| ProShares Russell 2000 High Income ETF ProShares Trust | 7,954 | 9.5K $ | 0.01 % | as of May 31, 2026 ↗ |
| ProShares Ultra Nasdaq Biotechnology ProShares Trust | 7,230 | 8.6K $ | 0.01 % | as of May 31, 2026 ↗ |
| ProShares UltraPro Russell2000 ProShares Trust | 6,285 | 7.5K $ | 0.00 % | as of May 31, 2026 ↗ |
| ProShares Ultra Russell2000 ProShares Trust | 6,220 | 7.4K $ | 0.00 % | as of May 31, 2026 ↗ |
| Morgan Stanley Pathway Small-Mid Cap Equity ETF MORGAN STANLEY PATHWAY FUNDS | 4,310 | 5.1K $ | 0.00 % | as of May 31, 2026 ↗ |
| Destinations Small-Mid Cap Equity Fund Brinker Capital Destinations Trust | 3,978 | 4.7K $ | 0.00 % | as of May 31, 2026 ↗ |
| VIP Total Market Index Portfolio Variable Insurance Products Fund II | 3,910 | 3.5K $ | 0.00 % | as of Jun 30, 2026 ↗ |
| Total Stock Market Index Trust John Hancock Variable Insurance Trust | 3,255 | 2.9K $ | 0.00 % | as of Jun 30, 2026 ↗ |
| Knights of Columbus U.S. ALL CAP INDEX FUND ADVISORS' INNER CIRCLE III | 892 | 635.5 $ | 0.00 % | as of Jul 31, 2026 ↗ |
| ProShares Hedge Replication ETF ProShares Trust | 158 | 188 $ | 0.00 % | as of May 31, 2026 ↗ |
| ProShares Russell 2000 Dynamic Buffer ETF ProShares Trust | 49 | 58.3 $ | 0.01 % | as of May 31, 2026 ↗ |
The funds most exposed to it
The weight is the share of a fund's net assets. The holders table ranks funds by number of shares. This one ranks them by the weight of the company in each fund.
| Fund | Weight in fund | |
|---|---|---|
| ARK Genomic Revolution ETF ARK ETF Trust | 0.31 % | as of Jul 31, 2026 ↗ |
| Ultra-Small Company Market Fund Bridgeway Funds, Inc. | 0.12 % | as of Jun 30, 2026 ↗ |
| Invesco Nasdaq Biotechnology ETF Invesco Exchange-Traded Fund Trust II | 0.02 % | as of May 31, 2026 ↗ |
| VANGUARD RUSSELL 2000 VALUE INDEX FUND VANGUARD SCOTTSDALE FUNDS | 0.01 % | as of May 31, 2026 ↗ |
| iShares Biotechnology ETF iShares Trust | 0.01 % | as of Jun 30, 2026 ↗ |
| ProShares Ultra Nasdaq Biotechnology ProShares Trust | 0.01 % | as of May 31, 2026 ↗ |
| Invesco RAFI US 1500 Small-Mid ETF Invesco Exchange-Traded Fund Trust | 0.01 % | as of Jul 31, 2026 ↗ |
| Small Cap Index Fund VALIC Co I | 0.01 % | as of May 31, 2026 ↗ |
| VANGUARD RUSSELL 2000 INDEX FUND VANGUARD SCOTTSDALE FUNDS | 0.01 % | as of May 31, 2026 ↗ |
| Fidelity Flex Small Cap Index Fund Fidelity Salem Street Trust | 0.01 % | as of Jul 31, 2026 ↗ |
Quarter after quarter
Each row is one quarter of SEC filings, newest first. The change compares each quarter with the one before.
| Quarter | Holders | Change | Shares | Change |
|---|---|---|---|---|
| 2026Q3 | 39 | -56 | 20,258,266 | -32.1 % |
| 2026Q2 | 95 | -3 | 29,825,032 | -4.5 % |
| 2026Q1 | 98 | +5 | 31,242,736 | +11.9 % |
| 2025Q4 | 93 | +3 | 27,912,014 | -5.7 % |
| 2025Q3 | 90 | +1 | 29,589,752 | +23.8 % |
| 2025Q2 | 89 | +9 | 23,893,868 | +10.6 % |
| 2025Q1 | 80 | -1 | 21,601,103 | -12.5 % |
| 2024Q4 | 81 | -6 | 24,690,228 | -4.3 % |
| 2024Q3 | 87 | -3 | 25,792,897 | -1.0 % |
| 2024Q2 | 90 | +1 | 26,054,038 | -1.5 % |
| 2024Q1 | 89 | -7 | 26,458,468 | -2.5 % |
| 2023Q4 | 96 | 27,146,128 |
Institutional managers
151 managers declare this company to the SEC (Form 13F). The table shows the 25 largest.
| Manager | Shares | Value | |
|---|---|---|---|
| BlackRock, Inc. | 13,414,949 | 10.4M $ | as of Mar 31, 2026 |
| ARK Investment Management LLC | 6,878,899 | 5.3M $ | as of Mar 31, 2026 |
| Amova Asset Management Americas, Inc. | 4,391,666 | 3.4M $ | as of Mar 31, 2026 |
| Sumitomo Mitsui Trust Group, Inc. | 4,391,666 | 3.4M $ | as of Mar 31, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | 3,835,121 | 3M $ | as of Mar 31, 2026 |
| STATE STREET CORP | 3,770,689 | 2.9M $ | as of Mar 31, 2026 |
| AQR CAPITAL MANAGEMENT LLC | 2,392,179 | 1.9M $ | as of Mar 31, 2026 |
| UBS Group AG | 1,702,527 | 1.3M $ | as of Mar 31, 2026 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 1,464,568 | 1.1M $ | as of Mar 31, 2026 |
| NORTHERN TRUST CORP | 1,260,701 | 975.8K $ | as of Mar 31, 2026 |
| Fosun International Ltd | 743,935 | 575.8K $ | as of Mar 31, 2026 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 457,571 | 354.2K $ | as of Mar 31, 2026 |
| Nuveen, LLC | 451,367 | 349.4K $ | as of Mar 31, 2026 |
| GOLDMAN SACHS GROUP INC | 444,177 | 343.8K $ | as of Mar 31, 2026 |
| Invesco Ltd. | 406,690 | 314.8K $ | as of Mar 31, 2026 |
| XTX Topco Ltd | 389,254 | 301.3K $ | as of Mar 31, 2026 |
| Bank of New York Mellon Corp | 383,088 | 296.5K $ | as of Mar 31, 2026 |
| IEQ CAPITAL, LLC | 357,688 | 276.9K $ | as of Mar 31, 2026 |
| Knollwood Investment Advisory, LLC | 300,000 | 232.2K $ | as of Mar 31, 2026 |
| IQ EQ FUND MANAGEMENT (IRELAND) Ltd | 292,107 | 226.1K $ | as of Mar 31, 2026 |
| GROUP ONE TRADING LLC | 283,981 | 219.8K $ | as of Mar 31, 2026 |
| ALLIANCEBERNSTEIN L.P. | 272,180 | 299.4K $ | as of Mar 31, 2026 |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | 261,100 | 202.1K $ | as of Mar 31, 2026 |
| IMC-Chicago, LLC | 220,876 | 171K $ | as of Mar 31, 2026 |
| CIBC Bancorp USA Inc. | 208,510 | 161.4K $ | as of Mar 31, 2026 |
Declared shareholders of QUANTUM-SI INC
There are 2 beneficial ownership filings. These stakes do not add up. An asset manager that files includes its own funds, which already appear among the funds on this page.
| Shareholder | Declared stake | Shares | |
|---|---|---|---|
| ROTHBERG JONATHAN M and 4 others | 100.00 % | 19,937,500 | as of Aug 26, 2026 · SCHEDULE 13D |
| BlackRock, Inc. | 2.30 % | 4,598,208 | as of Jun 30, 2026 · SCHEDULE 13G |
Cite this page
Titelia. "Funds holding QUANTUM-SI INC". https://titelia.com/en/stocks/quantum-si-inc-US74765K1051