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About 65.72% of QTTB shares are held by financial institutions. GROUP ONE TRADING, L.P. is the top corporate investor, holding 34 shares valued at $218.00. A 0% stake in Q32 Bio Inc. is owned by the company. GEODE CAPITAL MANAGEMENT, LLC owns 118.15K shares valued at $758.74K, which translates its holding of 0.96% of the stake in the company.
| Date | Holder | % Stake | Shares Held | Total Value ($) | Shares | % Change in Portfolio |
|---|---|---|---|---|---|---|
| Mar 31, 2026 | GROUP ONE TRADING, L.P. | 0% | 34 | 218 | 0 | 0 |
| Mar 31, 2026 | GEODE CAPITAL MANAGEMENT, LLC | 0.96% | 118.15K | 758.74K | 12.04K | +11.35% |
| Mar 31, 2026 | RUSSELL INVESTMENTS GROUP, LTD. | 0% | 454 | 2.92K | 0 | 0 |
| Mar 31, 2026 | HARBOUR INVESTMENTS, INC. | 0% | 11 | 71 | 0 | 0 |
| Mar 31, 2026 | CARLYLE GROUP INC. | 8.97% | 1.1M | 7.08M | 0 | 0 |
| Mar 31, 2026 | ARCH VENTURE MANAGEMENT, LLC | 2.61% | 320.48K | 2.06M | 0 | 0 |
| Mar 31, 2026 | ACORN CAPITAL ADVISORS, LLC | 2.56% | 315.05K | 2.02M | -178.37K | -36.15% |
| Mar 31, 2026 | 2.49% | 306.4K | 1.97M | 306.4K | +100.00% | |
| Mar 31, 2026 | MACKENZIE FINANCIAL CORP | 2% | 246.3K | 1.58M | 246.3K | +100.00% |
| Mar 31, 2026 | SANOFI | 1.98% | 244.08K | 1.57M | 0 | 0 |
| Mar 31, 2026 | JANE STREET GROUP, LLC | 0.53% | 65.6K | 421.15K | 40.23K | +158.53% |
| Mar 31, 2026 | NORTHERN TRUST CORP | 0.2% | 25.03K | 160.71K | 0 | 0 |
| Mar 31, 2026 | CWM, LLC | 0% | 39 | 250 | 39 | +100.00% |
| Mar 31, 2026 | ROCKEFELLER CAPITAL MANAGEMENT L.P. | 0% | 577 | 3.7K | 0 | 0 |
| Mar 31, 2026 | JONES FINANCIAL COMPANIES LLLP | 0% | 500 | 3.63K | 0 | 0 |
| Mar 31, 2026 | ORBIMED ADVISORS LLC | 18.32% | 2.25M | 14.46M | 0 | 0 |
| Mar 31, 2026 | OPALEYE MANAGEMENT INC. | 10.21% | 1.26M | 8.06M | 1.04M | +488.78% |
| Mar 31, 2026 | PFIZER INC | 0.83% | 101.62K | 736.73K | -176.16K | -63.42% |
| Mar 31, 2026 | MARSHALL WACE, LLP | 0.43% | 52.44K | 336.66K | 52.44K | +100.00% |
| Mar 31, 2026 | ROYAL BANK OF CANADA | 0.02% | 2.74K | 18K | 2.51K | +1,067.66% |
| Mar 31, 2026 | FMR LLC | 0.03% | 3.4K | 21.83K | 36 | +1.07% |
| Mar 31, 2026 | EVERSOURCE WEALTH ADVISORS, LLC | 0.04% | 4.64K | 29.79K | 0 | 0 |
| Mar 31, 2026 | MORGAN STANLEY | 0.08% | 9.56K | 61.38K | 4.08K | +74.52% |
| Mar 31, 2026 | BRIDGEWAY CAPITAL MANAGEMENT, LLC | 0.1% | 12.61K | 80.98K | 12.61K | +100.00% |
| Mar 31, 2026 | CITADEL ADVISORS LLC | 0.13% | 15.48K | 99.39K | -30.25K | -66.15% |
| Mar 31, 2026 | AMERICAN CENTURY COMPANIES INC | 0.15% | 18.77K | 120.5K | 18.77K | +100.00% |
| Mar 31, 2026 | CETERA INVESTMENT ADVISERS | 0.17% | 20.7K | 132.86K | 20.7K | +100.00% |
| Mar 31, 2026 | AFFINITY ASSET ADVISORS, LLC | 0.23% | 27.78K | 178.33K | 0 | 0 |
| Mar 31, 2026 | VANGUARD FIDUCIARY TRUST CO | 0.41% | 50K | 320.97K | 50K | +100.00% |
| Mar 31, 2026 | BLACKROCK, INC. | 0.7% | 86.15K | 553.06K | 26.22K | +43.74% |
| Mar 31, 2026 | SBI SECURITIES CO., LTD. | 0% | 104 | 668 | -53 | -33.76% |
| Mar 31, 2026 | NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO | 0% | 111 | 713 | 81 | +270.00% |
| Mar 31, 2026 | ADAR1 CAPITAL MANAGEMENT, LLC | 0.28% | 35K | 224.7K | 15K | +75.00% |
| Mar 31, 2026 | STATE STREET CORP | 0.34% | 41.51K | 266.52K | 20.28K | +95.48% |
| Mar 31, 2026 | TWO SIGMA INVESTMENTS, LP | 0.34% | 42.35K | 271.86K | -4.48K | -9.57% |
| Mar 31, 2026 | MONACO ASSET MANAGEMENT SAM | 0% | 0 | - | -50.92K | -100.00% |
| Mar 31, 2026 | HRT FINANCIAL LP | 0% | 0 | - | -24.7K | -100.00% |
| Mar 31, 2026 | JPMORGAN CHASE & CO | 0% | 0 | - | -324 | -100.00% |
| Mar 31, 2026 | DANSKE BANK A/S | 0% | 1 | 6 | 0 | 0 |
| Mar 31, 2026 | ADVISORNET FINANCIAL, INC | 0% | 2 | 13 | 0 | 0 |
| Mar 31, 2026 | ATLAS VENTURE LIFE SCIENCE ADVISORS, LLC | 17.01% | 2.09M | 13.43M | 0 | 0 |
| Mar 31, 2026 | CAMBRIDGE INVESTMENT RESEARCH ADVISORS, INC. | 0.28% | 35.03K | 225K | 35.03K | +100.00% |
| Mar 31, 2026 | MONIMUS CAPITAL MANAGEMENT, LP | 1.09% | 134.31K | 862.27K | 134.31K | +100.00% |
| Mar 31, 2026 | ACADIAN ASSET MANAGEMENT LLC | 1.4% | 172.59K | 1.11M | 124.21K | +256.78% |
| Mar 31, 2026 | RENAISSANCE TECHNOLOGIES LLC | 1.68% | 206.92K | 1.33M | 107.32K | +107.75% |
| Mar 31, 2026 | SRS CAPITAL ADVISORS, INC. | 0.01% | 1.15K | 7.37K | 37 | +3.33% |
| Mar 31, 2026 | FEDERATION DES CAISSES DESJARDINS DU QUEBEC | 0% | 70 | 446 | 0 | 0 |
| Mar 31, 2026 | WELLS FARGO & COMPANY/MN | 0% | 84 | 539 | 84 | +100.00% |
| Mar 31, 2026 | ALLWORTH FINANCIAL LP | 0% | 98 | 630 | 0 | 0 |
| Mar 31, 2026 | ADVISOR GROUP HOLDINGS, INC. | 0% | 124 | 796 | -8 | -6.06% |
| Mar 31, 2026 | NISA INVESTMENT ADVISORS, LLC | 0% | 166 | 1.07K | 0 | 0 |
| Mar 31, 2026 | UBS GROUP AG | 0% | 270 | 1.73K | -13.34K | -98.02% |
| Mar 31, 2026 | BNP PARIBAS ARBITRAGE, SNC | 0% | 303 | 1.95K | -5 | -1.62% |
| Mar 31, 2026 | TOWER RESEARCH CAPITAL LLC (TRC) | 0.02% | 1.87K | 12.01K | 895 | +91.70% |
| Mar 31, 2026 | VANGUARD GLOBAL ADVISERS, LLC | 0.02% | 1.92K | 12.29K | 1.92K | +100.00% |
| Mar 31, 2026 | FEDERATED HERMES, INC. | 0.02% | 2.27K | 14.59K | 0 | 0 |
| Dec 31, 2025 | DANSKE BANK A/S | 0% | 1 | 3 | 0 | 0 |
| Dec 31, 2025 | CARLYLE GROUP INC. | 9.01% | 1.1M | 3.62M | 0 | 0 |
| Dec 31, 2025 | VANGUARD GROUP INC | 2.62% | 321.05K | 1.07M | 25.64K | +8.68% |
| Dec 31, 2025 | PFIZER INC | 2.27% | 277.78K | 922.22K | 0 | 0 |
| Dec 31, 2025 | SANOFI | 1.99% | 244.08K | 810.36K | 0 | 0 |
| Dec 31, 2025 | GEODE CAPITAL MANAGEMENT, LLC | 0.87% | 106.11K | 352.4K | 17.62K | +19.91% |
| Dec 31, 2025 | RENAISSANCE TECHNOLOGIES LLC | 0.81% | 99.6K | 330.67K | 52.3K | +110.57% |
| Dec 31, 2025 | BLACKROCK, INC. | 0.49% | 59.93K | 198.97K | -33.07K | -35.56% |
| Dec 31, 2025 | MONACO ASSET MANAGEMENT SAM | 0.42% | 50.92K | 169.05K | -260.22K | -83.63% |
| Dec 31, 2025 | ACADIAN ASSET MANAGEMENT LLC | 0.4% | 48.37K | 159K | 18.63K | +62.66% |
| Dec 31, 2025 | TOWER RESEARCH CAPITAL LLC (TRC) | 0.01% | 976 | 3.24K | -5.51K | -84.94% |
| Dec 31, 2025 | ORBIMED ADVISORS LLC | 18.41% | 2.25M | 7.48M | 0 | 0 |
| Dec 31, 2025 | ACORN CAPITAL ADVISORS, LLC | 4.03% | 493.43K | 1.64M | -310K | -38.58% |
| Dec 31, 2025 | ARCH VENTURE MANAGEMENT, LLC | 2.62% | 320.48K | 1.06M | 0 | 0 |
| Dec 31, 2025 | OPALEYE MANAGEMENT INC. | 1.74% | 213.36K | 708.37K | 213.36K | +100.00% |
| Dec 31, 2025 | AFFINITY ASSET ADVISORS, LLC | 0.23% | 27.78K | 92.22K | 0 | 0 |
| Dec 31, 2025 | GF FUND MANAGEMENT CO. LTD. | 0% | 0 | - | -227 | -100.00% |
| Dec 31, 2025 | SBI SECURITIES CO., LTD. | 0% | 157 | 521 | -8K | -98.08% |
| Dec 31, 2025 | CITIGROUP INC | 0% | 0 | - | -236 | -100.00% |
| Dec 31, 2025 | JPMORGAN CHASE & CO | 0% | 324 | 1.08K | 320 | +8,000.00% |
| Dec 31, 2025 | BNP PARIBAS ARBITRAGE, SNC | 0% | 308 | 1.02K | -124 | -28.70% |
| Dec 31, 2025 | ROYAL BANK OF CANADA | 0% | 235 | 1K | -818 | -77.68% |
| Dec 31, 2025 | NISA INVESTMENT ADVISORS, LLC | 0% | 166 | 551 | 0 | 0 |
| Dec 31, 2025 | RUSSELL INVESTMENTS GROUP, LTD. | 0% | 454 | 1.51K | 0 | 0 |
| Dec 31, 2025 | ADVISOR GROUP HOLDINGS, INC. | 0% | 132 | 437 | -55 | -29.41% |
| Dec 31, 2025 | ALLWORTH FINANCIAL LP | 0% | 98 | 326 | -512 | -83.93% |
| Dec 31, 2025 | FEDERATION DES CAISSES DESJARDINS DU QUEBEC | 0% | 70 | 231 | 0 | 0 |
| Dec 31, 2025 | GROUP ONE TRADING, L.P. | 0% | 34 | 113 | 0 | 0 |
| Dec 31, 2025 | HARBOUR INVESTMENTS, INC. | 0% | 11 | 37 | 0 | 0 |
| Dec 31, 2025 | SRS CAPITAL ADVISORS, INC. | 0.01% | 1.11K | 3.69K | -104 | -8.56% |
| Dec 31, 2025 | MILLENNIUM MANAGEMENT LLC | 0.42% | 51.27K | 170.21K | -53.5K | -51.07% |
| Dec 31, 2025 | TWO SIGMA INVESTMENTS, LP | 0.38% | 46.83K | 155.46K | 15.32K | +48.62% |
| Dec 31, 2025 | CITADEL ADVISORS LLC | 0.37% | 45.73K | 151.82K | 35.61K | +351.99% |
| Dec 31, 2025 | XTX TOPCO LTD | 0.17% | 20.35K | 67.57K | 20.35K | +100.00% |
| Dec 31, 2025 | UBS GROUP AG | 0.11% | 13.61K | 45.17K | 8.36K | +159.36% |
| Dec 31, 2025 | MORGAN STANLEY | 0.04% | 5.48K | 18.19K | -5.87K | -51.71% |
| Dec 31, 2025 | EVERSOURCE WEALTH ADVISORS, LLC | 0.04% | 4.64K | 15.41K | -385 | -7.66% |
| Dec 31, 2025 | FEDERATED HERMES, INC. | 0.02% | 2.27K | 7.55K | -101 | -4.25% |
| Dec 31, 2025 | GLOBAL RETIREMENT PARTNERS, LLC | 0.01% | 1.5K | 4.98K | -3.5K | -70.00% |
| Dec 31, 2025 | NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO | 0% | 30 | 100 | 30 | +100.00% |
| Dec 31, 2025 | BARCLAYS PLC | 0% | 19 | 63 | -803 | -97.69% |
| Dec 31, 2025 | ADVISORNET FINANCIAL, INC | 0% | 2 | 7 | 0 | 0 |
| Dec 31, 2025 | ST GERMAIN D J CO INC | 0% | 0 | - | -11 | -100.00% |
| Dec 31, 2025 | TRUSTEES OF COLUMBIA UNIVERSITY IN THE CITY OF NEW YORK | 0% | 0 | - | -133.9K | -100.00% |
| Dec 31, 2025 | TWO SIGMA SECURITIES, LLC | 0% | 0 | - | -13.75K | -100.00% |
| Dec 31, 2025 | MIRAE ASSET GLOBAL INVESTMENTS CO., LTD. | 0% | 0 | - | -472 | -100.00% |
| Dec 31, 2025 | CHINA UNIVERSAL ASSET MANAGEMENT CO., LTD. | 0% | 0 | - | -2.14K | -100.00% |
| Dec 31, 2025 | DLK INVESTMENT MANAGEMENT, LLC | 0% | 0 | - | -10.33K | -100.00% |
| Dec 31, 2025 | JONES FINANCIAL COMPANIES LLLP | 0% | 500 | 1.66K | 500 | +100.00% |
| Dec 31, 2025 | ROCKEFELLER CAPITAL MANAGEMENT L.P. | 0% | 577 | 1.92K | 0 | 0 |
| Dec 31, 2025 | BANK OF AMERICA CORP /DE/ | 0.01% | 1.04K | 3.44K | -490 | -32.13% |
| Dec 31, 2025 | FMR LLC | 0.03% | 3.36K | 11.17K | -12.5K | -78.80% |
| Dec 31, 2025 | SCIENTECH RESEARCH LLC | 0.13% | 15.51K | 51.49K | 15.51K | +100.00% |
| Dec 31, 2025 | ADAR1 CAPITAL MANAGEMENT, LLC | 0.16% | 20K | 66.4K | 20K | +100.00% |
| Dec 31, 2025 | HRT FINANCIAL LP | 0.2% | 24.7K | 81K | 9.86K | +66.47% |
| Dec 31, 2025 | NORTHERN TRUST CORP | 0.2% | 25.03K | 83.11K | -6.92K | -21.66% |
| Dec 31, 2025 | JANE STREET GROUP, LLC | 0.21% | 25.37K | 84.24K | 25.37K | +100.00% |
| Dec 31, 2025 | ATLAS VENTURE LIFE SCIENCE ADVISORS, LLC | 17.09% | 2.09M | 6.95M | 0 | 0 |
| Dec 31, 2025 | STATE STREET CORP | 0.17% | 21.24K | 70.51K | 0 | 0 |
| Sep 30, 2025 | CWM, LLC | 0% | 0 | - | -4.77K | -100.00% |
| Sep 30, 2025 | GROUP ONE TRADING, L.P. | 0% | 34 | 67 | 34 | +100.00% |
| Sep 30, 2025 | CITADEL ADVISORS LLC | 0.08% | 10.12K | 20.03K | 10.12K | +100.00% |
| Sep 30, 2025 | EVERSOURCE WEALTH ADVISORS, LLC | 0.04% | 5.03K | 9.95K | -276 | -5.21% |
| Sep 30, 2025 | MILLENNIUM MANAGEMENT LLC | 0.86% | 104.77K | 207.45K | -25.61K | -19.64% |
| Sep 30, 2025 | BLACKROCK, INC. | 0.76% | 93.01K | 184.15K | -85.67K | -47.95% |
| Sep 30, 2025 | GEODE CAPITAL MANAGEMENT, LLC | 0.73% | 88.5K | 175.29K | 26.9K | +43.66% |
| Sep 30, 2025 | RENAISSANCE TECHNOLOGIES LLC | 0.39% | 47.3K | 93.65K | -29.7K | -38.57% |
| Sep 30, 2025 | NORTHERN TRUST CORP | 0.26% | 31.95K | 63.27K | 5.9K | +22.62% |
| Sep 30, 2025 | TWO SIGMA INVESTMENTS, LP | 0.26% | 31.51K | 62.38K | 31.51K | +100.00% |
| Sep 30, 2025 | UBS GROUP AG | 0.04% | 5.25K | 10.39K | -7.33K | -58.29% |
| Sep 30, 2025 | TRUE WEALTH DESIGN, LLC | 0% | 0 | - | -67 | -100.00% |
| Sep 30, 2025 | ATLAS VENTURE LIFE SCIENCE ADVISORS, LLC | 17.15% | 2.09M | 4.14M | 0 | 0 |
| Sep 30, 2025 | STATE STREET CORP | 0.17% | 21.24K | 42.05K | -5.7K | -21.16% |
| Sep 30, 2025 | AFFINITY ASSET ADVISORS, LLC | 0.23% | 27.78K | 55K | 0 | 0 |
| Sep 30, 2025 | FEDERATION DES CAISSES DESJARDINS DU QUEBEC | 0% | 70 | 137 | 0 | 0 |
| Sep 30, 2025 | CBIZ INVESTMENT ADVISORY SERVICES, LLC | 0% | 0 | - | -5 | -100.00% |
| Sep 30, 2025 | ORBIMED ADVISORS LLC | 18.47% | 2.25M | 4.46M | 0 | 0 |
| Sep 30, 2025 | CARLYLE GROUP INC. | 9.04% | 1.1M | 2.13M | 0 | 0 |
| Sep 30, 2025 | ACORN CAPITAL ADVISORS, LLC | 6.59% | 803.43K | 1.59M | 0 | 0 |
| Sep 30, 2025 | ARCH VENTURE MANAGEMENT, LLC | 2.63% | 320.48K | 634.55K | 0 | 0 |
| Sep 30, 2025 | TOWER RESEARCH CAPITAL LLC (TRC) | 0.05% | 6.48K | 12.83K | 230 | +3.68% |
| Sep 30, 2025 | DANSKE BANK A/S | 0% | 1 | 2 | 1 | +100.00% |
| Sep 30, 2025 | WELLS FARGO & COMPANY/MN | 0% | 0 | - | -139 | -100.00% |
| Sep 30, 2025 | RAYMOND JAMES FINANCIAL INC | 0% | 0 | - | -10.75K | -100.00% |
| Sep 30, 2025 | OPPENHEIMER & CO INC | 0% | 0 | - | -13K | -100.00% |
| Sep 30, 2025 | MONACO ASSET MANAGEMENT SAM | 2.55% | 311.14K | 616.05K | -280.8K | -47.44% |
| Sep 30, 2025 | BNP PARIBAS ARBITRAGE, SNC | 0% | 432 | 855 | 29 | +7.20% |
| Sep 30, 2025 | GF FUND MANAGEMENT CO. LTD. | 0% | 227 | 449 | -37 | -14.02% |
| Sep 30, 2025 | HARBOUR INVESTMENTS, INC. | 0% | 11 | 22 | 0 | 0 |
| Sep 30, 2025 | ST GERMAIN D J CO INC | 0% | 11 | 22 | 0 | 0 |
| Sep 30, 2025 | SBI SECURITIES CO., LTD. | 0.07% | 8.16K | 16.15K | 1 | +0.01% |
| Sep 30, 2025 | ALLWORTH FINANCIAL LP | 0.01% | 610 | 1.21K | 594 | +3,712.50% |
| Sep 30, 2025 | MIRAE ASSET GLOBAL INVESTMENTS CO., LTD. | 0% | 472 | 935 | 1 | +0.21% |
| Sep 30, 2025 | ADVISOR GROUP HOLDINGS, INC. | 0% | 187 | 367 | 8 | +4.47% |
| Sep 30, 2025 | JPMORGAN CHASE & CO | 0% | 4 | 8 | 4 | +100.00% |
| Sep 30, 2025 | RUSSELL INVESTMENTS GROUP, LTD. | 0% | 454 | 899 | 0 | 0 |
| Sep 30, 2025 | HRT FINANCIAL LP | 0.12% | 14.84K | 29K | 14.84K | +100.00% |
| Sep 30, 2025 | CITIGROUP INC | 0% | 236 | 467 | -1.59K | -87.05% |
| Sep 30, 2025 | TWO SIGMA SECURITIES, LLC | 0.11% | 13.75K | 27.22K | 13.75K | +100.00% |
| Sep 30, 2025 | DLK INVESTMENT MANAGEMENT, LLC | 0.08% | 10.33K | 20.46K | 0 | 0 |
| Sep 30, 2025 | ADVISORNET FINANCIAL, INC | 0% | 2 | 4 | 0 | 0 |
| Sep 30, 2025 | SRS CAPITAL ADVISORS, INC. | 0.01% | 1.22K | 2.41K | 104 | +9.36% |
| Sep 30, 2025 | ROCKEFELLER CAPITAL MANAGEMENT L.P. | 0% | 577 | 1.14K | 577 | +100.00% |
| Sep 30, 2025 | VANGUARD GROUP INC | 2.42% | 295.41K | 584.91K | 25.98K | +9.64% |
| Sep 30, 2025 | PFIZER INC | 2.28% | 277.78K | 550K | 0 | 0 |
| Sep 30, 2025 | SANOFI | 2% | 244.08K | 483.28K | 0 | 0 |
| Sep 30, 2025 | FMR LLC | 0.13% | 15.87K | 31.42K | -26.57K | -62.61% |
| Sep 30, 2025 | FEDERATED HERMES, INC. | 0.02% | 2.37K | 4.7K | -78 | -3.18% |
| Sep 30, 2025 | CHINA UNIVERSAL ASSET MANAGEMENT CO., LTD. | 0.02% | 2.14K | 4.23K | -312 | -12.73% |
| Sep 30, 2025 | BANK OF AMERICA CORP /DE/ | 0.01% | 1.53K | 3.02K | -673 | -30.62% |
| Sep 30, 2025 | MARSHALL WACE, LLP | 0% | 0 | - | -16.93K | -100.00% |
| Sep 30, 2025 | SIMPLEX TRADING, LLC | 0% | 0 | - | -813 | -100.00% |
| Sep 30, 2025 | TRUSTEES OF COLUMBIA UNIVERSITY IN THE CITY OF NEW YORK | 1.1% | 133.9K | 265.13K | 0 | 0 |
| Sep 30, 2025 | ROYAL BANK OF CANADA | 0.01% | 1.05K | 2K | -5.27K | -83.33% |
| Sep 30, 2025 | NISA INVESTMENT ADVISORS, LLC | 0% | 166 | 329 | -423 | -71.82% |
| Sep 30, 2025 | ACADIAN ASSET MANAGEMENT LLC | 0.24% | 29.74K | 58K | 0 | 0 |
| Sep 30, 2025 | MORGAN STANLEY | 0.09% | 11.34K | 22.46K | -7.31K | -39.17% |
| Sep 30, 2025 | GLOBAL RETIREMENT PARTNERS, LLC | 0.04% | 5K | 9.9K | 5K | +100.00% |
| Sep 30, 2025 | BARCLAYS PLC | 0.01% | 822 | 1.63K | -231 | -21.94% |
| Jun 30, 2025 | MILLENNIUM MANAGEMENT LLC | 1.07% | 130.38K | 194.27K | 130.38K | +100.00% |
| Jun 30, 2025 | CHINA UNIVERSAL ASSET MANAGEMENT CO., LTD. | 0.02% | 2.45K | 3.65K | 7 | +0.29% |
| Jun 30, 2025 | ORBIMED ADVISORS LLC | 18.47% | 2.25M | 3.36M | 0 | 0 |
| Jun 30, 2025 | CARLYLE GROUP INC. | 9.04% | 1.1M | 1.62M | 0 | 0 |
| Jun 30, 2025 | MONACO ASSET MANAGEMENT SAM | 4.85% | 591.94K | 881.99K | 86.49K | +17.11% |
| Jun 30, 2025 | SANOFI | 2% | 244.08K | 363.68K | 0 | 0 |
| Jun 30, 2025 | AFFINITY ASSET ADVISORS, LLC | 0.23% | 27.78K | 41.39K | 0 | 0 |
| Jun 30, 2025 | ADVISORNET FINANCIAL, INC | 0% | 2 | 3 | 0 | 0 |
| Jun 30, 2025 | BANK OF NEW YORK MELLON CORP | 0% | 0 | - | -16.19K | -100.00% |
| Jun 30, 2025 | FORTITUDE FAMILY OFFICE, LLC | 0% | 0 | - | -562 | -100.00% |
| Jun 30, 2025 | COREBRIDGE FINANCIAL, INC. | 0% | 0 | - | -2.99K | -100.00% |
| Jun 30, 2025 | CORECAP ADVISORS, LLC | 0% | 0 | - | -107 | -100.00% |
| Jun 30, 2025 | MARINER, LLC | 0.1% | 11.78K | 17.55K | -73K | -86.11% |
| Jun 30, 2025 | RAYMOND JAMES FINANCIAL INC | 0.09% | 10.75K | 16.01K | 0 | 0 |
| Jun 30, 2025 | AQR CAPITAL MANAGEMENT LLC | 0.22% | 26.53K | 39.53K | -14.77K | -35.77% |
| Jun 30, 2025 | MORGAN STANLEY | 0.15% | 18.65K | 27.79K | 3.99K | +27.23% |
| Jun 30, 2025 | CBIZ INVESTMENT ADVISORY SERVICES, LLC | 0% | 5 | 7 | 0 | 0 |
| Jun 30, 2025 | 0% | 264 | 393 | 0 | 0 | |
| Jun 30, 2025 | NATIONAL BANK OF CANADA /FI/ | 0% | 1 | 1 | -5.04K | -99.98% |
| Jun 30, 2025 | JPMORGAN CHASE & CO | 0% | 0 | - | -2.93K | -100.00% |
| Jun 30, 2025 | LEGAL & GENERAL GROUP PLC | 0% | 0 | - | -523 | -100.00% |
| Jun 30, 2025 | NEW YORK STATE COMMON RETIREMENT FUND | 0% | 0 | - | -2.4K | -100.00% |
| Jun 30, 2025 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 0% | 0 | - | -14.19K | -100.00% |
| Jun 30, 2025 | DEUTSCHE BANK AG\ | 0% | 0 | - | -25.02K | -100.00% |
| Jun 30, 2025 | AMERITAS INVESTMENT PARTNERS, INC. | 0% | 0 | - | -591 | -100.00% |
| Jun 30, 2025 | CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM | 0% | 0 | - | -437 | -100.00% |
| Jun 30, 2025 | COLDSTREAM CAPITAL MANAGEMENT INC | 0% | 0 | - | -1.11K | -100.00% |
| Jun 30, 2025 | RHUMBLINE ADVISERS | 0% | 0 | - | -11.16K | -100.00% |
| Jun 30, 2025 | THOMPSON INVESTMENT MANAGEMENT, INC. | 0% | 0 | - | -4 | -100.00% |
| Jun 30, 2025 | STERLING CAPITAL MANAGEMENT LLC | 0% | 0 | - | -105 | -100.00% |
| Jun 30, 2025 | SQUAREPOINT OPS LLC | 0% | 0 | - | -14.53K | -100.00% |
| Jun 30, 2025 | MIRAE ASSET GLOBAL ETFS HOLDINGS LTD. | 0% | 0 | - | -3.62K | -100.00% |
| Jun 30, 2025 | FEDERATION DES CAISSES DESJARDINS DU QUEBEC | 0% | 70 | 104 | 0 | 0 |
| Jun 30, 2025 | RENAISSANCE TECHNOLOGIES LLC | 0.63% | 77K | 114.73K | 77K | +100.00% |
| Jun 30, 2025 | GEODE CAPITAL MANAGEMENT, LLC | 0.51% | 61.6K | 91.83K | -75.91K | -55.20% |
| Jun 30, 2025 | JANE STREET GROUP, LLC | 0.38% | 46.64K | 69.49K | 46.64K | +100.00% |
| Jun 30, 2025 | BARCLAYS PLC | 0.01% | 1.05K | 1K | -8.12K | -88.52% |
| Jun 30, 2025 | SIMPLEX TRADING, LLC | 0.01% | 813 | 1K | 813 | +100.00% |
| Jun 30, 2025 | NISA INVESTMENT ADVISORS, LLC | 0% | 589 | 878 | 589 | +100.00% |
| Jun 30, 2025 | MIRAE ASSET GLOBAL INVESTMENTS CO., LTD. | 0% | 471 | 702 | 63 | +15.44% |
| Jun 30, 2025 | ATLAS VENTURE LIFE SCIENCE ADVISORS, LLC | 17.15% | 2.09M | 3.12M | 0 | 0 |
| Jun 30, 2025 | ARCH VENTURE MANAGEMENT, LLC | 2.63% | 320.48K | 477.52K | 0 | 0 |
| Jun 30, 2025 | PFIZER INC | 2.28% | 277.78K | 413.89K | 0 | 0 |
| Jun 30, 2025 | BLACKROCK, INC. | 1.46% | 178.68K | 266.23K | -278.69K | -60.93% |
| Jun 30, 2025 | TRUSTEES OF COLUMBIA UNIVERSITY IN THE CITY OF NEW YORK | 1.1% | 133.9K | 199.52K | 0 | 0 |
| Jun 30, 2025 | FMR LLC | 0.35% | 42.44K | 63.23K | -19.95K | -31.98% |
| Jun 30, 2025 | STATE STREET CORP | 0.22% | 26.94K | 40.14K | -110.56K | -80.41% |
| Jun 30, 2025 | NORTHERN TRUST CORP | 0.21% | 26.06K | 38.83K | -34.08K | -56.67% |
| Jun 30, 2025 | MARSHALL WACE, LLP | 0.14% | 16.93K | 25.22K | 16.93K | +100.00% |
| Jun 30, 2025 | OPPENHEIMER & CO INC | 0.11% | 13K | 19.37K | 13K | +100.00% |
| Jun 30, 2025 | EVERSOURCE WEALTH ADVISORS, LLC | 0.04% | 5.3K | 7.9K | 5.21K | +5,661.96% |
| Jun 30, 2025 | CWM, LLC | 0.04% | 4.77K | 7K | 1.31K | +37.87% |
| Jun 30, 2025 | FEDERATED HERMES, INC. | 0.02% | 2.45K | 3.65K | -30 | -1.21% |
| Jun 30, 2025 | BANK OF AMERICA CORP /DE/ | 0.02% | 2.2K | 3.28K | -5.09K | -69.86% |
| Jun 30, 2025 | CITIGROUP INC | 0.01% | 1.82K | 2.72K | -2.58K | -58.61% |
| Jun 30, 2025 | SRS CAPITAL ADVISORS, INC. | 0.01% | 1.11K | 1.66K | 1.11K | +100.00% |
| Jun 30, 2025 | HARBOUR INVESTMENTS, INC. | 0% | 11 | 16 | 0 | 0 |
| Jun 30, 2025 | ST GERMAIN D J CO INC | 0% | 11 | 16 | 0 | 0 |
| Jun 30, 2025 | ACADIAN ASSET MANAGEMENT LLC | 0.24% | 29.74K | 44K | -1.4K | -4.49% |
| Jun 30, 2025 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 0.11% | 12.91K | 19.23K | 2.1K | +19.42% |
| Jun 30, 2025 | UBS GROUP AG | 0.1% | 12.58K | 18.74K | -20.86K | -62.38% |
| Jun 30, 2025 | DLK INVESTMENT MANAGEMENT, LLC | 0.08% | 10.33K | 15.4K | 10.33K | +100.00% |
| Jun 30, 2025 | ROYAL BANK OF CANADA | 0.05% | 6.32K | 10K | 4.63K | +274.29% |
| Jun 30, 2025 | TOWER RESEARCH CAPITAL LLC (TRC) | 0.05% | 6.25K | 9.32K | 3.08K | +96.79% |
| Jun 30, 2025 | RUSSELL INVESTMENTS GROUP, LTD. | 0% | 454 | 676 | -197 | -30.26% |
| Jun 30, 2025 | BNP PARIBAS ARBITRAGE, SNC | 0% | 403 | 600 | -182 | -31.11% |
| Jun 30, 2025 | WELLS FARGO & COMPANY/MN | 0% | 139 | 207 | -3.52K | -96.20% |
| Jun 30, 2025 | TRUE WEALTH DESIGN, LLC | 0% | 67 | 100 | 60 | +857.14% |
| Jun 30, 2025 | ADVISOR GROUP HOLDINGS, INC. | 0% | 179 | 266 | -126 | -41.31% |
| Jun 30, 2025 | ALLWORTH FINANCIAL LP | 0% | 16 | 24 | 0 | 0 |
| Jun 30, 2025 | VANGUARD GROUP INC | 2.21% | 269.43K | 401.45K | -39.79K | -12.87% |
| Jun 30, 2025 | GOLDMAN SACHS GROUP INC | 0.52% | 63.54K | 94.67K | 19.17K | +43.19% |
| Jun 30, 2025 | CITADEL ADVISORS LLC | 0.09% | 10.9K | 16.24K | 10.9K | +100.00% |
| Jun 30, 2025 | ACORN CAPITAL ADVISORS, LLC | 6.59% | 803.43K | 1.2M | 0 | 0 |
| Jun 30, 2025 | SBI SECURITIES CO., LTD. | 0.07% | 8.16K | 12.15K | 8.01K | +5,447.62% |
| Jun 30, 2025 | GF FUND MANAGEMENT CO. LTD. | 0% | 264 | 393 | 0 | 0 |
| Mar 31, 2025 | LEGAL & GENERAL GROUP PLC | 0% | 523 | 863 | 0 | 0 |
| Mar 31, 2025 | MIRAE ASSET GLOBAL ETFS HOLDINGS LTD. | 0.03% | 3.62K | 5.97K | 156 | +4.50% |
| Mar 31, 2025 | WELLS FARGO & COMPANY/MN | 0.03% | 3.66K | 6.04K | 80 | +2.24% |
| Mar 31, 2025 | NATIONAL BANK OF CANADA /FI/ | 0.04% | 5.04K | 8.31K | 5.01K | +18,562.96% |
| Mar 31, 2025 | RAYMOND JAMES FINANCIAL INC | 0.09% | 10.75K | 17.73K | 0 | 0 |
| Mar 31, 2025 | DEUTSCHE BANK AG\ | 0.21% | 25.02K | 41.28K | 0 | 0 |
| Mar 31, 2025 | AFFINITY ASSET ADVISORS, LLC | 0.23% | 27.78K | 45.83K | 0 | 0 |
| Mar 31, 2025 | ACADIAN ASSET MANAGEMENT LLC | 0.26% | 31.14K | 50K | 31.14K | +100.00% |
| Mar 31, 2025 | UBS GROUP AG | 0.27% | 33.43K | 55.16K | -14.55K | -30.33% |
| Mar 31, 2025 | AQR CAPITAL MANAGEMENT LLC | 0.34% | 41.3K | 68.15K | 41.3K | +100.00% |
| Mar 31, 2025 | GOLDMAN SACHS GROUP INC | 0.36% | 44.37K | 73.22K | 25.95K | +140.90% |
| Mar 31, 2025 | FMR LLC | 0.51% | 62.39K | 102.95K | 13.21K | +26.86% |
| Mar 31, 2025 | MARINER, LLC | 0.7% | 84.78K | 139.89K | -36.65K | -30.18% |
| Mar 31, 2025 | TRUSTEES OF COLUMBIA UNIVERSITY IN THE CITY OF NEW YORK | 1.1% | 133.9K | 220.94K | 0 | 0 |
| Mar 31, 2025 | STATE STREET CORP | 1.13% | 137.5K | 226.87K | 21.97K | +19.01% |
| Mar 31, 2025 | JPMORGAN CHASE & CO | 0.02% | 2.93K | 4.84K | 99 | +3.50% |
| Mar 31, 2025 | PFIZER INC | 2.28% | 277.78K | 458.33K | 0 | 0 |
| Mar 31, 2025 | AMERITAS INVESTMENT PARTNERS, INC. | 0% | 591 | 975 | 0 | 0 |
| Mar 31, 2025 | RUSSELL INVESTMENTS GROUP, LTD. | 0.01% | 651 | 1.07K | -1.21K | -64.92% |
| Mar 31, 2025 | CITIGROUP INC | 0.04% | 4.4K | 7.26K | -295 | -6.28% |
| Mar 31, 2025 | BANK OF AMERICA CORP /DE/ | 0.06% | 7.29K | 12.03K | -4.64K | -38.87% |
| Mar 31, 2025 | BARCLAYS PLC | 0.08% | 9.17K | 15K | -3.26K | -26.23% |
| Mar 31, 2025 | GEODE CAPITAL MANAGEMENT, LLC | 1.13% | 137.51K | 226.95K | 4.25K | +3.19% |
| Mar 31, 2025 | SANOFI | 2% | 244.08K | 402.74K | 0 | 0 |
| Mar 31, 2025 | ARCH VENTURE MANAGEMENT, LLC | 2.63% | 320.48K | 532K | 0 | 0 |
| Mar 31, 2025 | MONACO ASSET MANAGEMENT SAM | 4.15% | 505.45K | 833.99K | -69.37K | -12.07% |
| Mar 31, 2025 | ORBIMED ADVISORS LLC | 18.5% | 2.25M | 3.72M | 0 | 0 |
| Mar 31, 2025 | NEW YORK STATE COMMON RETIREMENT FUND | 0.02% | 2.4K | 4K | 0 | 0 |
| Mar 31, 2025 | BNP PARIBAS ARBITRAGE, SNC | 0% | 585 | 965 | -319 | -35.29% |
| Mar 31, 2025 | COLDSTREAM CAPITAL MANAGEMENT INC | 0.01% | 1.11K | 1.84K | 1.11K | +100.00% |
| Mar 31, 2025 | CHINA UNIVERSAL ASSET MANAGEMENT CO., LTD. | 0.02% | 2.44K | 4.03K | -140 | -5.42% |
| Mar 31, 2025 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | 0.09% | 10.81K | 17.84K | 10.81K | +100.00% |
| Mar 31, 2025 | FORTITUDE FAMILY OFFICE, LLC | 0% | 562 | 927 | 0 | 0 |
| Mar 31, 2025 | TOWER RESEARCH CAPITAL LLC (TRC) | 0.03% | 3.18K | 5.24K | 1.7K | +115.24% |
| Mar 31, 2025 | CWM, LLC | 0.03% | 3.46K | 6K | 3.46K | +100.00% |
| Mar 31, 2025 | BLACKROCK, INC. | 3.75% | 457.37K | 754.66K | -10.07K | -2.15% |
| Mar 31, 2025 | FEDERATED HERMES, INC. | 0.02% | 2.48K | 4.1K | 2.03K | +443.11% |
| Mar 31, 2025 | COREBRIDGE FINANCIAL, INC. | 0.02% | 2.99K | 4.93K | -44 | -1.45% |
| Mar 31, 2025 | RHUMBLINE ADVISERS | 0.09% | 11.16K | 18.4K | -94.39K | -89.43% |
| Mar 31, 2025 | MORGAN STANLEY | 0.12% | 14.66K | 24.19K | -58.21K | -79.88% |
| Mar 31, 2025 | 0.01% | 1.23K | 2.03K | 0 | 0 | |
| Mar 31, 2025 | ROYAL BANK OF CANADA | 0.01% | 1.69K | 3K | 305 | +22.05% |
| Mar 31, 2025 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 0.12% | 14.19K | 23.41K | -1.23K | -7.95% |
| Mar 31, 2025 | SQUAREPOINT OPS LLC | 0.12% | 14.53K | 23.97K | -4.48K | -23.57% |
| Mar 31, 2025 | BANK OF NEW YORK MELLON CORP | 0.13% | 16.19K | 26.72K | 1.15K | +7.65% |
| Mar 31, 2025 | CARLYLE GROUP INC. | 9.05% | 1.1M | 1.81M | 0 | 0 |
| Mar 31, 2025 | NORTHERN TRUST CORP | 0.49% | 60.13K | 99.22K | -53 | -0.09% |
| Mar 31, 2025 | VANGUARD GROUP INC | 2.54% | 309.21K | 510.2K | -7.36K | -2.32% |
Among the QTTB insiders holding of 6.52% of the stake in company, XU DIYONG, , holds the largest shares of 625K. ORBIMED ADVISORS LLC, , is the second largest QTTB insider with ownership of 625K shares. MORRISON JODIE POPE, CEO, stands third with possession of 89.1K shares of that stake.
| Insiders | Designation | Shares Held |
|---|---|---|
| XU DIYONG | 625K | |
| ORBIMED ADVISORS LLC | 625K | |
| MORRISON JODIE POPE | CEO | 89.1K |
| VIOLETTE SHELIA M. | Chief Scientific Officer | 55.57K |
| KALOWSKI LEE | CFO and President | 35.94K |
| TZIANABOS ARTHUR | director | 7.98K |
| ALLOWAY PAUL | See Remarks | 2.6K |
| MICHAUD CHARLES JR | See Remarks | 927 |
| Date | Insider | Type | Cost | Shares | Value ($) | Shares Total |
|---|---|---|---|---|---|---|
| May 28, 2026 | XU DIYONG | PURCHASE | 8.00 | 625K | 5M | 625K |
| May 28, 2026 | ORBIMED ADVISORS LLC | PURCHASE | 8.00 | 625K | 5M | 625K |
| Feb 25, 2026 | VIOLETTE SHELIA M. | SALE | 4.51 | 2.82K | 12.71K | 55.57K |
| Feb 25, 2026 | KALOWSKI LEE | SALE | 4.51 | 4K | 18.04K | 35.94K |
| Feb 25, 2026 | MORRISON JODIE POPE | SALE | 4.51 | 9.9K | 44.67K | 89.1K |
| Dec 02, 2025 | MORRISON JODIE POPE | SALE | 3.46 | 22.51K | 77.87K | 99K |
| Dec 02, 2025 | KALOWSKI LEE | SALE | 3.46 | 9.07K | 31.4K | 39.94K |
| Aug 26, 2025 | MORRISON JODIE POPE | SALE | 1.80 | 10.49K | 18.9K | 121.51K |
| Aug 26, 2025 | KALOWSKI LEE | SALE | 1.80 | 4.24K | 7.64K | 49.01K |
| Aug 26, 2025 | VIOLETTE SHELIA M. | SALE | 1.80 | 2.99K | 5.38K | 58.38K |
| Mar 25, 2024 | MICHAUD CHARLES JR | SALE | 24.20 | 75 | 1.82K | 927 |
| Mar 25, 2024 | ALLOWAY PAUL | SALE | 24.21 | 268 | 6.49K | 2.6K |
| Mar 25, 2024 | TZIANABOS ARTHUR | SALE | 24.20 | 265 | 6.41K | 7.98K |