2seventy bio, Inc. - 901384107
Detailed investor-level table based on 13F positions.
Methodology:
Market value and % of portfolio use SEC reported VALUE ($000).
For PUT/CALL positions this reflects reported underlying exposure, not premium cash paid/received.
Details.
Rows: 0
| Investor | History | Status | Shares held | Market value ($000) | % of portfolio | Previous % | Rank | Change in shares | % change in shares | Source | Date reported |
|---|---|---|---|---|---|---|---|---|---|---|---|
| GOLDMAN SACHS GROUP INC | History | Added to | 4,681,675 | 23,127 | 0.0% | 0.0% | 1 | +386,774 | 9.01% | Q1 2025 | Jun 27, 2025 |
| BlackRock, Inc. | History | Reduced | 3,971,873 | 19,621 | 0.0% | 0.0% | 2 | -250,781 | -5.94% | Q1 2025 | May 02, 2025 |
| MORGAN STANLEY | History | Added to | 2,967,078 | 14,657 | 0.0% | 0.0% | 3 | +49,194 | 1.69% | Q1 2025 | May 15, 2025 |
| VANGUARD GROUP INC | History | Reduced | 2,819,469 | 13,928 | 0.0% | 0.0% | 4 | -941,776 | -25.04% | Q1 2025 | May 09, 2025 |
| BANK OF AMERICA CORP /DE/ | History | Added to | 2,516,505 | 12,431 | 0.0% | 0.0% | 5 | +608 | 0.02% | Q1 2025 | May 15, 2025 |
| BAKER BROS. ADVISORS LP | History | No change | 2,497,526 | 12,337 | 0.14% | 0.08% | 6 | 0 | 0.0% | Q1 2025 | May 15, 2025 |
| Man Group plc | History | New | 2,043,026 | 10,092 | 0.03% | — | 7 | +2,043,026 | New | Q1 2025 | May 15, 2025 |
| GEODE CAPITAL MANAGEMENT, LLC | History | Added to | 1,207,345 | 5,965 | 0.0% | 0.0% | 8 | +33,084 | 2.82% | Q1 2025 | May 13, 2025 |
| First Trust Capital Management L.P. | History | New | 1,143,962 | 5,651 | 0.41% | — | 9 | +1,143,962 | New | Q1 2025 | Jul 25, 2025 |
| STATE STREET CORP | History | Reduced | 1,069,815 | 5,284 | 0.0% | 0.0% | 10 | -7,838 | -0.73% | Q1 2025 | May 15, 2025 |
| TORONTO DOMINION BANK | History | No change | 800,000 | 3,952 | 0.01% | 0.0% | 11 | 0 | 0.0% | Q1 2025 | May 15, 2025 |
| Groupe la Francaise | History | New | 480,000 | 2,378 | 0.05% | — | 12 | +480,000 | New | Q1 2025 | May 14, 2025 |
| HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | History | Added to | 460,000 | 2,272 | 0.0% | 0.0% | 13 | +180,000 | 64.29% | Q1 2025 | May 14, 2025 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | History | Reduced | 417,950 | 2,064 | 0.0% | 0.0% | 14 | -10,710 | -2.5% | Q1 2025 | Sep 15, 2025 |
| DIMENSIONAL FUND ADVISORS LP | History | Reduced | 406,055 | 2,005 | 0.0% | 0.0% | 15 | -69,063 | -14.54% | Q1 2025 | May 13, 2025 |
| NORTHERN TRUST CORP | History | Reduced | 398,910 | 1,970 | 0.0% | 0.0% | 16 | -9,173 | -2.25% | Q1 2025 | May 13, 2025 |
| BALYASNY ASSET MANAGEMENT L.P. | History | New | 394,013 | 1,946 | 0.0% | — | 17 | +394,013 | New | Q1 2025 | May 15, 2025 |
| DEUTSCHE BANK AG\ | History | Reduced | 371,630 | 1,835 | 0.0% | 0.0% | 18 | -681 | -0.18% | Q1 2025 | May 09, 2025 |
| GABELLI FUNDS LLC | History | New | 252,500 | 1,247 | 0.01% | — | 19 | +252,500 | New | Q1 2025 | May 14, 2025 |
| UBS Group AG | History | Added to | 243,434 | 1,202 | 0.0% | 0.0% | 20 | +18,845 | 8.39% | Q1 2025 | May 13, 2025 |
| Invesco Ltd. | History | Added to | 215,494 | 1,064 | 0.0% | 0.0% | 21 | +111,839 | 107.9% | Q1 2025 | May 12, 2025 |
| MILLENNIUM MANAGEMENT LLC | History | Added to | 212,298 | 1,048 | 0.0% | 0.0% | 22 | +163,533 | 335.35% | Q1 2025 | May 15, 2025 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | History | Added to | 180,057 | 889 | 0.0% | 0.0% | 23 | +146,862 | 442.42% | Q1 2025 | May 14, 2025 |
| Bank of New York Mellon Corp | History | Reduced | 151,136 | 746 | 0.0% | 0.0% | 24 | -3,249 | -2.1% | Q1 2025 | Apr 29, 2025 |
| WELLINGTON MANAGEMENT GROUP LLP | History | Reduced | 147,663 | 729 | 0.0% | 0.62% | 25 | -108,906 | -42.45% | Q1 2025 | May 13, 2025 |
| JANE STREET GROUP, LLC | History | New | 109,608 | 541 | 0.0% | — | 26 | +109,608 | New | Q1 2025 | May 19, 2025 |
| Nuveen, LLC | History | New | 103,648 | 512 | 0.0% | — | 27 | +103,648 | New | Q1 2025 | May 12, 2025 |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | History | Reduced | 102,512 | 506 | 0.0% | 0.0% | 28 | -1,313 | -1.26% | Q1 2025 | May 15, 2025 |
| AMERICAN CENTURY COMPANIES INC | History | Added to | 94,272 | 465 | 0.0% | 0.0% | 29 | +720 | 0.77% | Q1 2025 | May 13, 2025 |
| RHUMBLINE ADVISERS | History | Added to | 84,817 | 418 | 0.0% | 0.0% | 30 | +147 | 0.17% | Q1 2025 | May 29, 2025 |
| BARCLAYS PLC | History | Reduced | 77,347 | 382 | 0.0% | 0.0% | 31 | -13,448 | -14.81% | Q1 2025 | Mar 17, 2026 |
| ALLIANCEBERNSTEIN L.P. | History | Reduced | 65,973 | 325 | 0.0% | 0.0% | 32 | -3 | -0.0% | Q1 2025 | May 15, 2025 |
| HSBC HOLDINGS PLC | History | Reduced | 62,574 | 309 | 0.0% | 0.0% | 33 | -6,071 | -8.84% | Q1 2025 | May 14, 2025 |
| Verition Fund Management LLC | History | New | 62,476 | 308 | 0.0% | — | 34 | +62,476 | New | Q1 2025 | May 15, 2025 |
| PRUDENTIAL FINANCIAL INC | History | Reduced | 51,793 | 255 | 0.0% | 0.0% | 35 | -57,823 | -52.75% | Q1 2025 | May 13, 2025 |
| SCS Capital Management LLC | History | New | 41,392 | 204 | 0.0% | — | 36 | +41,392 | New | Q1 2025 | May 19, 2025 |
| CITIGROUP INC | History | Reduced | 34,664 | 171 | 0.0% | 0.0% | 37 | -3,091 | -8.19% | Q1 2025 | May 12, 2025 |
| STATE OF WISCONSIN INVESTMENT BOARD | History | Reduced | 33,929 | 167 | 0.0% | 0.0% | 38 | -49,198 | -59.18% | Q1 2025 | May 15, 2025 |
| CITADEL ADVISORS LLC | History | Reduced | 31,300 | 154 | 0.0% | 0.0% | 39 | -1,218 | -3.75% | Q1 2025 | May 15, 2025 |
| WELLS FARGO & COMPANY/MN | History | Reduced | 30,238 | 149 | 0.0% | 0.0% | 40 | -2,294 | -7.05% | Q1 2025 | May 13, 2025 |
| MetLife Investment Management, LLC | History | Added to | 29,258 | 144 | 0.0% | 0.0% | 41 | +8,291 | 39.54% | Q1 2025 | May 14, 2025 |
| JPMORGAN CHASE & CO | History | Reduced | 27,765 | 137 | 0.0% | 0.0% | 42 | -454,439 | -94.24% | Q1 2025 | May 12, 2025 |
| EXCHANGE TRADED CONCEPTS, LLC | History | Reduced | 25,735 | 127 | 0.0% | 0.0% | 43 | -9,081 | -26.08% | Q1 2025 | Apr 17, 2025 |
| PANAGORA ASSET MANAGEMENT INC | History | New | 22,741 | 112 | 0.0% | — | 44 | +22,741 | New | Q1 2025 | May 15, 2025 |
| AQR CAPITAL MANAGEMENT LLC | History | New | 21,417 | 106 | 0.0% | — | 45 | +21,417 | New | Q1 2025 | May 15, 2025 |
| MARSHALL WACE, LLP | History | Reduced | 20,028 | 98 | 0.0% | 0.0% | 46 | -255,508 | -92.73% | Q1 2025 | May 15, 2025 |
| MANUFACTURERS LIFE INSURANCE COMPANY, THE | History | Reduced | 18,031 | 89 | 0.0% | 0.0% | 47 | -716 | -3.82% | Q1 2025 | May 15, 2025 |
| Concurrent Investment Advisors, LLC | History | New | 17,900 | 88 | 0.0% | — | 48 | +17,900 | New | Q1 2025 | Apr 29, 2025 |
| WOLVERINE ASSET MANAGEMENT LLC | History | New | 17,269 | 85 | 0.0% | — | 51 | +17,269 | New | Q1 2025 | May 12, 2025 |
| NEW YORK STATE COMMON RETIREMENT FUND | History | No change | 17,357 | 85 | 0.0% | 0.0% | 49 | 0 | 0.0% | Q1 2025 | Oct 08, 2025 |
| HORIZON KINETICS ASSET MANAGEMENT LLC | History | No change | 17,275 | 85 | 0.0% | 0.0% | 50 | 0 | 0.0% | Q1 2025 | May 15, 2025 |
| BANK OF MONTREAL /CAN/ | History | New | 15,653 | 77 | 0.0% | — | 52 | +15,653 | New | Q1 2025 | May 13, 2025 |
| TWO SIGMA ADVISERS, LP | History | Reduced | 15,600 | 77 | 0.0% | 0.0% | 53 | -1,700 | -9.83% | Q1 2025 | May 15, 2025 |
| VOYA INVESTMENT MANAGEMENT LLC | History | Reduced | 15,120 | 74 | 0.0% | 0.0% | 55 | -737 | -4.65% | Q1 2025 | Jun 18, 2025 |
| FIDUCIARY TRUST CO | History | No change | 15,103 | 74 | 0.0% | 0.0% | 54 | 0 | 0.0% | Q1 2025 | May 15, 2025 |
| INTECH INVESTMENT MANAGEMENT LLC | History | Reduced | 14,906 | 73 | 0.0% | 0.0% | 56 | -5,782 | -27.95% | Q1 2025 | May 20, 2025 |
| FMR LLC | History | Reduced | 12,537 | 61 | 0.0% | 0.0% | 57 | -146,665 | -92.13% | Q1 2025 | May 12, 2025 |
| Police & Firemen's Retirement System of New Jersey | History | No change | 11,701 | 57 | 0.0% | 0.0% | 58 | 0 | 0.0% | Q1 2025 | May 09, 2025 |
| CIBC WORLD MARKETS CORP | History | New | 10,845 | 53 | 0.0% | — | 59 | +10,845 | New | Q1 2025 | May 13, 2025 |
| BNP PARIBAS FINANCIAL MARKETS | History | Reduced | 9,378 | 46 | 0.0% | 0.0% | 60 | -2,695 | -22.32% | Q1 2025 | May 14, 2025 |
| Legal & General Group Plc | History | No change | 4,345 | 21 | 0.0% | 0.0% | 61 | 0 | 0.0% | Q1 2025 | May 15, 2025 |
| PenderFund Capital Management Ltd. | History | New | 71,600 | 17 | 0.0% | — | 64 | +71,600 | New | Q1 2025 | Aug 14, 2025 |
| ROYAL BANK OF CANADA | History | Reduced | 3,252 | 17 | 0.0% | 0.0% | 62 | -4,464 | -57.85% | Q1 2025 | Nov 21, 2025 |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM | History | No change | 3,541 | 17 | 0.0% | 0.0% | 63 | 0 | 0.0% | Q1 2025 | May 15, 2025 |
| OSAIC HOLDINGS, INC. | History | Added to | 3,048 | 15 | 0.0% | 0.0% | 65 | +162 | 5.61% | Q1 2025 | May 12, 2025 |
| Tower Research Capital LLC (TRC) | History | Reduced | 2,912 | 14 | 0.0% | 0.0% | 66 | -1,516 | -34.24% | Q1 2025 | May 15, 2025 |
| PICTON MAHONEY ASSET MANAGEMENT | History | New | 1,581 | 8 | 0.0% | — | 67 | +1,581 | New | Q1 2025 | May 07, 2025 |
| Mirae Asset Global Investments Co., Ltd. | History | Added to | 1,726 | 8 | 0.0% | 0.0% | 68 | +7 | 0.41% | Q1 2025 | Apr 24, 2025 |
| Farther Finance Advisors, LLC | History | New | 1,304 | 6 | 0.0% | — | 69 | +1,304 | New | Q1 2025 | Apr 14, 2025 |
| GF FUND MANAGEMENT CO. LTD. | History | Added to | 1,280 | 6 | 0.0% | 0.0% | 70 | +197 | 18.19% | Q1 2025 | Apr 29, 2025 |
| LAZARD ASSET MANAGEMENT LLC | History | Reduced | 998 | 4 | 0.0% | 0.0% | 71 | -830 | -45.4% | Q1 2025 | May 15, 2025 |
| Sterling Capital Management LLC | History | Reduced | 843 | 4 | 0.0% | 0.0% | 72 | -817 | -49.22% | Q1 2025 | May 13, 2025 |
| Raiffeisen Bank International AG | History | No change | 746 | 3 | 0.0% | 0.0% | 73 | 0 | 0.0% | Q1 2025 | May 09, 2025 |
| JONES FINANCIAL COMPANIES LLLP | History | New | 492 | 2 | 0.0% | — | 74 | +492 | New | Q1 2025 | May 28, 2025 |
| Steward Partners Investment Advisory, LLC | History | Reduced | 239 | 1 | 0.0% | 0.0% | 77 | -300 | -55.66% | Q1 2025 | May 13, 2025 |
| NISA INVESTMENT ADVISORS, LLC | History | Added to | 361 | 1 | 0.0% | — | 76 | +291 | 415.71% | Q1 2025 | Apr 30, 2025 |
| PNC FINANCIAL SERVICES GROUP, INC. | History | Reduced | 259 | 1 | 0.0% | 0.0% | 75 | -147 | -36.21% | Q1 2025 | May 09, 2025 |
| SBI Securities Co., Ltd. | History | Reduced | 337 | 1 | 0.0% | 0.0% | 78 | -66 | -16.38% | Q1 2025 | May 02, 2025 |
| Point72 Asset Management, L.P. | History | Closed out | 0 | 0 | — | 0.0% | — | -310,637 | -100.0% | Q4 2024 | Feb 14, 2025 |
| BRIDGEWAY CAPITAL MANAGEMENT, LLC | History | Closed out | 0 | 0 | — | 0.01% | — | -132,400 | -100.0% | Q4 2024 | Feb 14, 2025 |
| Graham Capital Management, L.P. | History | Closed out | 0 | 0 | — | 0.0% | — | -32,426 | -100.0% | Q4 2024 | Feb 14, 2025 |
| RAYMOND JAMES FINANCIAL INC | History | Closed out | 0 | 0 | — | 0.0% | — | -17,547 | -100.0% | Q4 2024 | Apr 23, 2025 |
| ProShare Advisors LLC | History | Closed out | 0 | 0 | — | 0.0% | — | -16,206 | -100.0% | Q4 2024 | Feb 14, 2025 |
| MARTINGALE ASSET MANAGEMENT L P | History | Closed out | 0 | 0 | — | 0.0% | — | -15,500 | -100.0% | Q4 2024 | Feb 13, 2025 |
| NewEdge Advisors, LLC | History | Closed out | 0 | 0 | — | — | — | -195 | -100.0% | Q4 2024 | Feb 13, 2025 |
| COLDSTREAM CAPITAL MANAGEMENT INC | History | New | 172 | 0 | — | — | — | +172 | New | Q1 2025 | May 13, 2025 |
| MAI Capital Management | History | Closed out | 0 | 0 | — | — | — | -100 | -100.0% | Q4 2024 | Feb 14, 2025 |
| GROUP ONE TRADING LLC | History | New | 50 | 0 | — | — | — | +50 | New | Q1 2025 | May 14, 2025 |
| BARTLETT & CO. WEALTH MANAGEMENT LLC | History | Closed out | 0 | 0 | — | — | — | -33 | -100.0% | Q4 2024 | Jan 17, 2025 |
| Global Retirement Partners, LLC | History | Closed out | 0 | 0 | — | — | — | -15 | -100.0% | Q4 2024 | Jan 31, 2025 |
| CULLEN/FROST BANKERS, INC. | History | Closed out | 0 | 0 | — | — | — | -3 | -100.0% | Q4 2024 | Feb 06, 2025 |
| ASSETMARK, INC | History | New | 2 | 0 | — | — | — | +2 | New | Q1 2025 | May 06, 2025 |
| HARBOUR INVESTMENTS, INC. | History | Closed out | 0 | 0 | — | — | — | -1 | -100.0% | Q4 2024 | Feb 10, 2025 |
| NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO | History | No change | 58 | 0 | — | — | — | 0 | 0.0% | Q1 2025 | May 14, 2025 |
| Leonteq Securities AG | History | No change | 1 | 0 | — | — | — | 0 | 0.0% | Q1 2025 | Feb 23, 2026 |
| Russell Investments Group, Ltd. | History | No change | 76 | 0 | — | — | — | 0 | 0.0% | Q1 2025 | May 13, 2025 |