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2seventy bio, Inc.

TSVTDelisted May 13, 2025
Industry
Pharmaceutical Preparations
SEC CIK
0001860782

2seventy bio, Inc. was delisted on May 13, 2025; its insiders filed their last Form 4 on May 15, 2025; 140 institutions reported holding it in 13F filings for Q1 2025, worth $234.5M in total; no superinvestor held it.

13F holders, Q1 2023

Institutional positions in 2seventy bio, Inc. as of Mar 31, 2023. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
147
+5 vs. Q4 2022
Shares held
49.8M
+16.3M (+48.7%) vs. Q4 2022
Total value
$508.0M
+$190.8M (+60.1%) vs. Q4 2022
New holders
30
55 more added
Sold out
25
21 more reduced

Compare with Q4 2022: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting TSVT on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ1 2023: 147 institutions
Q1 2021: 0 institutionsQ2 2021: 0 institutionsQ3 2021: 0 institutionsQ4 2021: 128 institutionsQ1 2022: 134 institutionsQ2 2022: 134 institutionsQ3 2022: 134 institutionsQ4 2022: 142 institutionsQ1 2023: 147 institutionsQ2 2023: 150 institutionsQ3 2023: 146 institutionsQ4 2023: 116 institutionsQ1 2024: 117 institutionsQ2 2024: 115 institutionsQ3 2024: 115 institutionsQ4 2024: 117 institutionsQ1 2025: 140 institutionsQ2 2025: 3 institutionsQ3 2025: 0 institutionsQ4 2025: 0 institutionsQ1 2026: 0 institutionsQ2 2026: 0 institutions
Value heldQ1 2023: $508.0M
Q1 2021: $0Q2 2021: $0Q3 2021: $0Q4 2021: $479.3MQ1 2022: $543.6MQ2 2022: $457.1MQ3 2022: $493.6MQ4 2022: $317.3MQ1 2023: $508.0MQ2 2023: $504.8MQ3 2023: $214.8MQ4 2023: $205.8MQ1 2024: $250.9MQ2 2024: $183.4MQ3 2024: $212.5MQ4 2024: $135.1MQ1 2025: $234.5MQ2 2025: $508.1KQ3 2025: $0Q4 2025: $0Q1 2026: $0Q2 2026: $0
Institutions holding TSVT and their total value by quarter
QuarterHoldersValue
Q2 20260$0
Q1 20260$0
Q4 20250$0
Q3 20250$0
Q2 20253$508.1K
Q1 2025140$234.5M
Q4 2024117$135.1M
Q3 2024115$212.5M
Q2 2024115$183.4M
Q1 2024117$250.9M
Q4 2023116$205.8M
Q3 2023146$214.8M
Q2 2023150$504.8M
Q1 2023147$508.0M
Q4 2022142$317.3M
Q3 2022134$493.6M
Q2 2022134$457.1M
Q1 2022134$543.6M
Q4 2021128$479.3M
Q3 20210$0
Q2 20210$0
Q1 20210$0

Institutions, Q1 2023

Shares, value and share of portfolio for each institution holding 2seventy bio, Inc.; share changes are against Q4 2022.

Institutions holding TSVT in Q1 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Kynam Capital Management, LP3,738,972$38.1M4.93%+3,738,972New
BlackRock Inc.3,160,523$32.2M0.00%+153,911+5.1%Added
State Street Corp3,147,389$32.1M0.00%+801,324+34.2%Added
Vanguard Group Inc2,904,034$29.6M0.00%+499,805+20.8%Added
Wellington Management Group LLP2,769,442$28.2M0.01%−278,144−9.1%Reduced
Baker Bros. Advisors LP2,497,526$25.5M0.14%+434,782+21.1%Added
OrbiMed Advisors LLC2,391,628$24.4M0.48%+1,350,328+129.7%Added
Citadel Advisors LLC2,366,239$24.1M0.03%+2,104,527+804.1%Added
Casdin Capital, LLC2,023,913$20.6M1.71%+173,913+9.4%Added
Millennium Management LLC1,942,618$19.8M0.02%+577,227+42.3%Added
Goldman Sachs Group Inc1,747,522$17.8M0.00%+696,379+66.2%Added
JPMorgan Chase & Co1,583,681$16.2M0.00%+601,147+61.2%Added
Newtyn Management, LLC1,505,000$15.4M3.02%+622,866+70.6%Added
Balyasny Asset Management LLC1,437,302$14.7M0.05%+1,437,302New
Bain Capital Life Sciences Investors, LLC1,408,901$14.4M1.80%00.0%Unchanged
Morgan Stanley1,165,326$11.9M0.00%+952,227+446.8%Added
ExodusPoint Capital Management, LP1,029,040$10.5M0.12%+121,905+13.4%Added
Credit Suisse AG1,017,974$10.4M0.01%+11,231+1.1%Added
Iron Triangle Partners LP868,939$8.86M1.28%+868,939New
CHI Advisors LLC855,000$8.72M2.32%+521,748+156.6%Added
Artal Group S.A.750,000$7.65M0.45%+750,000New
Geode Capital Management, LLC741,472$7.56M0.00%+25,843+3.6%Added
Price T Rowe Associates Inc606,754$6.19M0.00%+590,613+3,659.1%Added
Sectoral Asset Management Inc476,000$4.86M0.93%+476,000New
Boxer Capital, LLC459,836$4.69M0.23%00.0%Unchanged
Bank of America Corp399,936$4.08M0.00%+248,244+163.7%Added
Barclays PLC394,126$4.02M0.00%+317,124+411.8%Added
Deep Track Capital, LP350,000$3.57M0.15%+350,000New
Northern Trust Corp349,998$3.57M0.00%−7,571−2.1%Reduced
Charles Schwab Investment Management Inc319,993$3.26M0.00%−1,586−0.5%Reduced
FMR LLC306,237$3.12M0.00%−286,635−48.3%Reduced
AlphaCentric Advisors LLC302,500$3.09M2.13%+122,500+68.1%Added
Citigroup Inc262,976$2.68M0.00%+198,403+307.3%Added
Tang Capital Management LLC250,000$2.55M0.38%00.0%Unchanged
Clough Capital Partners L P248,610$2.54M0.27%+248,610New
Rafferty Asset Management, LLC221,971$2.26M0.02%+90,390+68.7%Added
Point72 Asset Management, L.P.211,279$2.16M0.01%−70,371−25.0%Reduced
UBS Group AG190,776$1.95M0.00%+97,928+105.5%Added
Saturn V Capital Management LLC172,188$1.76M1.31%−512,808−74.9%Reduced
Bank of Montreal162,148$1.74M0.00%+162,148New
Lion Point Capital, LP170,000$1.73M0.96%+170,000New
Susquehanna International Group, LLP168,216$1.72M0.00%+147,935+729.4%Added
Bleichroeder LP165,407$1.69M0.36%+165,407New
Weiss Asset Management LP161,943$1.65M0.13%00.0%Unchanged
Mirae Asset Global Investments Co., Ltd.157,400$1.61M0.00%+9,609+6.5%Added
Norges Bank156,100$1.59M0.00%+156,100New
Bank of New York Mellon Corp140,303$1.43M0.00%+5,877+4.4%Added
Jacobs Levy Equity Management, Inc116,180$1.19M0.01%+1,065+0.9%Added
Swiss National Bank94,702$966.0K0.00%+7,900+9.1%Added
Jackson Creek Investment Advisors LLC92,623$945.0K0.40%+92,623New
Nuveen Asset Management, LLC74,681$762.0K0.00%−18,031−19.4%Reduced
Susquehanna Fundamental Investments, LLC67,493$688.4K0.02%00.0%Unchanged
Marshall Wace, LLP65,558$668.7K0.00%+65,558New
Rhumbline Advisers60,090$613.0K0.00%+1,930+3.3%Added
Birchview Capital, LP59,833$610.0K0.48%00.0%Unchanged
Renaissance Technologies LLC56,500$576.0K0.00%+37,200+192.7%Added
Manufacturers Life Insurance Company, The53,384$544.5K0.00%+38,224+252.1%Added
Prudential Financial Inc53,056$541.2K0.00%+53,056New
California State Teachers Retirement System52,472$535.2K0.00%+6,295+13.6%Added
Wells Fargo & Company45,439$463.5K0.00%+42,499+1,445.5%Added
Invesco Ltd.44,244$451.3K0.00%+11,992+37.2%Added
UBS Asset Management Americas Inc43,868$447.5K0.00%−3,369−7.1%Reduced
Prosight Management, LP42,537$433.9K0.21%+42,537New
TD Asset Management Inc42,000$428.4K0.00%+42,000New
Profund Advisors LLC41,071$418.9K0.03%+41,071New
Russell Investments Group, Ltd.40,774$415.9K0.00%+8,357+25.8%Added
Putnam Investments LLC37,283$380.3K0.00%+15,217+69.0%Added
Public Employees Retirement System of Ohio35,412$361.0K0.00%00.0%Unchanged
Alliancebernstein L.P.35,175$358.8K0.00%−266−0.8%Reduced
Hennion & Walsh Asset Management, Inc.33,459$341.0K0.02%−939−2.7%Reduced
State of Wisconsin Investment Board30,684$313.0K0.00%−2,671−8.0%Reduced
Captrust Financial Advisors30,509$311.2K0.00%+30,509New
HBK Investments L P30,000$306.0K0.01%+30,000New
Voya Investment Management LLC29,837$304.3K0.00%00.0%Unchanged
Voloridge Investment Management, LLC29,663$302.6K0.00%+29,663New
Los Angeles Capital Management LLC26,749$272.8K0.00%−510−1.9%Reduced
Deutsche Bank AG26,079$266.0K0.00%+7,512+40.5%Added
Virtus ETF Advisers LLC25,042$255.4K0.14%+444+1.8%Added
Advisor Group Holdings, Inc.24,112$245.8K0.00%+20,671+600.7%Added
Colony Group LLC21,202$216.0K0.00%−2,094−9.0%Reduced
MetLife Investment Management20,718$211.3K0.00%00.0%Unchanged
Legal & General Group Plc18,968$193.5K0.00%+4,835+34.2%Added
Mariner, LLC18,469$188.0K0.00%+5,555+43.0%Added
American International Group, Inc.18,045$184.1K0.00%+360+2.0%Added
Horizon Kinetics Asset Management LLC18,000$183.6K0.00%+18,000New
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.17,259$176.0K0.00%+1,230+7.7%Added
New York State Common Retirement Fund17,256$176.0K0.00%−9,210−34.8%Reduced
Fiduciary Trust Co15,103$154.1K0.00%00.0%Unchanged
SG Americas Securities, LLC15,056$154.0K0.00%+1,523+11.3%Added
Caas Capital Management LP14,383$146.7K0.05%+14,383New
State Board of Administration of Florida Retirement System14,253$145.4K0.00%00.0%Unchanged
AQR Capital Management LLC13,815$138.8K0.00%+3,004+27.8%Added
Janus Henderson Group PLC13,354$136.1K0.00%+13,354New
Teacher Retirement System of Texas12,649$129.0K0.00%+1,882+17.5%Added
E Fund Management Co., Ltd.12,601$129.0K0.01%+12,601New
Franklin Resources Inc12,641$128.9K0.00%+12,641New
Principal Financial Group Inc12,292$125.4K0.00%+1,389+12.7%Added
Green Alpha Advisors, LLC12,225$124.7K0.09%−273−2.2%Reduced
American Century Companies Inc11,280$111.4K0.00%+11,280New
Ameriprise Financial Inc10,526$107.4K0.00%+10,526New