2seventy bio Ownership | Who Owns 2seventy bio?

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2seventy bio Ownership Summary

2seventy bio is owned by 15.12% institutional investors, 6.44% insiders, and 78.44% retail investors. Goldman sachs group is the largest institutional shareholder, holding 8.22% of TSVT shares. Vanguard Total Stock Mkt Idx Inv is the top mutual fund, with 2.87% of its assets in 2seventy bio shares.

TSVT Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	2seventy bio	15.12%	6.44%	78.44%
Sector	Healthcare Stocks	279.19%	10.62%	-189.81%
Industry	Biotech Stocks	63.96%	10.74%	25.30%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Goldman sachs group	4.29M	8.22%	$12.63M
Blackrock funding, inc. /de	4.22M	8.08%	$12.41M
Vanguard group	3.76M	7.20%	$11.06M
Blackrock	3.66M	7.03%	$14.09M
Morgan stanley	3.27M	6.28%	$12.59M
Newtyn management	2.53M	4.85%	$7.45M
Baker bros. advisors lp	2.50M	4.71%	$12.34M
Casdin capital	2.00M	3.77%	$9.88M
Regeneron pharmaceuticals	1.25M	2.40%	$3.69M
Geode capital management	1.17M	2.25%	$3.45M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Newtyn management	2.53M	1.30%	$7.45M
Casdin capital	2.00M	0.81%	$9.88M
Engine capital management, lp	703.97K	0.66%	$3.48M
Dafna capital management	429.25K	0.60%	$2.12M
First trust capital management	1.14M	0.41%	$5.65M
Regeneron pharmaceuticals	1.25M	0.34%	$3.69M
Madison avenue partners, lp	579.89K	0.18%	$1.70M
Baker bros. advisors lp	2.50M	0.14%	$12.34M
Penderfund capital management	71.60K	0.10%	$509.00K
Cowen and company	800.00K	0.08%	$3.08M

Top Buyers

Holder	Shares	% Assets	Change
Regeneron pharmaceuticals	1.25M	0.34%	1.25M
First trust capital management	1.14M	0.41%	1.14M
Toronto dominion bank	800.00K	0.00%	800.00K
Deepcurrents investment group	390.17K	0.06%	390.17K
Blackrock funding, inc. /de	4.22M	0.00%	352.56K

Top Sellers

Holder	Shares	% Assets	Change
Kynam capital management, lp	-	-	-5.95M
Madison avenue partners, lp	579.89K	0.18%	-1.98M
Morgan stanley	3.27M	0.00%	-1.09M
Eversept partners, lp	-	-	-1.00M
Deutsche bank ag\	372.31K	0.00%	-958.64K

New Positions

Holder	Shares	% Assets	Change	Value
Regeneron pharmaceuticals	1.25M	0.34%	1.25M	$3.69M
First trust capital management	1.14M	0.41%	1.14M	$5.65M
Toronto dominion bank	800.00K	0.00%	800.00K	$2.35M
Deepcurrents investment group	390.17K	0.06%	390.17K	$1.93M
Sagefield capital lp	115.89K	0.07%	115.89K	$572.49K

Sold Out

Holder	Change
Harbour investments	-1.00
Concord wealth partners	-2.00
Cullen/frost bankers	-3.00
Tfc financial management	-4.00
Farther finance advisors	-7.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Mar 31, 2025	13	-88.89%	8,020,434	-82.55%	15	0.20%	8	-85.71%	1	-96.15%
Dec 31, 2024	60	-48.28%	18,921,267	-57.97%	36	0.49%	29	-27.50%	10	-72.22%
Sep 30, 2024	115	0.88%	45,002,708	-5.48%	86	1.03%	40	-24.53%	37	19.35%
Jun 30, 2024	114	-3.39%	47,611,917	1.78%	91	1.10%	53	17.78%	31	-29.55%
Mar 31, 2024	118	-0.84%	46,778,114	-2.93%	91	1.03%	45	-8.16%	44	22.22%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
Vanguard Total Stock Mkt Idx Inv	1.53M	2.87%	-
iShares Russell 2000 ETF	1.23M	2.31%	208.00
Vanguard Institutional Extnd Mkt Idx Tr	782.28K	1.47%	1.93K
Vanguard Strategic Equity Inv	702.79K	1.36%	-
Xtrackers S&P 500 2xLev Dly Swap ETF 1C	655.12K	1.27%	-
Fidelity Small Cap Index	481.64K	0.90%	-
JPM Thematics Genetic Thrps C2 Acc USD	457.93K	0.89%	-16.10K
iShares Russell 2000 Value ETF	470.95K	0.88%	-1.60K
JPM Thematics Genetic Thrps C2 dist USD	441.82K	0.86%	-
Xtrackers MSCI World Swap ETF 1C	347.79K	0.66%	-

Recent Insider Transactions

Date	Name	Role	Activity	Value
Mar 17, 2025	Snow Jessica	Chief Operating Officer	Sell	$11.36K
Mar 17, 2025	Baird William D III	President and CEO	Sell	$25.18K
Mar 17, 2025	Eatwell Victoria	Chief Financial Officer	Sell	$12.82K
Mar 11, 2025	Kynam Global Healthcare Master Fund, LP	-	Sell	$25.35M
Jan 06, 2025	Snow Jessica	See Remarks	Sell	$5.14K

Insider Transactions Trends

Date	Buy	Sell
2025 Q2	-	-
2025 Q1	-	15
2024 Q4	-	4
2024 Q3	-	4
2024 Q2	-	3

TSVT Ownership FAQ

Who Owns 2seventy bio?

2seventy bio shareholders are primarily institutional investors at 15.12%, followed by 6.44% insiders and 78.44% retail investors. The average institutional ownership in 2seventy bio's industry, Biotech Stocks , is 63.96%, which 2seventy bio falls below.

Who owns the most shares of 2seventy bio?

2seventy bio’s largest shareholders are Goldman sachs group (4.29M shares, 8.22%), Blackrock funding, inc. /de (4.22M shares, 8.08%), and Vanguard group (3.76M shares, 7.20%). Together, they hold 23.49% of 2seventy bio’s total shares outstanding.

Does Blackrock own 2seventy bio?

Yes, BlackRock owns 7.03% of 2seventy bio, totaling 3.66M shares as of Jun 2024. This represents 0.00% of BlackRock's total assets, with a market value of 14.09M$. In the last quarter, BlackRock decreased its holdings by -244K shares, a -6.26% change.

Who is 2seventy bio’s biggest shareholder by percentage of total assets invested?

Newtyn management is 2seventy bio’s biggest shareholder by percentage of total assets invested, with 1.30% of its assets in 2.53M 2seventy bio shares, valued at 7.45M$.

Who is the top mutual fund holder of 2seventy bio shares?

Vanguard Total Stock Mkt Idx Inv is the top mutual fund holder of 2seventy bio shares, with 2.87% of its total shares outstanding invested in 1.53M 2seventy bio shares.

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