TSVT Insider Trading

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Insider Trading History
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Insider Ownership Percentage: 7.20%

Insider Buying (Last 12 Months): $3,143,100.00

Insider Selling (Last 12 Months): $25,412,657.63

2seventy bio Insider Trading History Chart

2seventy bio Share Price & Price History

^$4.95

+0.30 (1.20%)

As of 03/17/2025 05:00 PM ET

Days: 30 | 90 | 365

2seventy bio Insider Trading History

Transaction Date	Insider Name	Title	Buy/Sell	Number of Shares	Average Share Price	Total Transaction	Shares Held After Transaction
3/11/2025	Global Healthcare Master Kynam	Major Shareholder	Sell	5,142,111	$4.93	$25,350,607.23
12/13/2024	Jessica Snow	Insider	Sell	2,287	$3.23	$7,387.01	153,479
11/18/2024	Marcela V Maus	Director	Sell	3,900	$3.38	$13,182.00	23,752
8/14/2024	Jessica Snow	Insider	Sell	7,816	$4.32	$33,765.12	156,330
8/5/2024	Victoria Eatwell	CFO	Sell	13	$3.98	$51.74	341,319
6/3/2024	Jessica Snow	Insider	Sell	649	$4.18	$2,712.82	55,622
6/3/2024	Victoria Eatwell	CFO	Sell	1,167	$4.18	$4,878.06	95,480
5/3/2024	Jessica Snow	Insider	Sell	15	$4.91	$73.65	56,271
3/25/2024	Casdin Capital, Llc	Director	Buy	330,000	$5.07	$1,673,100.00	1,960,000
3/21/2024	Casdin Capital, Llc	Director	Buy	300,000	$4.90	$1,470,000.00	1,482,623
1/5/2024	Nick Leschly	CEO	Sell	1,554	$3.75	$5,827.50	1,085,476
1/5/2024	Philip D. Gregory	Insider	Sell	795	$3.75	$2,981.25	230,842
1/5/2024	William D. Baird, III	COO	Sell	1,380	$3.75	$5,175.00	161,335
1/3/2024	Nick Leschly	CEO	Sell	72,312	$3.87	$279,847.44	1,087,030
1/3/2024	Philip D. Gregory	Insider	Sell	25,613	$3.87	$99,122.31	231,637
1/3/2024	William D. Baird, III	COO	Sell	33,651	$3.87	$130,229.37	162,715
8/22/2023	Nick Leschly	CEO	Sell	9,312	$5.49	$51,122.88	1,159,342
8/22/2023	Philip D. Gregory	Insider	Sell	6,159	$5.49	$33,812.91	257,250
8/22/2023	William D. Baird, III	CFO	Sell	7,031	$5.49	$38,600.19	196,366
8/10/2023	Kynam Capital Management, Lp	Major Shareholder	Buy	86,414	$5.96	$515,027.44	5,142,111
8/3/2023	Nick Leschly	CEO	Sell	9,060	$6.13	$55,537.80	1,168,654
8/3/2023	Philip D. Gregory	Insider	Sell	3,966	$6.13	$24,311.58	263,409
8/3/2023	William D. Baird, III	CFO	Sell	6,906	$6.13	$42,333.78	203,397
2/13/2023	William D. Baird, III	CFO	Sell	637	$12.86	$8,191.82	210,303
2/7/2023	Nicola Heffron	COO	Sell	60	$14.70	$882.00	89,182
1/12/2023	Nick Leschly	CEO	Sell	6,587	$10.46	$68,900.02	536,419
1/11/2023	Nicola Heffron	COO	Sell	128	$10.63	$1,360.64	89,242
1/11/2023	Philip D. Gregory	Insider	Sell	1,076	$10.63	$11,437.88	99,518
1/11/2023	William D. Baird, III	CFO	Sell	1,077	$10.63	$11,448.51	78,797
1/9/2023	Nick Leschly	CEO	Sell	2,979	$10.33	$30,773.07	543,006
1/9/2023	Nicola Heffron	COO	Sell	584	$10.33	$6,032.72	89,370
1/9/2023	Philip D. Gregory	Insider	Sell	3,794	$10.33	$39,192.02	100,594
1/9/2023	William D. Baird, III	CFO	Sell	3,222	$10.33	$33,283.26	79,874
12/5/2022	Nicola Heffron	COO	Sell	272	$15.43	$4,196.96	89,954
11/21/2022	Nicola Heffron	COO	Sell	7,697	$13.97	$107,527.09	90,226
8/5/2022	Nick Leschly	CEO	Sell	5,499	$16.23	$89,248.77	545,985
8/5/2022	Philip D. Gregory	Insider	Sell	2,407	$16.23	$39,065.61	104,388
8/5/2022	William D. Baird, III	CFO	Sell	4,152	$16.23	$67,386.96	83,096
7/15/2022	Nick Leschly	CEO	Sell	5,404	$13.81	$74,629.24	551,484
7/15/2022	Philip D. Gregory	Insider	Sell	2,365	$13.81	$32,660.65	106,795
7/15/2022	William D. Baird, III	CFO	Sell	4,080	$13.81	$56,344.80	87,248

See Full Table

SEC Filings (Institutional Ownership Changes) for 2seventy bio (NASDAQ:TSVT)

93.90% of 2seventy bio stock is owned by institutions. Institutional ownership can be a sign of analyst confidence in the fundamentals of the stock.

Institutional Buying and Selling by Quarter

2seventy bio Institutional Trading History

Reporting Date	Hedge Fund	Shares Held	Market Value	% of Portfolio	Quarterly Change in Shares	Ownership in Company
2/19/2025	Toronto Dominion Bank	800,000	$2.35M	0.0%	N/A	1.551%
2/17/2025	Western Standard LLC	788,350	$2.32M	1.5%	+175.7%	1.528%
2/17/2025	Stonepine Capital Management LLC	300,000	$0.88M	0.7%	+200.0%	0.582%
2/17/2025	Toronto Dominion Bank	800,000	$2.35M	0.0%	N/A	1.551%
2/17/2025	Sherbrooke Park Advisers LLC	34,748	$0.10M	0.0%	-10.6%	0.067%
2/17/2025	Point72 Asset Management L.P.	310,637	$0.91M	0.0%	N/A	0.602%
2/17/2025	ProShare Advisors LLC	16,206	$48K	0.0%	N/A	0.031%
2/17/2025	Madison Avenue Partners LP	579,895	$1.71M	0.2%	-77.4%	1.124%
2/17/2025	Newtyn Management LLC	2,534,836	$7.45M	1.3%	-0.2%	4.914%
2/17/2025	Millennium Management LLC	48,765	$0.14M	0.0%	-68.2%	0.095%
2/17/2025	Graham Capital Management L.P.	32,426	$95K	0.0%	+130.5%	0.063%
2/17/2025	Fund 1 Investments LLC	343,504	$1.01M	0.1%	-11.6%	0.666%
2/17/2025	Engine Capital Management LP	703,972	$2.07M	0.4%	-45.4%	1.365%
2/17/2025	Deutsche Bank AG	372,311	$1.10M	0.0%	-72.0%	0.722%
2/17/2025	DAFNA Capital Management LLC	429,252	$1.26M	0.3%	-31.9%	0.832%
2/17/2025	Bridgeway Capital Management LLC	132,400	$0.39M	0.0%	-3.1%	0.257%
2/17/2025	Bank of America Corp DE	2,515,897	$7.40M	0.0%	+317.1%	4.877%
2/17/2025	BNP Paribas Financial Markets	12,073	$35K	0.0%	N/A	0.023%
2/14/2025	PDT Partners LLC	64,769	$0.19M	0.0%	+25.2%	0.126%
2/14/2025	Northern Trust Corp	408,083	$1.20M	0.0%	+1.4%	0.791%
2/14/2025	Susquehanna Fundamental Investments LLC	93,480	$0.28M	0.0%	N/A	0.181%
2/14/2025	Price T Rowe Associates Inc. MD	18,225	$54K	0.0%	-37.6%	0.035%
2/14/2025	Eversept Partners LP	1,003,678	$2.95M	0.3%	+0.6%	1.945%
2/14/2025	MetLife Investment Management LLC	20,967	$62K	0.0%	-29.3%	0.041%
2/14/2025	Dimensional Fund Advisors LP	475,118	$1.40M	0.0%	+68.6%	0.921%
2/13/2025	Marshall Wace LLP	275,536	$0.81M	0.0%	-41.2%	0.534%
2/13/2025	Barclays PLC	90,795	$0.27M	0.0%	+12.7%	0.176%
2/13/2025	Raymond James Financial Inc.	17,547	$52K	0.0%	N/A	0.034%
2/13/2025	Martingale Asset Management L P	15,500	$46K	0.0%	-73.3%	0.030%
2/13/2025	Wells Fargo & Company MN	32,532	$96K	0.0%	+23.2%	0.063%
2/12/2025	Venator Management LLC	575,000	$1.69M	0.5%	+9.5%	1.115%
2/12/2025	Wellington Management Group LLP	256,569	$0.75M	0.0%	-2.1%	0.497%
2/12/2025	JPMorgan Chase & Co.	482,204	$1.42M	0.0%	-6.3%	0.935%
2/11/2025	American Century Companies Inc.	93,552	$0.28M	0.0%	+6.6%	0.181%
2/11/2025	Intech Investment Management LLC	20,688	$61K	0.0%	+41.1%	0.040%
2/10/2025	Monimus Capital Management LP	263,644	$0.78M	0.7%	N/A	0.511%
2/7/2025	Regeneron Pharmaceuticals Inc.	1,254,827	$3.69M	0.3%	N/A	2.432%
2/6/2025	Raymond James Financial Inc.	17,547	$52K	0.0%	N/A	0.034%
2/6/2025	Charles Schwab Investment Management Inc.	428,660	$1.26M	0.0%	+3.6%	0.831%
2/4/2025	Bank of New York Mellon Corp	154,385	$0.45M	0.0%	-2.8%	0.299%
1/30/2025	Rhumbline Advisers	84,670	$0.25M	0.0%	+9.5%	0.164%
1/24/2025	China Universal Asset Management Co. Ltd.	10,939	$32K	0.0%	N/A	0.021%
12/26/2024	JPMorgan Chase & Co.	514,767	$2.43M	0.0%	-3.3%	0.998%
11/19/2024	Barclays PLC	80,594	$0.38M	0.0%	-62.1%	0.156%
11/16/2024	Geode Capital Management LLC	1,176,244	$5.55M	0.0%	+1.1%	2.280%
11/15/2024	Barclays PLC	80,594	$0.38M	0.0%	-62.1%	0.156%
11/15/2024	XTX Topco Ltd	24,416	$0.12M	0.0%	+61.1%	0.047%
11/15/2024	Wellington Management Group LLP	262,040	$1.24M	0.0%	+9.0%	0.508%
11/15/2024	Western Standard LLC	285,931	$1.35M	1.3%	N/A	0.554%
11/15/2024	State Street Corp	1,058,773	$5M	0.0%	+1.5%	2.052%
11/15/2024	Readystate Asset Management LP	11,161	$53K	0.0%	N/A	0.022%
11/15/2024	Erste Asset Management GmbH	4,999	$25K	0.0%	N/A	0.010%
11/14/2024	PDT Partners LLC	51,713	$0.24M	0.0%	N/A	0.100%
11/14/2024	BBR Partners LLC	180,000	$0.85M	0.1%	+620.0%	0.350%
11/14/2024	Healthcare of Ontario Pension Plan Trust Fund	590,000	$2.79M	0.0%	-59.8%	1.146%
11/13/2024	FMR LLC	148,545	$0.70M	0.0%	+22.0%	0.288%
11/12/2024	Charles Schwab Investment Management Inc.	413,599	$1.95M	0.0%	-7.9%	0.803%
11/9/2024	Intech Investment Management LLC	14,658	$69K	0.0%	N/A	0.028%
11/5/2024	GSA Capital Partners LLP	13,479	$64K	0.0%	N/A	0.026%
10/23/2024	Brighton Jones LLC	11,366	$54K	0.0%	-38.3%	0.022%
10/10/2024	Exchange Traded Concepts LLC	34,816	$0.16M	0.0%	-36.6%	0.068%
10/3/2024	SG Americas Securities LLC	16,890	$80K	0.0%	N/A	0.033%
9/20/2024	Healthcare of Ontario Pension Plan Trust Fund	1,468,500	$5.65M	0.0%	-15.4%	2.851%
8/21/2024	Stonepine Capital Management LLC	100,000	$0.39M	0.4%	N/A	0.194%
8/16/2024	SkyView Investment Advisors LLC	12,500	$48K	0.0%	+25.0%	0.024%
8/15/2024	Susquehanna Fundamental Investments LLC	192,319	$0.74M	0.0%	+39.1%	0.374%
8/15/2024	AQR Capital Management LLC	162,182	$0.61M	0.0%	-4.5%	0.315%
8/14/2024	Marshall Wace LLP	667,023	$2.57M	0.0%	+50.4%	1.298%
8/12/2024	XTX Topco Ltd	15,159	$58K	0.0%	-19.5%	0.029%
8/12/2024	Venator Management LLC	485,000	$1.87M	0.6%	+49.2%	0.943%
8/9/2024	Dimensional Fund Advisors LP	204,845	$0.79M	0.0%	-10.6%	0.399%
8/8/2024	American Century Companies Inc.	79,953	$0.31M	0.0%	+16.6%	0.156%
8/5/2024	BBR Partners LLC	25,000	$96K	0.0%	+66.7%	0.049%
7/26/2024	Bank of New York Mellon Corp	196,959	$0.76M	0.0%	+5.4%	0.383%
7/20/2024	Nisa Investment Advisors LLC	13,561	$52K	0.0%	N/A	0.026%
5/16/2024	California State Teachers Retirement System	5,050	$27K	0.0%	-38.9%	0.010%
5/16/2024	Jacobs Levy Equity Management Inc.	379,586	$2.03M	0.0%	N/A	0.738%
5/15/2024	Public Employees Retirement System of Ohio	27,370	$0.15M	0.0%	+2,637.0%	0.053%
5/15/2024	Price T Rowe Associates Inc. MD	28,929	$0.16M	0.0%	+11.1%	0.056%
5/15/2024	Lazard Asset Management LLC	7,499	$39K	0.0%	-33.1%	0.015%
5/14/2024	Healthcare of Ontario Pension Plan Trust Fund	1,736,600	$9.29M	0.0%	N/A	3.379%
5/10/2024	Vanguard Group Inc.	3,731,679	$19.96M	0.0%	-6.4%	7.260%
5/7/2024	Susquehanna Fundamental Investments LLC	138,243	$0.74M	0.0%	N/A	0.269%
5/7/2024	SG Americas Securities LLC	17,441	$93K	0.0%	-36.1%	0.034%
4/10/2024	Wedmont Private Capital	85,934	$0.48M	0.0%	N/A	0.167%
3/5/2024	Wellington Management Group LLP	515,955	$2.20M	0.0%	-82.8%	1.019%
3/1/2024	Goldman Sachs Group Inc.	4,508,800	$19.25M	0.0%	+512.4%	8.907%
2/16/2024	Madison Avenue Partners LP	1,754,788	$7.49M	1.1%	+17.4%	3.467%
2/15/2024	Birchview Capital LP	19,833	$85K	0.1%	-66.9%	0.039%
2/14/2024	Engine Capital Management LP	1,494,304	$6.38M	1.1%	+337.1%	2.952%
2/14/2024	Pale Fire Capital SE	40,688	$0.17M	0.0%	+67.5%	0.080%
2/13/2024	Bain Capital Life Sciences Investors LLC	1,331,801	$5.69M	0.5%	-5.5%	2.631%
2/13/2024	Tower Research Capital LLC TRC	14,629	$62K	0.0%	+15.2%	0.029%
2/8/2024	Panagora Asset Management Inc.	212,982	$0.91M	0.0%	-2.0%	0.421%
1/24/2024	Mirae Asset Global Investments Co. Ltd.	78,982	$0.34M	0.0%	-68.1%	0.156%
1/12/2024	SG Americas Securities LLC	27,315	$0.12M	0.0%	+20.9%	0.054%
1/5/2024	Exchange Traded Concepts LLC	34,616	$0.15M	0.0%	+34.0%	0.068%
1/1/2024	Deutsche Bank AG	26,134	$0.10M	0.0%	+15.7%	0.052%
12/19/2023	Public Employees Retirement System of Ohio	84,757	$0.33M	0.0%	+112.6%	0.167%
12/1/2023	Wellington Management Group LLP	2,994,471	$11.74M	0.0%	+4.0%	5.914%

Data available starting January 2016

See Full Table

2seventy bio, Inc., a cell and gene therapy company, focuses on the research, development, and commercialization of treatments for cancer in the United States. The company's products pipeline includes Abecma, a chimeric antigen receptor T-cell product candidates for the treatment of multiple myeloma. It has a collaboration arrangement with Bristol Myers Squibb Company. The company was incorporated in 2021 and is headquartered in Cambridge, Massachusetts.

Today's Range

Now: $4.95

$4.94

$4.97

50 Day Range

MA: $2.76

$2.30

$4.95

52 Week Range

Now: $4.95

$2.29

$5.99

Volume

1,706,622 shs

Average Volume

645,454 shs

Market Capitalization

$255.36 million

P/E Ratio

N/A

Dividend Yield

N/A

Beta

1.73

Who are the company insiders with the largest holdings of 2seventy bio?: 2seventy bio's top insider investors include:
Kynam Capital Management, Lp (Major Shareholder)
Casdin Capital, Llc (Director)
Nick Leschly (CEO)
Victoria Eatwell (CFO)
Philip D Gregory (Insider)
William D Baird III (CFO)
William D Baird III (COO)
Jessica Snow (Insider)
Marcela V Maus (Director)
Global Healthcare Master Kynam (Major Shareholder)
Learn More about top insider investors at 2seventy bio.
Who are the major institutional investors of 2seventy bio?: 2seventy bio's top institutional shareholders include:
Newtyn Management LLC — 4.91%
Bank of America Corp DE — 4.88%
Regeneron Pharmaceuticals Inc. — 2.43%
Eversept Partners LP — 1.95%
Toronto Dominion Bank — 1.55%
Toronto Dominion Bank — 1.55%
Learn More about top institutional investors of 2seventy bio stock.
Which major investors are selling 2seventy bio stock?: During the previous quarter, TSVT stock was sold by these institutional investors:
Madison Avenue Partners LP
Deutsche Bank AG
Engine Capital Management LP
DAFNA Capital Management LLC
Marshall Wace LLP
Millennium Management LLC
Fund 1 Investments LLC
Martingale Asset Management L P
In the previous year, company insiders that have sold 2seventy bio company stock include:
Kynam Capital Management, Lp (Major Shareholder)
Casdin Capital, Llc (Director)
Nick Leschly (CEO)
Victoria Eatwell (CFO)
Learn More investors selling 2seventy bio stock.
Which major investors are buying 2seventy bio stock?: During the previous quarter, TSVT stock was bought by institutional investors including:
Bank of America Corp DE
Regeneron Pharmaceuticals Inc.
Toronto Dominion Bank
Toronto Dominion Bank
Western Standard LLC
Point72 Asset Management L.P.
Monimus Capital Management LP
Stonepine Capital Management LLC
Within the last year, these company insiders have bought 2seventy bio stock:
Kynam Capital Management, Lp (Major Shareholder)
Casdin Capital, Llc (Director)
Learn More investors buying 2seventy bio stock.