2seventy bio, Inc.

TSVTDelisted May 13, 2025

Industry: Pharmaceutical Preparations
SEC CIK: 0001860782

SEC filings (opens in a new tab)

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.

Q2 2023 vs. Q1 2023

How the institutions holding 2seventy bio, Inc. changed between Q1 2023 and Q2 2023.

All holders in Q2 2023 All holders in Q1 2023

13F holders of TSVT: Q1 2023 compared with Q2 2023
Measure	Q1 2023	Q2 2023	Change
Holders	147	150	+3
Shares	49.8M	49.9M	+79.4K (+0.2%)
Value	$508.0M	$504.8M	−$3.26M (−0.6%)

New holders (25)

Institutions that held 2seventy bio, Inc. at the end of Q2 2023 but not at the end of Q1 2023.

Institutions new to TSVT in Q2 2023
Institution	Shares	Value	% of portfolio
Avidity Partners Management LP	1,342,000	$13.6M	0.47%
DAFNA Capital Management LLC	496,416	$5.02M	1.37%
Dimensional Fund Advisors LP	311,246	$3.15M	0.00%
Moore Capital Management, LP	200,000	$2.02M	0.05%
Polar Asset Management Partners Inc.	198,300	$2.01M	0.04%
Two Sigma Investments, LP	115,446	$1.17M	0.00%
Walleye Capital LLC	75,307	$762.1K	0.01%
Healthcare of Ontario Pension Plan Trust Fund	68,000	$688.2K	0.00%
Jane Street Group, LLC	51,231	$518.5K	0.00%
Trexquant Investment LP	51,166	$517.8K	0.01%
Graham Capital Management, L.P.	25,725	$260.3K	0.01%
Pale Fire Capital SE	24,288	$245.8K	0.02%
Axq Capital, LP	16,600	$168.0K	0.21%
Virginia Retirement Systems Et Al	14,300	$144.7K	0.00%
Integrated Advisors Network LLC	13,575	$137.4K	0.01%
Walleye Trading LLC	12,555	$127.1K	0.01%
Exchange Traded Concepts, LLC	12,036	$121.8K	0.00%
Globeflex Capital L P	11,778	$119.2K	0.01%
Cutler Group LP	1,300	$13.0K	0.00%
Simplex Trading, LLC	791	$8.00K	0.00%
Fairfield, Bush & Co.	666	$6.74K	0.00%
Lindbrook Capital, LLC	164	$1.66K	0.00%
Capital Analysts, LLC	100	$1.00K	0.00%
St Germain D J Co Inc	19	$192	0.00%
Sofos Investments, Inc.	10	$14	0.00%

Sold out (22)

Institutions that held 2seventy bio, Inc. at the end of Q1 2023 and filed for Q2 2023 without it.

Institutions that sold out of TSVT in Q2 2023
Institution	Shares, Q1 2023	Value, Q1 2023
Balyasny Asset Management LLC	1,437,302	$14.7M
Iron Triangle Partners LP	868,939	$8.86M
Artal Group S.A.	750,000	$7.65M
Deep Track Capital, LP	350,000	$3.57M
Saturn V Capital Management LLC	172,188	$1.76M
Bank of Montreal	162,148	$1.74M
Norges Bank	156,100	$1.59M
Marshall Wace, LLP	65,558	$668.7K
Renaissance Technologies LLC	56,500	$576.0K
Prosight Management, LP	42,537	$433.9K
TD Asset Management Inc	42,000	$428.4K
HBK Investments L P	30,000	$306.0K
Voloridge Investment Management, LLC	29,663	$302.6K
Los Angeles Capital Management LLC	26,749	$272.8K
SG Americas Securities, LLC	15,056	$154.0K
Caas Capital Management LP	14,383	$146.7K
Gabelli Funds LLC	10,433	$106.4K
Sandia Investment Management LP	5,000	$51.0K
Cubist Systematic Strategies, LLC	4,106	$41.9K
Baillie Gifford & Co	286	$2.92K
Advisory Services Network, LLC	229	$2.34K
CWM, LLC	2	$0