2seventy bio, Inc. - Common Stock, par value $0.0001 per share (TSVT)

CUSIP: 901384107

Q2 2025 13F Holders as of 30 Jun 2025

Type / Class
Equity / Common Stock, par value $0.0001 per share
Shares outstanding
52,406,487
Total 13F shares
95,972
Share change
-47,238,441
Total reported value
$507,987
Price per share
$9.92
Number of holders
2
Value change
-$233,368,571
Number of sells
135

Quarterly Holders Quick Answers

What is CUSIP 901384107?
CUSIP 901384107 identifies TSVT - 2seventy bio, Inc. - Common Stock, par value $0.0001 per share in SEC institutional holdings data.

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Top shareholders of TSVT - 2seventy bio, Inc. - Common Stock, par value $0.0001 per share (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked by the holder's primary source value. indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Holder Source Role / Reporting Ownership % Shares Holdings Value 12M Net Δ As of Details
Kynam Capital Management, LP
3/4/5
10%+ Owner
class O/S missing
10,284,222
$61,293,964 10 Aug 2023
GOLDMAN SACHS GROUP INC
13F 13D/G
Company · THE GOLDMAN SACHS GROUP, INC.
0%
from 13D/G
4,681,675
$23,127,474 31 Mar 2025
Beryl Capital Management LLC
13F
Company
8.1%
4,250,000
$20,995,000 31 Mar 2025
13F
BlackRock, Inc.
13F
Company
7.6%
3,971,873
$19,621,051 31 Mar 2025
13F
MORGAN STANLEY
13F
Company
5.7%
2,967,078
$14,657,367 31 Mar 2025
13F
VANGUARD GROUP INC
13D/G 13F
The Vanguard Group · Company
5.4%
2,819,469
$14,069,150 $0 31 Mar 2025
Casdin Capital, LLC
3/4/5 13F
Director · Company
3.8%
from 13F
2,571,459
mixed-class rows
$12,893,491 13 May 2025
Newtyn Management, LLC
13F
Company
4.8%
2,534,836
$12,522,090 31 Mar 2025
13F
BANK OF AMERICA CORP /DE/
13F
Company
4.8%
2,516,505
$12,431,535 31 Mar 2025
13F
BAKER BROS. ADVISORS LP
13F
Company
4.8%
2,497,526
$12,337,778 31 Mar 2025
13F
Man Group plc
13F
Company
3.9%
2,043,026
$10,092,549 31 Mar 2025
13F
GLAZER CAPITAL, LLC
13F
Company
2.5%
1,328,166
$6,561,000 31 Mar 2025
13F
REGENERON PHARMACEUTICALS, INC.
13F
Company
2.4%
1,254,827
$6,198,845 31 Mar 2025
13F
GEODE CAPITAL MANAGEMENT, LLC
13F
Company
2.3%
1,207,345
$5,965,821 31 Mar 2025
13F
First Trust Capital Management L.P.
13F
Company
2.2%
1,143,962
$5,651,172 31 Mar 2025
13F
STATE STREET CORP
13F
Company
2%
1,069,815
$5,284,886 31 Mar 2025
13F
TORONTO DOMINION BANK
13F
Company
1.5%
800,000
$3,952,000 31 Mar 2025
13F
Engine Capital Management, LP
13F
Company
1.3%
703,972
$3,477,622 31 Mar 2025
13F
Madison Avenue Partners, LP
13F
Company
1.1%
579,895
$2,864,681 31 Mar 2025
13F
Groupe la Francaise
13F
Individual
0.92%
480,000
$2,378,400 31 Mar 2025
13F
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND
13F
Company
0.88%
460,000
$2,272,400 31 Mar 2025
13F
DAFNA Capital Management LLC
13F
Company
0.82%
429,252
$2,120,505 31 Mar 2025
13F
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
13F
Company
0.8%
417,950
$2,064,673 31 Mar 2025
13F
DIMENSIONAL FUND ADVISORS LP
13F
Company
0.77%
406,055
$2,005,948 31 Mar 2025
13F
NORTHERN TRUST CORP
13F
Company
0.76%
398,910
$1,970,615 31 Mar 2025
13F
GARDNER LEWIS ASSET MANAGEMENT L P
13F
Company
0.76%
395,936
$1,955,924 31 Mar 2025
13F
BALYASNY ASSET MANAGEMENT L.P.
13F
Company
0.75%
394,013
$1,946,424 31 Mar 2025
13F
DeepCurrents Investment Group LLC
13F
Company
0.74%
390,169
$1,927,435 31 Mar 2025
13F
DEUTSCHE BANK AG\
13F
Company
0.71%
371,630
$1,835,852 31 Mar 2025
13F
Philip D. Gregory
3/4/5
Chief Scientific Officer
mixed-class rows
469,155
mixed-class rows
$1,789,046 05 Jan 2024
OXFORD ASSET MANAGEMENT LLP
13F
Company
0.67%
352,739
$1,742,531 31 Mar 2025
13F
CREDIT INDUSTRIEL ET COMMERCIAL
13F
Individual
0.61%
320,000
$1,580,800 31 Mar 2025
13F
MONIMUS CAPITAL MANAGEMENT, LP
13F
Company
0.57%
296,260
$1,463,524 31 Mar 2025
13F
GABELLI FUNDS LLC
13F
Company
0.48%
252,500
$1,247,350 31 Mar 2025
13F
UBS Group AG
13F
Company
0.46%
243,434
$1,202,564 31 Mar 2025
13F
Invesco Ltd.
13F
Company
0.41%
215,494
$1,064,540 31 Mar 2025
13F
MILLENNIUM MANAGEMENT LLC
13F
Company
0.41%
212,298
$1,048,752 31 Mar 2025
13F
ABC ARBITRAGE SA
13F
Company
0.38%
200,792
$991,912 31 Mar 2025
13F
GABELLI & Co INVESTMENT ADVISERS, INC.
13F
Company
0.37%
192,450
$950,703 31 Mar 2025
13F
BCK CAPITAL MANAGEMENT LP
13F
Company
0.36%
191,000
$943,540 31 Mar 2025
13F
SUSQUEHANNA INTERNATIONAL GROUP, LLP
13F
Company
0.34%
180,057
$889,482 31 Mar 2025
13F
Bank of New York Mellon Corp
13F
Company
0.29%
151,136
$746,613 31 Mar 2025
13F
WELLINGTON MANAGEMENT GROUP LLP
13F
Company
0.28%
147,663
$729,455 31 Mar 2025
13F
William D. Baird III
3/4/5
President and CEO, Director
class O/S missing
176,000
$691,680 13 May 2025
Sagefield Capital LP
13F
Company
0.22%
115,889
$572,492 31 Mar 2025
13F
WATER ISLAND CAPITAL LLC
13F
Company
0.2%
104,006
$513,790 31 Mar 2025
13F
Nuveen, LLC
13F
Company
0.2%
103,648
$512,020 31 Mar 2025
13F
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.
13F
Company
0.2%
102,512
$506,409 31 Mar 2025
13F
AMERICAN CENTURY COMPANIES INC
13F
Company
0.18%
94,272
$465,704 31 Mar 2025
13F
RHUMBLINE ADVISERS
13F
Company
0.16%
84,817
$418,984 31 Mar 2025
13F

Institutional Holders of 2seventy bio, Inc. - Common Stock, par value $0.0001 per share (TSVT) as of Q2 2025

As of 30 Jun 2025, 2seventy bio, Inc. - Common Stock, par value $0.0001 per share (TSVT) was held by 2 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 95,972 shares. The largest 2 holders included Nuveen, LLC and OSAIC HOLDINGS, INC.. This page lists 2 institutional shareholders reporting positions in this security for the Q2 2025 filing period.
Investor Option Weight % Change % Value $ * Price Shares Share Change Activity Report Period

Compare Q2 2025 vs Q1 2025 Across Filers

Q1 2025 holders
135
Q2 2025 holders
2
Holder diff
-133
Investor Q1 2025 Shares Q2 2025 Shares Share Diff Share Chg % Q1 2025 Value $ Q2 2025 Value $ Value Diff $ Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.
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