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

13F Institutional Holders and Ownership History from Q4 2021 to Q3 2025

Type / Class
Equity / Common Stock, par value $0.0001 per share
Symbol
TSVT
Shares outstanding
52,406,487
Price per share
$5.00
All holders as of 30 Sep 2025
Q3 2025
Total 13F shares
0
Total reported value
$0
Share change
-95,972
Value change
-$507,987
Number of holders
0
Price from insider filings
$5.00
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of 2seventy bio, Inc. - Common Stock, par value $0.0001 per share (TSVT) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
VANGUARD GROUP INC 5.4% $14,069,150 2,819,469 The Vanguard Group 31 Mar 2025
GOLDMAN SACHS GROUP INC 0% $1,531 308 THE GOLDMAN SACHS GROUP, INC. 30 Jun 2025

As of 30 Sep 2025, 0 institutional investors reported holding 0 shares of 2seventy bio, Inc. - Common Stock, par value $0.0001 per share (TSVT). This represents 0% of the company’s total 52,406,487 outstanding shares.

Institutional Holders of 2seventy bio, Inc. - Common Stock, par value $0.0001 per share (TSVT) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2025 Q3 0 $0 -$507,987 $5.00 0
2025 Q2 95,972 $507,987 -$233,368,571 $9.92 2
2025 Q1 47,343,776 $233,886,428 +$26,350,036 $4.94 135
2024 Q4 45,953,282 $135,099,391 -$4,233,897 $2.94 115
2024 Q3 45,014,292 $212,478,861 -$12,126,215 $4.72 112
2024 Q2 47,616,396 $183,350,210 +$592,537 $3.85 112
2024 Q1 46,621,664 $249,450,311 -$4,585,028 $5.35 112
2023 Q4 48,194,986 $205,771,368 -$19,985,874 $4.27 113
2023 Q3 54,800,462 $214,765,730 -$17,309,644 $3.92 140
2023 Q2 49,877,027 $504,757,759 +$349,413 $10.12 145
2023 Q1 49,797,308 $508,015,188 +$174,343,587 $10.20 140
2022 Q4 32,832,112 $307,624,848 -$28,979,577 $9.37 132
2022 Q3 33,935,762 $493,769,986 -$11,534,913 $14.55 113
2022 Q2 34,631,078 $457,133,912 +$34,811,430 $13.20 115
2022 Q1 31,860,508 $543,474,449 +$220,494,653 $17.06 116
2021 Q4 18,695,153 $479,312,107 +$479,312,107 $25.63 108