Latest Period
n/a
Security Snapshot
2seventy bio, Inc. - Common Stock, par value $0.0001 per share (TSVT) Institutional Ownership
CUSIP: 901384107
13F Institutional Holders and Ownership History from Q4 2021 to Q4 2025
Institutions Reporting
Shares (Excl. Options)
Price
$5.00
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- Security type / class
- Equity / Common Stock, par value $0.0001 per share
- Symbol
- TSVT
- Shares outstanding
- 52,406,487
- Reported price per share
- $5.00
- Price from insider filings
- $5.00
Security identity
2 facts
Issuer context
3 facts
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors
Key facts
- TSVT - 2seventy bio, Inc. - Common Stock, par value $0.0001 per share is tracked under CUSIP 901384107.
- Latest finished 13F holder period is not available.
- 2 significant owners is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 0 to 0 between Q3 2025 and Q4 2025.
- Reported value moved from $0 to $0.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Schedule 13D/G
Open SEC Evidence
Ownership context comes from Schedule 13D/G and available holder history for this CUSIP.
Security key
901384107
Latest holder period
n/a
13F holders
13D/G owners
2
CIK / CUSIP context first
TSVT full holder history
2seventy bio, Inc. SEC filings
2seventy bio, Inc. company facts
2seventy bio, Inc. insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 901384107:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
2
Security
TSVT
| 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 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
17
Latest
n/a
Rows shown
1-17 of 17
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2025 Q4 | 0 | $0 | -$380,404 | $5.00 | 0 |
| 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 |