Security key
500946108
Korro Bio, Inc. - Common Stock, par value $0.001 per share (the "Shares")
CUSIP: 500946108
Q4 2025 13F Holders as of 31 Dec 2025
- Type / Class
- Equity / Common Stock, par value $0.001 per share (the "Shares")
- Shares outstanding
- 9,480,333
- Total 13F shares
- 769,089
- Share change
- +63,454
- Total reported value
- $6,160,403
- Put/Call ratio
- 1898%
- Price per share
- $8.01
- Number of holders
- 4
- Value change
- +$508,266
- Number of buys
- 3
- Number of sells
- 1
Report period
Q4 2025
Institutions
4
Top holders
4
500946108 full security history
Newer quarter: Q1 2026
Previous quarter: Q3 2024
Korro Bio, Inc. SEC filings
Broader feeds
Reporting periods
Holder history for CUSIP 500946108
Recent filing periods:
Top shareholders of 500946108 - Korro Bio, Inc. - Common Stock, par value $0.001 per share (the "Shares") (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 first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings 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 |
|---|---|---|---|---|---|---|---|---|
| CITADEL ADVISORS LLC |
13F
13D/G
|
Company |
3.9%
from 13D/G
|
153,928
|
$7,371,612 | — | 30 Sep 2025 | |
| STATE STREET CORP |
13F
|
Company |
1.3%
|
124,569
|
$5,965,609 | — | 30 Sep 2025 | |
| RENAISSANCE TECHNOLOGIES LLC |
13F
|
Company |
0.43%
|
40,400
|
$1,934,756 | — | 30 Sep 2025 |
Institutional Holders of Korro Bio, Inc. - Common Stock, par value $0.001 per share (the "Shares") as of Q4 2025
As of 31 Dec 2025,
Korro Bio, Inc. - Common Stock, par value $0.001 per share (the "Shares") was held by
4 institutional
shareholders
that filed Form 13F with the SEC.
Together, they reported ownership of
769,089 shares.
The largest 4 holders included
VANGUARD GROUP INC, STATE STREET CORP, RENAISSANCE TECHNOLOGIES LLC, and CITADEL ADVISORS LLC.
This page lists
4
institutional shareholders reporting positions in this security
for the Q4 2025 filing period.
| Investor | Option | Weight % | Change % | Value $ | * Price | Shares | Share Change | Activity | Report Period |
|---|
Compare Q4 2025 vs Q3 2024 Across Filers
Q3 2024 holders
1
Q4 2025 holders
4
Holder diff
3
| Investor | Q3 2024 Shares | Q4 2025 Shares | Share Diff | Share Chg % | Q3 2024 Value $ | Q4 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.
An asterisk sign (*) next to the price indicates that the price is likely invalid.