Korro Bio, Inc. - Common Stock, par value $0.001 per share (KRRO)

Historical Holders from Q4 2023 to Q4 2025

Type / Class
Equity / Common Stock, par value $0.001 per share
Symbol
KRRO on Nasdaq
Shares outstanding
9,405,551
Price per share
$8.01
All holders as of 30 Sep 2025
Q3 2025
Total 13F shares as of 30 Sep 2025
9,720,187
Total reported value
$465,499,339
% of total 13F portfolios
0%
Share change
+469,713
Value change
+$39,225,103
Avg buy value change
+0%
Avg sell value change
-0%
Number of holders
90
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of Korro Bio, Inc. - Common Stock, par value $0.001 per share (KRRO) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
Point72 Asset Management, L.P. 8.7% $10,693,286 816,905 Steven A. Cohen 30 Jun 2025
Lynx1 Capital Management LP 7.8% $5,531,593 733,633 Lynx1 Capital Management LP 23 Dec 2025
DRIEHAUS CAPITAL MANAGEMENT LLC 7.2% +38% $32,181,170 +$8,480,170 671,981 +36% DRIEHAUS CAPITAL MANAGEMENT LLC 30 Sep 2025
CITADEL ADVISORS LLC 3.9% $6,163,449 369,733 Citadel Advisors LLC 31 Dec 2024
Deep Track Capital, LP 3% $3,638,575 277,966 Deep Track Capital, LP 30 Jun 2025
ALLIANCEBERNSTEIN L.P. 0.1% -92% $100,793 -$9,138,050 7,700 -99% AllianceBernstein L.P. 30 Jun 2025
As of 30 Sep 2025, Korro Bio, Inc. - Common Stock, par value $0.001 per share (KRRO) has 90 institutional shareholders filing 13F forms. They hold 9,720,187 shares. .

Top 25 institutional shareholders own 95% of the company.

Filer Ownership Nb Shares Share Change % Portfolio % Holdings Value
Atlas Venture Life Science Advisors, LLC 12% 1,137,149 0% 7.2% $54,458,066
NEA Management Company, LLC 12% 1,090,793 0% 2.9% $52,238,077
Driehaus Capital Management LLC 7.1% 671,981 +16% 0.23% $32,181,170
FMR LLC 6% 563,681 -12% 0% $26,994,683
Point72 Asset Management, L.P. 5.7% 531,969 -1.5% 0.06% $25,475,995
Cormorant Asset Management, LP 4.9% 465,000 0% 1.5% $22,268,850
BlackRock, Inc. 4.7% 446,698 -3.3% 0% $21,392,369
Siren, L.L.C. 4.5% 418,833 0% 0.78% $20,057,912
TCG Crossover Management, LLC 4.4% 416,301 0.98% $19,936,655
VANGUARD GROUP INC 4.2% 395,659 +2.3% 0% $18,948,109
QIMING U.S. VENTURES MANAGEMENT, LLC 3.9% 368,085 0% 32% $17,627,591
Tri Locum Partners LP 3.6% 337,764 0% 3.7% $16,175,518
72 Investment Holdings, LLC 2.9% 276,831 0% 20% $13,257,437
Polar Capital Holdings Plc 2.8% 264,694 +5.9% 0.06% $12,676,196
MILLENNIUM MANAGEMENT LLC 2.8% 260,333 +1.8% 0.01% $12,467,347
JPMORGAN CHASE & CO 2.1% 199,249 +6185% 0% $9,542,035
MORGAN STANLEY 1.8% 167,494 +105% 0% $8,021,288
GEODE CAPITAL MANAGEMENT, LLC 1.7% 162,932 +4.9% 0% $7,804,182
CITADEL ADVISORS LLC 1.6% 153,928 -56% 0.01% $7,371,612
RAYMOND JAMES FINANCIAL INC 1.6% 148,971 +79% 0% $7,134,221
STATE STREET CORP 1.3% 124,569 +2.2% 0% $5,965,609
Blue Owl Capital Holdings LP 1.1% 105,000 -16% 1.6% $5,028,450
Schonfeld Strategic Advisors LLC 0.96% 90,186 0.03% $4,319,004
TWO SIGMA INVESTMENTS, LP 0.69% 64,455 +75% 0% $3,086,750
DAFNA Capital Management LLC 0.65% 60,804 +5.4% 0.72% $2,911,904

Institutional Holders of Korro Bio, Inc. - Common Stock, par value $0.001 per share (KRRO) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (% of par) Investors
2025 Q4 102 $817 -$13,784 800.98% 1
2025 Q3 9,720,187 $465,499,339 +$39,225,103 4,789% 90
2025 Q2 8,912,049 $111,311,830 -$12,666,834 1,249% 68
2025 Q1 9,704,902 $168,963,706 -$381,515 1,741% 75
2024 Q4 9,447,026 $359,649,124 +$39,856,612 3,807% 83
2024 Q3 8,537,080 $285,308,897 -$12,430,500 3,342% 70
2024 Q2 8,435,947 $285,725,569 +$37,204,728 3,387% 63
2024 Q1 6,909,485 $618,593,997 +$31,054,435 9,000% 48
2023 Q4 5,491,489 $260,365,563 +$260,365,563 4,793% 38