Equibles

KRRO

Korro Bio, Inc.

Company with tickers: KRRO

CIK
1703647
CUSIP
500946108
Shares Outstanding
14,422,571
Price History Institutional Holders Short Volume Short Interest Fails to Deliver Financials SEC Filings Earnings Calls Insider Trades Congressional Trades
Holders: 95
Total Value: $144,054,894
Total Shares: 12,725,702

Institutional Ownership Trend

6 quarters

Holder Concentration

Across 95 13F filers · Δ vs Dec 31, 2025
Top Holder
12.1%
−87.9 pts
Top 5
47.3%
−52.7 pts
Top 10
69.5%
−30.5 pts
HHI
609
Broadly held −9,391

Quarterly Activity

vs Dec 31, 2025
New
94
Increased
0
Decreased
1
Sold Out
0
Unchanged
0
Holder count: +94
Institutional value: +34518.7%
Shares held: +24396.1%

Top Buyers

vs Dec 31, 2025
No qualifying movers this quarter.

Top Sellers

vs Dec 31, 2025
Institution Sold Now Holds
Mega GOLDMAN SACHS GROUP INC −1,409 50,541

Top New Positions

vs Dec 31, 2025
Institution Acquired Value (USD)
Small Lynx1 Capital Management LP 1,538,296 $17,413,510
Mid NEA Management Company, LLC 1,297,893 $14,692,148
Small Atlas Venture Life Science Advisors, LLC 1,137,149 $12,872,526
Large Balyasny Asset Management L.P. 1,040,054 $11,773,411
Mid Venrock Adviser, LLC 1,009,500 $11,427,540

Top Sold-Out Positions

vs Dec 31, 2025
No fully closed positions this quarter.
99 of 99 shown
All Common Calls Puts
Export CSV
Holder Value (USD) % of 13F Shares Action
Small Lynx1 Capital Management LP $17,413,510 12.09% 1,538,296 View
Mid NEA Management Company, LLC $14,692,148 10.20% 1,297,893 View
Small Atlas Venture Life Science Advisors, LLC $12,872,526 8.94% 1,137,149 View
Large Balyasny Asset Management L.P. $11,773,411 8.17% 1,040,054 View
Mid Venrock Adviser, LLC $11,427,540 7.93% 1,009,500 View
Mid Affinity Asset Advisors, LLC $8,002,153 5.55% 706,904 View
Mid Nantahala Capital Management, LLC $7,471,607 5.19% 660,036 View
Mid ADAR1 Capital Management, LLC $6,113,411 4.24% 540,054 View
Mega BlackRock, Inc. $5,207,264 3.61% 460,006 View
Large Driehaus Capital Management LLC $5,094,509 3.54% 450,045 View
Mid TCG Crossover Management, LLC $4,712,527 3.27% 416,301 View
Mid Siren, L.L.C. $3,936,167 2.73% 347,718 View
Micro 72 Investment Holdings, LLC $3,133,726 2.18% 276,831 View
Mega AQR CAPITAL MANAGEMENT LLC $3,030,984 2.10% 267,755 View
Large ADAGE CAPITAL PARTNERS GP, L.L.C. $2,585,488 1.79% 228,400 View
Mega GEODE CAPITAL MANAGEMENT, LLC $1,965,638 1.36% 173,643 View
Mega CITADEL ADVISORS LLC $1,909,684 1.33% 168,700 View
Mega TWO SIGMA INVESTMENTS, LP $1,873,143 1.30% 165,472 View
Mega STATE STREET CORP $1,588,660 1.10% 140,341 View
Large RENAISSANCE TECHNOLOGIES LLC $1,542,089 1.07% 136,227 View
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $1,324,440 0.92% 117,000 View
Mega JANE STREET GROUP, LLC $1,309,768 0.91% 115,704 View
Small Kalehua Capital Management LLC $1,238,136 0.86% 109,376 View
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $985,972 0.68% 87,100 View
Mega CITADEL ADVISORS LLC $786,740 0.55% 69,500 View
Mega JPMORGAN CHASE & CO $775,419 0.54% 68,500 View
Mega MILLENNIUM MANAGEMENT LLC $720,019 0.50% 63,606 View
Mid EMERALD MUTUAL FUND ADVISERS TRUST $711,518 0.49% 62,855 View
Mid F/m Investments LLC $711,518 0.49% 62,855 View
Mid XTX Topco Ltd $684,543 0.48% 60,472 View
Large Trexquant Investment LP $636,274 0.44% 56,208 View
Mega GOLDMAN SACHS GROUP INC $572,124 0.40% 50,541 View
Mega RAYMOND JAMES FINANCIAL INC $484,925 0.34% 42,838 View
Mega JANE STREET GROUP, LLC $484,496 0.34% 42,800 View
Mid BOOTHBAY FUND MANAGEMENT, LLC $475,440 0.33% 42,000 View
Large ACADIAN ASSET MANAGEMENT LLC $473,459 0.33% 41,825 View
Mega MORGAN STANLEY $463,020 0.32% 40,903 View
Mega FMR LLC $440,348 0.31% 38,900 View
Large Quantinno Capital Management LP $407,270 0.28% 35,978 View
Large MARSHALL WACE, LLP $388,762 0.27% 34,343 View
Mega CITADEL ADVISORS LLC $349,946 0.24% 30,914 View
Small AIHC Capital Management Ltd $342,599 0.24% 30,265 View
Large Mariner, LLC $292,271 0.20% 25,819 View
Mid Engineers Gate Manager LP $268,306 0.19% 23,702 View
Mega Bank of New York Mellon Corp $245,982 0.17% 21,730 View
Mega UBS Group AG $245,371 0.17% 21,676 View
Mid Quadrature Capital Ltd $230,429 0.16% 20,356 View
Mid ALGERT GLOBAL LLC $217,174 0.15% 19,185 View
Mid Susquehanna Portfolio Strategies, LLC $216,495 0.15% 19,125 View
Large GUGGENHEIM CAPITAL LLC $159,576 0.11% 14,097 View
Mega CHARLES SCHWAB INVESTMENT MANAGEMENT INC $151,620 0.11% 13,394 View
Large IEQ CAPITAL, LLC $144,635 0.10% 12,777 View
Large HRT FINANCIAL LP $122,142 0.08% 10,790 View
Mega DEUTSCHE BANK AG\ $119,357 0.08% 10,544 View
Mega RHUMBLINE ADVISERS $111,502 0.08% 9,850 View
Large CWM, LLC $110,619 0.08% 9,772 View
Large MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. $36,382 0.03% 3,214 View
Large NEW YORK STATE COMMON RETIREMENT FUND $33,960 0.02% 3,000 View
Mega WELLS FARGO & COMPANY/MN $29,307 0.02% 2,589 View
Mega BNP PARIBAS ARBITRAGE, SA $26,647 0.02% 2,354 View
Large Russell Investments Group, Ltd. $23,941 0.02% 2,115 View
Mid North Star Investment Management Corp. $20,376 0.01% 1,800 View
Mid Tower Research Capital LLC (TRC) $18,610 0.01% 1,644 View
Large Police & Firemen's Retirement System of New Jersey $15,542 0.01% 1,373 View
Small Essential Partners LLC $14,965 0.01% 1,322 View
Mid PNC FINANCIAL SERVICES GROUP, INC. $9,395 0.01% 830 View
Large TD Waterhouse Canada Inc. $9,146 0.01% 808 View
Mid GAMMA Investing LLC $8,342 0.01% 737 View
Small Versant Capital Management, Inc $7,822 0.01% 691 View
Mid MAI Capital Management $6,859 0.00% 606 View
Mid Ameritas Investment Partners, Inc. $6,769 0.00% 598 View
Mega Legal & General Group Plc $5,954 0.00% 526 View
Small DUNCKER STREETT & CO INC $4,946 0.00% 437 View
Mega CITIGROUP INC $3,486 0.00% 308 View
Mid Allworth Financial LP $3,294 0.00% 291 View
Mid Advisory Services Network, LLC $2,773 0.00% 245 View
Mega UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC $2,547 0.00% 225 View
Mid Sterling Capital Management LLC $2,490 0.00% 220 View
Mid NORTHERN TRUST CORP $1,562 0.00% 138 View
Mid OSAIC HOLDINGS, INC. $1,528 0.00% 135 View
Mega ROYAL BANK OF CANADA $1,175 0.00% 104 View
Micro True Wealth Design, LLC $1,120 0.00% 99 View
Mid Arax Advisory Partners $973 0.00% 86 View
Mid ROTHSCHILD INVESTMENT LLC $815 0.00% 72 View
Small Root Financial Partners, LLC $713 0.00% 63 View
Small Keating Financial Advisory Services, Inc. $713 0.00% 63 View
Mid Optiver Holding B.V. $679 0.00% 60 View
Mid Farther Finance Advisors, LLC $611 0.00% 54 View
Mid IFP Advisors, Inc $509 0.00% 45 View
Micro Bare Financial Services, Inc $498 0.00% 44 View
Micro Wealth Preservation Advisors, LLC $498 0.00% 44 View
Large NISA INVESTMENT ADVISORS, LLC $452 0.00% 40 View
Micro Fortitude Family Office, LLC $441 0.00% 39 View
Small SJS Investment Consulting Inc. $249 0.00% 22 View
Small Sunbelt Securities, Inc. $192 0.00% 17 View
Large FIFTH THIRD BANCORP $124 0.00% 11 View
Small EverSource Wealth Advisors, LLC $56 0.00% 5 View
Small JPL Wealth Management, LLC $22 0.00% 2 View
Mid SBI Securities Co., Ltd. $11 0.00% 1 View

Report a Problem

Category
Description
Email (optional, for follow-up)