KORRO BIO INC (KRRO) Institutional Ownership Changes & 13F Activity
KORRO BIO INC (KRRO). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q2 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Kalehua Capital Management Llc, Adage Capital Partners Gp, L.L.C., Atlas Venture Life Science Advisors, Llc, Balyasny Asset Management L.P., and Goldman Sachs Group Inc.
| Institution | Type | Change in shares | Change Position % | Shares | Reported stock balance | Portfolio quarter | Filing date |
|---|---|---|---|---|---|---|---|
| Citadel Advisors Llc | Buy | +9,476 | +30.7% | 40,390 | $532.34K | Q2 2026 | Sep 02, 2026 |
| California State Teachers Retirement System | Buy | +93 | — | 93 | $1.23K | Q2 2026 | Aug 24, 2026 |
| Kalehua Capital Management Llc | Buy | +405,040 | — | 405,040 | $5.34M | Q2 2026 | Aug 19, 2026 |
| Mercer Global Advisors Inc | Buy | +12,888 | — | 12,888 | $169.86K | Q2 2026 | Aug 19, 2026 |
| Adage Capital Partners Gp, L.L.C. | Buy | +312,568 | +136.9% | 540,968 | $7.13M | Q2 2026 | Aug 14, 2026 |
| Balyasny Asset Management L.P. | Sell | -88,271 | -8.5% | 951,783 | $12.54M | Q2 2026 | Aug 14, 2026 |
| Goldman Sachs Group Inc | Buy | +66,442 | +131.5% | 116,983 | $1.54M | Q2 2026 | Aug 14, 2026 |
| Millennium Management Llc | Buy | +54,828 | +86.2% | 118,434 | $1.56M | Q2 2026 | Aug 14, 2026 |
| Bank Of America Corp | Buy | +51,707 | — | 51,707 | $681.50K | Q2 2026 | Aug 14, 2026 |
| Trexquant Investment Lp | Sell | -44,726 | -79.6% | 11,482 | $151.33K | Q2 2026 | Aug 14, 2026 |
| D. E. Shaw & Co., Inc. | Buy | +34,213 | — | 34,213 | $450.93K | Q2 2026 | Aug 14, 2026 |
| Aqr Capital Management Llc | Buy | +31,219 | +11.7% | 298,974 | $3.94M | Q2 2026 | Aug 14, 2026 |
| Hsbc Holdings Plc | Buy | +17,812 | — | 17,812 | $232.80K | Q2 2026 | Aug 14, 2026 |
| Price T Rowe Associates Inc | Buy | +17,634 | — | 17,634 | $233.00K | Q2 2026 | Aug 14, 2026 |
| Engineers Gate Manager Lp | Sell | -13,485 | -56.9% | 10,217 | $134.66K | Q2 2026 | Aug 14, 2026 |
| Xtx Topco Ltd | Sell | -12,653 | -20.9% | 47,819 | $630.25K | Q2 2026 | Aug 14, 2026 |
| Two Sigma Investments, Lp | Buy | +12,599 | +7.6% | 178,071 | $2.35M | Q2 2026 | Aug 14, 2026 |
| Alliancebernstein L.P. | Buy | +12,180 | — | 12,180 | $137.88K | Q2 2026 | Aug 14, 2026 |
| Cerity Partners Llc | Buy | +10,794 | — | 10,794 | $142.26K | Q2 2026 | Aug 14, 2026 |
| Charles Schwab Investment Management Inc | Buy | +10,716 | +80.0% | 24,110 | $317.77K | Q2 2026 | Aug 14, 2026 |
| Wells Fargo & Company/Mn | Buy | +6,975 | +269.4% | 9,564 | $126.05K | Q2 2026 | Aug 14, 2026 |
| Boothbay Fund Management, Llc | Sell | -6,147 | -14.6% | 35,853 | $472.54K | Q2 2026 | Aug 14, 2026 |
| Raymond James Financial Inc | Buy | +6,082 | +14.2% | 48,920 | $644.76K | Q2 2026 | Aug 14, 2026 |
| Susquehanna Portfolio Strategies, Llc | Sell | -5,625 | -29.4% | 13,500 | $177.93K | Q2 2026 | Aug 14, 2026 |
| Mirae Asset Global Etfs Holdings Ltd. | Buy | +1,916 | +59.6% | 5,130 | $67.61K | Q2 2026 | Aug 14, 2026 |
| Legal & General Group Plc | Buy | +556 | +105.7% | 1,082 | $14.26K | Q2 2026 | Aug 14, 2026 |
| Royal Bank Of Canada | Buy | +248 | +238.5% | 352 | $4.00K | Q2 2026 | Aug 14, 2026 |
| Jpl Wealth Management, Llc | Buy | +1 | +50.0% | 3 | $40.00 | Q2 2026 | Aug 14, 2026 |
| Osaic Holdings, Inc. | Sell | -1 | -0.7% | 134 | $1.77K | Q2 2026 | Aug 14, 2026 |
| Atlas Venture Life Science Advisors, Llc | Sell | -174,265 | -15.3% | 962,884 | $12.69M | Q2 2026 | Aug 13, 2026 |
Frequently asked questions about KRRO activity
Which institutional owners are buying KRRO?
Institutional owners buying KRRO include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.
What does "buy" mean in KRRO activity?
"Buy" means an investor increased their reported position in KRRO compared to the prior reporting period. This reflects growing exposure to KORRO BIO INC (KRRO) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).
Is institutional interest in KRRO increasing?
Institutional interest in KRRO can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.
Related KRRO Institutional Insights
- KRRO Overview
- KRRO 13F Institutional Holders
- KRRO Top Institutional Shareholders
- Healthcare Sector Institutional Ownership
- Healthcare Sector Portfolio Overlap
- Institutional Portfolio Overlap & Shared Holdings
- Most Bought Healthcare Stocks By Institutional Investors
- Most Sold Healthcare Stocks By Institutional Investors
- KRRO Insider Trading & SEC Form 4 Activity
- KRRO Articles
- Top Institutional Investor Stock Rankings