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Of the 9 tracked institutions holding KRRO, 4 have a 3-year clone track record — 4 of them beat the S&P. Average holder's clone alpha: +5.6pt. It's a gauge of who owns the name, not just how many.
Among the 9 tracked institutional investors we monitor, KRRO (KORRO BIO INC) is held with a combined value of $19.39M across 1,855,788 shares. The largest holder is BlackRock, Inc. with a position worth $5.21M. ADAGE CAPITAL PARTNERS GP, L.L.C. opened a new position in the most recent quarter. 5 funds increased their holdings. 3 funds reduced their position.
Total Institutional Value
$19.39M
Total Shares Held
1,855,788
Institutional Holders
9
Ranked by estimated dollars moved (share change × implied price). 13F data lags up to 45 days.
| # | Fund | Value↓ | Portfolio % | Change |
|---|---|---|---|---|
| 1 | BlackRock, Inc. | $5.21M | 0.00% | +0.6% |
| 2 | VANGUARD GROUP INC | $3.92M | 0.00% | +23.8% |
| 3 | AQR CAPITAL MANAGEMENT LLC | $3.03M | 0.00% | +558.7% |
| 4 | ADAGE CAPITAL PARTNERS GP, L.L.C. | $2.59M | 0.00% | New |
| 5 | STATE STREET CORP | $1.59M | 0.00% | -4.0% |
| 6 | RENAISSANCE TECHNOLOGIES LLC | $1.54M | 0.00% | +81.9% |
| 7 | MILLENNIUM MANAGEMENT LLC | $720.02K | 0.00% | -60.5% |
| 8 | FMR LLC | $440.35K | 0.00% | +2.8% |
| 9 | CITADEL ADVISORS LLC | $349.95K | 0.00% | -47.0% |
As of the latest SEC 13F filings, BlackRock, Inc. is the largest institutional holder of KRRO with a position worth $5.21M, representing 0.00% of their portfolio. In total, 9 institutional investors hold KRRO with a combined value of $19.39M.
In the most recent quarter, 1 fund opened a new position in KRRO. Additionally, 5 increased their holdings and 3 reduced their positions.
Institutional investors hold $19.39M worth of KRRO stock across 9 positions. The largest institutional holder is BlackRock, Inc. with $5.21M in holdings.
A 13F filing is a quarterly report required by the SEC from institutional investment managers with over $100 million in assets. It discloses their holdings in U.S. equities. For KRRO, these filings reveal which major funds are accumulating or reducing positions, providing insights into institutional sentiment.
Get notified when hedge funds change their KRRO positions.
Alpha = the manager's 3-year clone return minus the S&P 500. A skilled roster is a stronger tell than a crowded one — though even skilled managers' edge doesn't reliably survive the 13F disclosure lag. Why →
Last Close
$10.64
2026-07-24
YTD
+32.2%
12% of 52-week range
