Korro Bio, Inc.· KRRO

🇺🇸 US · MicroBroad USNASDAQ

HealthcareBiotechnologyWebsite

Price: $11.35
Day: +5.68%
Mkt Cap: $112.97M
52W Range: $5.20 – $55.89
Volume: 132.4K
Beta: 2.11

D55D FrameworkQuarterly Data

Holdings Analysis

Insider activity, institutional flows, and fund ownership.

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stockoscope.com

Korro Bio, Inc.

KRRO|Healthcare|Biotechnology

Current price: $11

Smart Money

Dimension 5 of 5

Insider Activity, Q3 2026

Latest scored quarter, net flow, and top transactions by value

Net dollar flow-$1.5M

Net share flow-110.0K

Purchases0 ($0)

Sales4 ($1.5M)

Top Notable Transactions

Insider

Type

Value

Date

Yang Rick

Purchase

$2.3M

Mar 10

SANDELL SCOTT D

Purchase

$2.3M

Mar 10

BASKETT FOREST

Purchase

$2.3M

Mar 10

Institutional Ownership, Q1 2026

Ownership share, position changes, share flow, and top holders

Ownership110.4%

13F share flow+58.2%

Investors holding104

+99 adding-37 reducing

New 33Inc 66Red 21Closed 16

Top Institutional Holders

Institution

Value

Change

LYNX1 CAPITAL MANAGEMENT LP

$17.4M

+126.8%

NEA MANAGEMENT COMPANY, LLC

$14.7M

+18.9%

ATLAS VENTURE LIFE SCIENCE ADVISORS, LLC

$12.9M

-0.0%

BALYASNY ASSET MANAGEMENT L.P.

$11.8M

+100.0%

ETF & Mutual Fund Activity, Q2 2026

Latest meaningful quarter: fund-by-fund buying / unchanged / selling

Funds reporting35

Total shares held1.4M

Share flow+6.1%

9 buying4 selling

Buying 9Unchanged 22Selling 4

Top Fund Holders

Fund

Weight

Change

iSHARES TRUST

250.6K

0.00%

FIDELITY MT VERNON STREET TRUST

178.2K

0.52%

FIDELITY CONCORD STREET TRUST

66.8K

0.02%

+4.2K

RBB FUND, INC.

62.9K

0.04%

+940

See the complete picture

The full 5D Framework: Business Quality · Peer Comparison · Valuation · Analyst Sentiment · Smart Money

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Generated August 5, 2026

For educational purposes only. Not financial advice. Data may be delayed or incomplete.

Smart Money Sentiment

KRRO Smart Money Sentiment Score

A weighted 1-5 sentiment score across three smart money signals.

Smart Money

4.0/5

Bullish

Weighted across 3 components

Component Breakdown (3 of 3 available)

Insider Activity

40% weight

-12

Institutional Flow

50% weight

+100

Fund Flow

10% weight

+60

Overall Smart Money sentiment of 4.0/5 (Bullish) based on a weighted combination of 3 components. Insider activity uses a relative-baseline comparison against the stock's own history; institutional flow tracks position momentum and 13F share changes; fund flow measures ETF / mutual-fund buying vs selling. Higher scores indicate stronger bullish sentiment from professional investors.Last updated August 4, 2026.

Insider Trading Activity

Insider trading analysis comparing the latest quarter against the stock's own historical baseline.

Insider Activity for KRRO

Net insider share flow by quarter (C-suite & director purchases minus sales)

Neutral

Routine insider selling in Q3 2026

4 sales totaling $1.5M (110.0K shares)

Limited history to compare against

Buying seen in 1 of 7 quarters

Notable Recent Transactions, KRRO

Top 8 highest-value recent insider trades

Yang Rick

Insider

Buy

207,100 shares at $11.11

Mar 10, 2026$2.30M

SANDELL SCOTT D

Insider

Buy

207,100 shares at $11.11

Mar 10, 2026$2.30M

BASKETT FOREST

Insider

Buy

207,100 shares at $11.11

Mar 10, 2026$2.30M

New Enterprise Associates 17, L.P.

Insider

Buy

207,100 shares at $11.11

Mar 10, 2026$2.30M

Chang Carmen

Insider

Buy

207,100 shares at $11.11

Mar 10, 2026$2.30M

Mathers Edward T

Insider

Buy

207,100 shares at $11.11

Mar 10, 2026$2.30M

Florence Anthony A. Jr.

Insider

Buy

207,100 shares at $11.11

Mar 10, 2026$2.30M

Makhzoumi Mohamad

Insider

Buy

207,100 shares at $11.11

Mar 10, 2026$2.30M

Institutional Ownership Analysis

Institutional ownership analysis with position momentum, 13F share flow, and ownership percentage trends.

Institutional Ownership Over Time for KRRO

Total dollar value invested by institutions each quarter

Very Bullish

Institutions accumulating in Q1 2026

110.4% institutional ownership

Strong accumulation: 99 institutions adding vs 37 reducing positions

13F shares increased by 40.9%, a significant shift

Momentum improving from prior quarter

Position Changes

Q2 2026: how are institutions adjusting their positions?

+14 growing-87 shrinkingNet: -73

New (3)

Increased (11)

Reduced (2)

Closed (85)

Top Institutional Holders, KRRO

Largest 8 institutional positions by ownership percentage as of Q2 2026

WALLEYE CAPITAL LLC

54.3K

$715.5K

Ownership

0.47%

+100.0%

WEALTH ENHANCEMENT ADVISORY SERVICES, LLC

11.5K

$167.6K

Ownership

0.10%

+100.0%

CITIGROUP INC

5.2K

$68.1K

Ownership

0.04%

+1578.2%

POLICE & FIREMEN'S RETIREMENT SYSTEM OF NEW JERSEY

4.6K

$61.0K

Ownership

0.04%

+237.0%

NEW YORK STATE COMMON RETIREMENT FUND

3.0K

$39.5K

Ownership

0.03%

No change

NORTH STAR INVESTMENT MANAGEMENT CORP.

1.8K

$23.7K

Ownership

0.02%

No change

GAMMA INVESTING LLC

861

$11.3K

Ownership

0.01%

+16.8%

TD WATERHOUSE CANADA INC.

808

$11.0K

Ownership

0.01%

No change

ETF and Mutual Fund Holdings

ETF and mutual fund activity breakdown showing buying vs selling funds, top fund holders, and detailed holdings.

Fund Activity

Q2 2026: 35 ETFs and mutual funds reporting

9 buying4 sellingNet: +5

Buying (9)

Unchanged (22)

Selling (4)

Very Bullish

Funds accumulating in Q2 2026

35 ETFs and mutual funds reporting

9 funds buying vs 4 selling

Top Fund Holders, KRRO

Largest 8 ETF and mutual fund positions by shares held as of latest filing

iSHARES TRUST

250.6K

Weight

0.00%

No change

FIDELITY MT VERNON STREET TRUST

178.2K

Weight

0.52%

No change

FIDELITY CONCORD STREET TRUST

66.8K

Weight

0.02%

Increased

RBB FUND, INC.

62.9K

Weight

0.04%

Increased

FIDELITY SELECT PORTFOLIOS

51.1K

Weight

0.09%

No change

VANGUARD SCOTTSDALE FUNDS

39.6K

Weight

0.00%

Increased

VANGUARD WORLD FUND

21.8K

Weight

0.01%

Increased

T. Rowe Price Index Trust, Inc.

7.2K

Weight

0.03%

No change

Korro Bio, Inc.· KRRO

Holdings Analysis

Insider Trading Activity

1.3Transaction History60Real market purchases and sales onlyShow All Types

Institutional Ownership Analysis

2.4Detailed Holdings42Most recent institutional positions with changes and valuations

ETF and Mutual Fund Holdings

3.3Fund Holdings Details25Most recent ETF and mutual fund holdings with share counts and weights

Search stocks

Holdings Analysis

Insider Trading Activity

1.3Transaction History60Real market purchases and sales onlyShow All Types

Institutional Ownership Analysis

2.4Detailed Holdings42Most recent institutional positions with changes and valuations

ETF and Mutual Fund Holdings

3.3Fund Holdings Details25Most recent ETF and mutual fund holdings with share counts and weights