ClusterSignal

Ticker Story

BFLY

Butterfly Network, Inc. · Health Care

38/ 100

2 independent mixed-direction signals · 53 days

2 of 8 signal types active in the last 90 days

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Signal Timeline

Activist StakeAug 17, 2026

Rothberg Jonathan M. — 13D/A, 0.3% of Butterfly Network, Inc.

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Activist StakeAug 17, 2026

GLENVIEW CAPITAL MANAGEMENT, LLC — 13D/A, 4.8% of Butterfly Network, Inc.

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Insider ClustermixedAug 14, 2026

3 insiders, mixed · $16.5M · Grade C

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13F Fund PositionbuyAug 14, 2026

Citadel Advisors — increase position (+183%) · $5.6M

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13F Fund PositionbuyAug 14, 2026

ARK Investment Management — increase position (+103%) · $42.8M

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13F Fund PositionbuyAug 13, 2026

Renaissance Technologies — new position · $790K

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Activist StakeAug 7, 2026

FMR LLC — 13G, 11.8% of BUTTERFLY NETWORK INC

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Activist StakeJul 27, 2026

BlackRock, Inc. — 13G/A, 7.8% of Butterfly Network, Inc.

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Activist StakeJul 21, 2026

Rothberg Jonathan M. — 13D/A, 0.4% of Butterfly Network, Inc.

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Insider ClustersellJul 20, 2026

3 insiders, sell · $2.1M · Grade B

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Activist StakeJul 17, 2026

Rothberg Jonathan M. — 13D/A, 0.4% of Butterfly Network, Inc.

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Insider ClustersellJul 7, 2026

4 insiders, sell · $2.7M · Grade B

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Activist StakeMar 26, 2026

The Vanguard Group — 13G/A, 0% of Butterfly Network Inc

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Activist StakeMar 17, 2026

Rothberg Jonathan M. — 13D/A, 1.6% of Butterfly Network, Inc.

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Insider ClustersellMar 5, 2026

4 insiders, sell · $2.8M · Grade B

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Activist StakeFeb 17, 2026

GLENVIEW CAPITAL MANAGEMENT, LLC — 13D/A, 6.34% of Butterfly Network, Inc.

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Activist StakeFeb 5, 2026

Fosun Industrial Co., Limited — 13G/A, 4.7% of Butterfly Network, Inc.

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Activist StakeJan 30, 2026

The Vanguard Group — 13G, 5% of Butterfly Network Inc

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Activist StakeDec 17, 2025

Rothberg Jonathan M. — 13D/A, 2.1% of Butterfly Network, Inc.

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Activist StakeDec 1, 2025

Rothberg Jonathan M. — 13D/A, 3.2% of Butterfly Network, Inc.

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Activist StakeNov 24, 2025

GLENVIEW CAPITAL MANAGEMENT, LLC — 13D/A, 6.35% of Butterfly Network, Inc.

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⚠ Detection and context from official public sources — not financial advice, not a prediction.