ARK Investment Management LLC

Activist investor & 5%+ owner · SC 13D/13G filings

Total Filings

183

Stocks Covered

46

Latest Filing

Feb 3, 2026

Filings

THAR

Tharimmune, Inc.

SC 13G · Feb 3, 2026

8.9%

3.3M shares

RXRX

Recursion Pharmaceuticals, Inc.

SC 13G/A · Feb 3, 2026

7.3%

37.3M shares

PACB

Pacific Biosciences of California, Inc.

SC 13G/A · Feb 3, 2026

12.3%

37.3M shares

NTLA

Intellia Therapeutics, Inc.

SC 13G/A · Feb 3, 2026

12.3%

14.2M shares

BEAM

Beam Therapeutics Inc.

SC 13G/A · Feb 3, 2026

12.3%

12.5M shares

ACHR

Archer Aviation Inc.

SC 13G · Feb 3, 2026

5.4%

35.2M shares

TWST

Twist Bioscience Corp

SC 13G/A · Feb 3, 2026

12.4%

7.6M shares

N/A

Brera Holdings PLC

SC 13G/A · Feb 3, 2026

14.4%

9.1M shares

ARCT

Arcturus Therapeutics Holdings Inc.

SC 13G/A · Feb 3, 2026

9.2%

2.6M shares

VCYT

VERACYTE, INC.

SC 13G/A · Jan 8, 2026

4.9%

3.9M shares

ROKU

ROKU, INC

SC 13G/A · Jan 8, 2026

4.5%

5.9M shares

IRDM

Iridium Communications Inc.

SC 13G/A · Dec 5, 2025

3.9%

4.1M shares

KDK

Kodiak AI, Inc.

SC 13G/A · Nov 7, 2025

1.2%

2.3M shares

VCYT

VERACYTE, INC.

SC 13G · Nov 4, 2025

5.7%

4.5M shares

SRTA

Strata Critical Medical, Inc.

SC 13G/A · Nov 4, 2025

7.5%

6.4M shares

ROKU

ROKU, INC

SC 13G/A · Nov 4, 2025

5.6%

7.4M shares

PD

PagerDuty, Inc.

SC 13G/A · Nov 4, 2025

9.5%

8.8M shares

PACB

Pacific Biosciences of California, Inc.

SC 13G/A · Nov 4, 2025

10.3%

30.9M shares

KDK

Kodiak AI, Inc.

SC 13G · Nov 4, 2025

5.1%

920K shares

IRDM

Iridium Communications Inc.

SC 13G/A · Nov 4, 2025

6.1%

6.5M shares

NTLA

Intellia Therapeutics, Inc.

SC 13G/A · Nov 4, 2025

11.1%

11.9M shares

CRSP

CRISPR Therapeutics AG

SC 13G/A · Nov 4, 2025

10.8%

9.8M shares

MASS

908 Devices Inc.

SC 13G/A · Nov 4, 2025

5.4%

2.0M shares

TXG

10x Genomics, Inc.

SC 13G/A · Nov 4, 2025

10.4%

11.9M shares

N/A

Brera Holdings PLC

SC 13G · Oct 7, 2025

11.5%

7.3M shares

PD

PagerDuty, Inc.

SC 13G/A · Aug 7, 2025

10.9%

10.0M shares

BEAM

Beam Therapeutics Inc.

SC 13G/A · Aug 7, 2025

10.3%

10.4M shares

PD

PagerDuty, Inc.

SC 13G/A · Jul 30, 2025

9.3%

8.6M shares

CERS

CERUS CORP

SC 13G/A · Jul 30, 2025

10.1%

19.2M shares

ARCT

Arcturus Therapeutics Holdings Inc.

SC 13G/A · Jul 30, 2025

6.3%

1.7M shares

ACHR

Archer Aviation Inc.

SC 13G/A · Jun 6, 2025

4.6%

25.4M shares

VCYT

VERACYTE, INC.

SC 13G/A · Jun 6, 2025

4.1%

3.2M shares

QSI

Quantum-Si Inc

SC 13G/A · Jun 6, 2025

4.8%

7.8M shares

ADPT

Adaptive Biotechnologies Corporation

SC 13G/A · Jun 6, 2025

2.9%

4.4M shares

CRSP

CRISPR Therapeutics AG

SC 13G/A · May 14, 2025

11.8%

10.2M shares

TXG

10x Genomics, Inc.

SC 13G/A · May 14, 2025

11.9%

12.8M shares

ROKU

ROKU, INC

SC 13G/A · May 14, 2025

6.7%

8.6M shares

VCYT

VERACYTE, INC.

SC 13G · May 14, 2025

5.0%

3.9M shares

QSI

Quantum-Si Inc

SC 13G/A · May 14, 2025

5.3%

8.7M shares

PSNL

Personalis, Inc.

SC 13G/A · May 14, 2025

8.1%

7.2M shares

ACHR

Archer Aviation Inc.

SC 13G · May 14, 2025

5.0%

27.3M shares

ACCD

Accolade, Inc.

SC 13G/A · May 14, 2025

0.0%

0 shares

ADPT

Adaptive Biotechnologies Corporation

SC 13G · May 14, 2025

5.2%

7.7M shares

ABSI

Absci Corp

SC 13G/A · May 14, 2025

8.6%

11.0M shares

VCYT

VERACYTE, INC.

SC 13G/A · May 7, 2025

4.5%

3.5M shares

ACHR

Archer Aviation Inc.

SC 13G/A · May 7, 2025

4.8%

26.4M shares

ADPT

Adaptive Biotechnologies Corporation

SC 13G/A · May 7, 2025

4.0%

6.1M shares

TWST

Twist Bioscience Corp

SC 13G/A · Mar 7, 2025

10.7%

6.4M shares

PD

PagerDuty, Inc.

SC 13G/A · Mar 7, 2025

10.3%

9.3M shares

RXRX

Recursion Pharmaceuticals, Inc.

SC 13G/A · Feb 14, 2025

8.5%

32.3M shares