ARK Investment Management LLC

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

Total Filings

185

Stocks Covered

47

Latest Filing

Mar 6, 2026

Filings

RPTX

Repare Therapeutics Inc.

SC 13G/A · Feb 10, 2023

5.8%

2.4M shares

QSI

Quantum-Si Inc.

SC 13G/A · Feb 10, 2023

9.9%

11.9M shares

PSNL

Personalis, Inc.

SC 13G/A · Feb 10, 2023

12.0%

5.5M shares

PD

PagerDuty, Inc.

SC 13G/A · Feb 10, 2023

11.2%

10.1M shares

PACB

Pacific Biosciences of California, Inc.

SC 13G/A · Feb 10, 2023

11.4%

25.7M shares

MTLS

MATERIALISE NV

SC 13G/A · Feb 10, 2023

6.6%

3.6M shares

MKFG

Markforged Holding Corp.

SC 13G/A · Feb 10, 2023

8.3%

16.0M shares

KTOS

Kratos Defense & Security Solutions Inc.

SC 13G/A · Feb 10, 2023

6.2%

7.7M shares

NVTA

Invitae Corporation

SC 13G/A · Feb 10, 2023

11.2%

27.1M shares

NTLA

Intellia Therapeutics, Inc.

SC 13G/A · Feb 10, 2023

11.2%

9.4M shares

DNA

Ginkgo Bioworks Holdings, Inc.

SC 13G/A · Feb 10, 2023

10.7%

144.4M shares

EXAS

Exact Sciences Corp.

SC 13G/A · Feb 10, 2023

9.0%

16.0M shares

DKNG

DraftKings Inc.

SC 13G/A · Feb 10, 2023

5.6%

25.0M shares

CRSP

CRISPR Therapeutics AG

SC 13G/A · Feb 10, 2023

10.0%

7.8M shares

CDXS

Codexis, Inc.

SC 13G/A · Feb 10, 2023

6.0%

3.9M shares

CERS

CERUS CORPORATION

SC 13G/A · Feb 10, 2023

8.9%

15.9M shares

CDNA

CareDX, Inc.

SC 13G/A · Feb 10, 2023

11.6%

6.2M shares

SRTA

Blade Air Mobility, Inc.

SC 13G/A · Feb 10, 2023

9.8%

7.0M shares

BEAM

Beam Therapeutics Inc.

SC 13G/A · Feb 10, 2023

11.7%

8.2M shares

ARCT

ARCTURUS THERAPEUTICS HOLDINGS INC.

SC 13G/A · Feb 10, 2023

7.6%

2.0M shares

ACCD

Accolade, Inc.

SC 13G/A · Feb 10, 2023

7.6%

5.5M shares

MASS

908 Devices Inc.

SC 13G/A · Feb 10, 2023

11.6%

3.7M shares

TWOU

2U, INC.

SC 13G/A · Feb 10, 2023

11.7%

9.2M shares

VLD

Velo3D, Inc.

SC 13G · Feb 10, 2023

5.4%

10.1M shares

SDGR

Schrödinger, Inc.

SC 13G · Feb 10, 2023

6.2%

3.9M shares

COIN

Coinbase Global, Inc.

SC 13G · Feb 10, 2023

5.1%

9.2M shares

BFLY

Butterfly Network, Inc.

SC 13G · Feb 10, 2023

5.7%

10.0M shares

ACHR

Archer Aviation Inc.

SC 13G/A · Feb 10, 2023

5.0%

8.9M shares

ADPT

Adaptive Biotechnologies Corporation

SC 13G · Feb 10, 2023

6.4%

9.2M shares

ROKU

Roku, Inc.

SC 13G/A · Dec 12, 2022

10.2%

12.4M shares

CDNA

CareDX, Inc.

SC 13G/A · Oct 11, 2022

10.8%

5.8M shares

DNA

Ginkgo Bioworks Holdings, Inc.

SC 13G · Oct 11, 2022

10.6%

126.8M shares

SURF

Surface Oncology, Inc.

SC 13G/A · Aug 9, 2022

11.6%

6.3M shares

TWST

Twist Bioscience Corporation

SC 13G/A · Jun 9, 2022

11.1%

6.3M shares

CDXS

Codexis, Inc.

SC 13G/A · Jan 10, 2022

5.0%

3.2M shares