Current position

Cathie Wood’s Proto Labs Inc (PRLB) position

Reported position history, portfolio importance and verified filing changes from public SEC disclosures.

ARK Investment ManagementVerified through Q2 2026
Relationship snapshot

At a glance

The full verified relationship, including prior ownership episodes and exits where supported.

First reportedQ4 2016Earliest verified positive filing snapshot
Latest statusCurrent positionBased on the latest supported relationship state
Peak shares4.12MHighest verified quarter-end share count
Quarters reported38Verified quarters with shares above zero
What happened?

ARK Investment Management first reported Proto Labs Inc in Q4 2016. The reported position was increased and reduced across later filings. ARK Investment Management currently reports 35.42K shares. The latest verified filing showed: Sold 22.5% of the position.

Verified SEC history

Position over time

See the same verified relationship through reported shares, portfolio weight or reported value.

Metric

Gaps indicate periods that cannot be safely connected or where a verified corporate action changes the raw share scale. Stock price, when available, is market context and not a transaction price.

Key filing events

What changed

Latest filing plus the most meaningful reported changes. Unchanged quarters are collapsed by default.

Q2 2026
Sold 22.5% of the position−10.29K shares · 35.42K shares remained
Filing context

Quarter-end price $81.51 · Estimated holding basis $114.71

Q1 2026
Sold 19.5% of the position−11.04K shares · 45.70K shares remained
Filing context

Quarter-end price $57.02 · Estimated holding basis $114.71

Q4 2025
Sold 21.0% of the position−15.05K shares · 56.74K shares remained
Filing context

Quarter-end price $50.59 · Estimated holding basis $114.71

Q3 2025
Sold 9.7% of the position−7.70K shares · 71.80K shares remained
Filing context

Quarter-end price $50.03 · Estimated holding basis $114.71

Q2 2025
Sold 8.7% of the position−7.55K shares · 79.50K shares remained
Filing context

Quarter-end price $40.04 · Estimated holding basis $114.71

Q1 2025
Sold 32.3% of the position−41.47K shares · 87.05K shares remained
Filing context

Quarter-end price $35.04 · Estimated holding basis $114.71

Portfolio importance

How important is Proto Labs Inc in ARK Investment Management’s reported portfolio?

Relative importance is measured only within the verified primary non-option reported portfolio for each quarter.

Current portfolio weight0.0%Q2 2026
Current rank#125of 190 reported positions
Peak portfolio weight3.3%Q4 2016
Best historical rank#7Q1 2017
At peak importanceQ4 2016
PRLB
3.3%
Largest holding
8.9%
Cross-investor discovery

Who else owns Proto Labs Inc?

Also reported by 1 other tracked investor in their latest verified filings.

Joel GreenblattGotham Asset Management
PRLB0.0% of reported portfolio
Explore Proto Labs Inc across all tracked investors →
SEC evidence & methodology

SEC filing evidence

Market context and filing-derived values are kept separate from actual transaction prices, which 13F filings do not disclose.

Latest verified stock price$83.242026-09-16

Market context only; not an investor transaction price.

Latest filing quarter-end price$81.51Q2 2026

Derived from validated reported value and shares where supported.

Estimated holding basis$114.71Historical reference — not actual purchase price

Calculated from supported filing history.

Latest verified investor filingQ2 2026 · filed 2026-08-14
Open SEC filing ↗

This tracker follows ARK Investment Management’s aggregated Form 13F disclosures. It is not Cathie Wood’s personal brokerage account, and 13F filings do not reveal exact trade dates or execution prices.