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Livermore
Livermore
ZHEN

ARK Invest

Superinvestor

ARK Investment Management LLC

SEC CIK
0001697748
Manager
Cathie Wood
Style
Growth
Latest filing
Aug 14, 2026

PRLB holding history

Proto Labs Inc in every 13F filed by ARK Invest, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.

PRLB overviewAll 13F holders of PRLBFull Q2 2026 holdings

Shares (Q2 2026)
35,418
Value
$2.89M
% of portfolio
<0.1%
Quarters held
22
Since Q1 2021
Holdings of PRLB by ARK Invest, by quarter
QuarterSharesValue% of portfolioShare changeActionAll holders
Q2 202635,418$2.89M<0.1%−10,286−22.5%ReducedHolders
Q1 202645,704$2.61M<0.1%−11,040−19.5%ReducedHolders
Q4 202556,744$2.87M<0.1%−15,053−21.0%ReducedHolders
Q3 202571,797$3.59M<0.1%−7,702−9.7%ReducedHolders
Q2 202579,499$3.18M<0.1%−7,547−8.7%ReducedHolders
Q1 202587,046$3.05M<0.1%−41,465−32.3%ReducedHolders
Q4 2024128,511$5.02M<0.1%+4,750+3.8%AddedHolders
Q3 2024123,761$3.63M<0.1%−9,205−6.9%ReducedHolders
Q2 2024132,966$4.11M<0.1%−3,497−2.6%ReducedHolders
Q1 2024136,463$4.88M<0.1%−41,882−23.5%ReducedHolders
Q4 2023178,345$6.95M<0.1%−1,105−0.6%ReducedHolders
Q3 2023179,450$4.74M<0.1%−45,599−20.3%ReducedHolders
Q2 2023225,049$7.87M0.1%+1,127+0.5%AddedHolders
Q1 2023223,922$7.42M0.1%−135,416−37.7%ReducedHolders
Q4 2022359,338$9.17M0.1%−203,740−36.2%ReducedHolders
Q3 2022563,078$20.5M0.1%−66,261−10.5%ReducedHolders
Q2 2022629,339$30.3M0.2%−35,006−5.3%ReducedHolders
Q1 2022664,345$35.1M0.1%−52,302−7.3%ReducedHolders
Q4 2021716,647$36.8M0.1%−1,902,676−72.6%ReducedHolders
Q3 20212,619,323$174.4M0.4%−411,307−13.6%ReducedHolders
Q2 20213,030,630$278.2M0.5%−624,224−17.1%ReducedHolders
Q1 20213,654,854$445.0M0.9%––Holders

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.