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Livermore
Livermore
ZHEN

Proto Labs Inc

PRLB
Exchange
NYSE
Industry
Fabricated Structural Metal Products
SEC CIK
0001443669

In the last 90 days, Proto Labs Inc insiders filed 0 open-market purchases and 2 sales; 277 institutions reported holding it in 13F filings for Q2 2026, worth $1.83B in total; ARK Invest is the only superinvestor holding it.

Q4 2023 vs. Q3 2023

How the institutions holding Proto Labs Inc changed between Q3 2023 and Q4 2023.

All holders in Q4 2023All holders in Q3 2023

13F holders of PRLB: Q3 2023 compared with Q4 2023
MeasureQ3 2023Of which not filed for Q4 2023Q4 2023Change
Holders1852219+36
Shares21.6M52521.7M+72.1K (+0.3%)
Value$571.4M$13.8K$845.8M+$274.4M (+48.0%)

2 institutions that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so the changes leave them out.

New holders (48)

Institutions that held Proto Labs Inc at the end of Q4 2023 but not at the end of Q3 2023.

Institutions new to PRLB in Q4 2023
InstitutionSharesValue% of portfolio
Arrowstreet Capital, Limited Partnership157,311$6.13M0.01%
Oberweis Asset Management Inc117,400$4.57M0.43%
Hillsdale Investment Management Inc.100,374$3.91M0.32%
Marshall Wace, LLP63,585$2.48M0.00%
Partnership Wealth Management, LLC67,751$2.45M1.84%
Crawford Fund Management, LLC52,622$2.05M1.73%
Jane Street Group, LLC26,171$1.02M0.00%
Numerai GP LLC20,880$813.5K0.29%
Dynamic Technology Lab Private Ltd19,699$767.0K0.08%
Bailard, Inc.14,800$576.6K0.02%
Nebula Research & Development LLC13,864$540.1K0.16%
Teacher Retirement System of Texas13,446$524.0K0.00%
Squarepoint Ops LLC13,268$516.9K0.00%
Susquehanna International Group, LLP12,719$495.5K0.00%
RBF Capital, LLC12,480$486.2K0.03%
Versor Investments LP12,100$471.4K0.10%
Keebeck Alpha, LP10,391$404.8K0.32%
Putnam Investments LLC9,252$360.5K0.00%
Mercer Global Advisors Inc9,091$354.0K0.00%
SG Capital Management LLC8,689$338.5K0.12%
State Board of Administration of Florida Retirement System7,559$294.5K0.00%
Diversified Trust Co7,342$286.0K0.01%
Arizona State Retirement System7,295$284.2K0.00%
Brevan Howard Capital Management LP7,046$274.5K0.03%
MML Investors Services, LLC6,386$249.0K0.00%
Corton Capital Inc.6,295$245.3K0.08%
SEI Investments Co5,921$230.7K0.00%
Y-Intercept (Hong Kong) Ltd5,860$228.3K0.02%
Bayesian Capital Management, LP5,695$221.9K0.02%
Summit Global Investments5,573$217.0K0.01%
Cresset Asset Management, LLC5,469$213.1K0.00%
Victory Capital Management Inc5,195$202.4K0.00%
Walleye Trading LLC2,779$108.3K0.00%
Simplex Trading, LLC2,154$83.0K0.00%
Point72 Asia (Singapore) Pte. Ltd.1,903$74.2K0.02%
Headlands Technologies LLC578$22.5K0.01%
Quest Partners LLC361$14.1K0.00%
Quarry LP270$10.5K0.01%
Private Wealth Management Group, LLC205$7.99K0.00%
Principal Securities, Inc.158$6.16K0.00%
RFP Financial Group LLC149$5.80K0.00%
HM Payson & Co120$4.68K0.00%
EverSource Wealth Advisors, LLC50$1.95K0.00%
GAMMA Investing LLC34$1.23K0.00%
Dunhill Financial, LLC29$1.13K0.00%
ICA Group Wealth Management, LLC24$9350.00%
Vima LLC16$6230.00%
Advisory Services Network, LLC14$5450.00%

Sold out (12)

Institutions that held Proto Labs Inc at the end of Q3 2023 and filed for Q4 2023 without it.

Institutions that sold out of PRLB in Q4 2023
InstitutionShares, Q3 2023Value, Q3 2023
ExodusPoint Capital Management, LP48,602$1.28M
Balyasny Asset Management LLC14,311$377.8K
PEAK6 Investments LLC10,198$269.2K
Aigen Investment Management, LP9,287$245.2K
Counterpoint Mutual Funds LLC8,478$223.8K
Point72 Middle East FZE4,392$115.9K
State of Wyoming2,521$66.6K
Point72 Asset Management, L.P.1,078$28.5K
Harbour Investments, Inc.200$5.28K
Northwestern Mutual Wealth Management Co200$5.28K
Stonebridge Capital Advisors LLC50$1.32K
JFS Wealth Advisors, LLC4$106

Not filed for Q4 2023 yet (2)

Institutions that held Proto Labs Inc at the end of Q3 2023 and haven't filed a 13F for Q4 2023. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding PRLB in Q3 2023 that haven't filed for Q4 2023
InstitutionShares, Q3 2023Value, Q3 2023
Antonetti Capital Management LLC524$13.8K
Steward Financial Group LLC1$0