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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.

Q2 2021 vs. Q1 2021

How the institutions holding Proto Labs Inc changed between Q1 2021 and Q2 2021.

All holders in Q2 2021All holders in Q1 2021

13F holders of PRLB: Q1 2021 compared with Q2 2021
MeasureQ1 2021Of which not filed for Q2 2021Q2 2021Change
Holders3161273−42
Shares28.8M16128.9M+103.8K (+0.4%)
Value$3.49B$20.0K$2.65B−$840.5M (−24.1%)

1 institution that held it in Q1 2021 haven't filed for Q2 2021 yet. Not filing isn't selling, so the changes leave them out.

New holders (37)

Institutions that held Proto Labs Inc at the end of Q2 2021 but not at the end of Q1 2021.

Institutions new to PRLB in Q2 2021
InstitutionSharesValue% of portfolio
Healthcare of Ontario Pension Plan Trust Fund103,500$9.50M0.02%
Voloridge Investment Management, LLC23,568$2.16M0.01%
Advantage Alpha Capital Partners LP20,342$1.87M0.36%
Brookfield Asset Management Inc.16,452$1.51M0.01%
M&G Investment Management Ltd15,524$1.43M0.01%
Baird Financial Group, Inc.14,547$1.33M0.00%
Pearl River Capital, LLC11,668$1.07M0.29%
Aigen Investment Management, LP7,942$729.0K0.13%
Centiva Capital, LP5,220$479.0K0.04%
Green Alpha Advisors, LLC5,196$477.0K0.32%
Private Harbour Investment Management & Counsel, LLC5,148$473.0K0.42%
Pathstone Family Office, LLC4,678$430.0K0.01%
Twinbeech Capital LP4,595$422.0K0.05%
Gabelli Funds LLC4,200$386.0K0.00%
HBK Investments L P3,568$328.0K0.00%
Gabelli & Co Investment Advisers, Inc.3,300$303.0K0.04%
Ergoteles LLC2,802$257.0K0.01%
Formidable Asset Management, LLC2,462$226.0K0.05%
Seven Eight Capital, LP2,331$214.0K0.03%
Select Equity Group, L.P.2,181$200.2K0.00%
Capital Advisory Group Advisory Services, LLC2,053$188.0K0.07%
Cutler Group LP1,160$106.0K0.01%
Arkadios Wealth Advisors995$91.0K0.01%
Parallax Volatility Advisers, L.P.693$64.0K0.00%
Acadian Asset Management LLC477$44.0K0.00%
Group One Trading, L.P.435$40.0K0.00%
Maverick Capital LtdSuperinvestorMaverick Capital361$33.0K0.00%
State of Wyoming300$28.0K0.02%
Tradition Wealth Management, LLC100$9.00K0.00%
Edmond de Rothschild Holding S.A.50$5.00K0.00%
Strategic Blueprint, LLC50$5.00K0.00%
Beck Bode, LLC55$5.00K0.00%
Bessemer Group Inc31$3.00K0.00%
West Branch Capital LLC29$3.00K0.00%
Perkins Coie Trust Co8$1.00K0.00%
Selective Wealth Management, Inc.8$1.00K0.00%
CVA Family Office, LLC7$1.00K0.00%

Sold out (79)

Institutions that held Proto Labs Inc at the end of Q1 2021 and filed for Q2 2021 without it.

Institutions that sold out of PRLB in Q2 2021
InstitutionShares, Q1 2021Value, Q1 2021
Stephens Investment Management Group LLC342,184$41.7M
Standard Life Aberdeen plc123,662$15.1M
Pembroke Management, LTD69,123$8.42M
Premier Asset Management LLC67,800$8.26M
Natixis66,000$8.04M
Capital Fund Management S.A.53,591$6.52M
Canada Pension Plan Investment Board37,000$4.50M
Tower Research Capital LLC (TRC)35,630$4.34M
Tudor Investment Corp Et Al28,784$3.50M
Balyasny Asset Management LLC26,126$3.18M
Panagora Asset Management Inc20,048$2.44M
Botty Investors LLC17,776$2.16M
Paloma Partners Management Co14,832$1.81M
Virtu Financial LLC13,134$1.60M
Cipher Capital LP9,486$1.16M
Quantbot Technologies LP7,575$922.0K
Y-Intercept (Hong Kong) Ltd6,585$806.0K
Chicago Capital, LLC5,430$661.0K
Essex Investment Management Co LLC5,254$640.0K
FORA Capital, LLC4,992$608.0K
Marshall Wace, LLP4,812$586.0K
Interchange Capital Partners, LLC4,531$577.0K
Nomura Holdings Inc4,201$514.0K
Trexquant Investment LP4,183$509.0K
XTX Topco Ltd4,022$490.0K
Virginia Retirement Systems Et Al3,900$475.0K
Phoenix Wealth Advisors3,948$474.0K
Sciencast Management LP4,050$454.0K
Radnor Capital Management, LLC3,200$390.0K
Great Lakes Advisors, LLC3,103$378.0K
GWM Advisors LLC3,028$369.0K
STRS Ohio2,700$328.0K
AlphaCrest Capital Management LLC2,625$320.0K
Point72 Hong Kong Ltd2,446$298.0K
Stephens Inc2,441$297.0K
Guggenheim Capital LLC2,252$274.0K
Vontobel Holding Ltd.2,199$268.0K
Raymond James & Associates2,185$266.0K
Private Advisor Group, LLC2,138$260.0K
Franklin Resources Inc2,048$250.0K
Creative Planning2,032$247.0K
Pictet Asset Management Ltd2,000$244.0K
Avantax Advisory Services, Inc.1,920$234.0K
Capital Asset Advisory Services LLC1,912$233.0K
Susquehanna International Group Ltd.1,900$231.0K
Sawtooth Solutions, LLC1,866$227.0K
Perigon Wealth Management, LLC1,868$227.0K
Shelton Capital Management1,786$217.0K
First Republic Investment Management, Inc.1,774$216.0K
Hengehold Capital Management LLC1,749$213.0K
MML Investors Services, LLC1,652$201.0K
Commonwealth Equity Services, LLC1,640$199.0K
Contravisory Investment Management, Inc.1,323$161.0K
Endurance Wealth Management, Inc.834$102.0K
Valeo Financial Advisors, LLC750$91.0K
Mercer Global Advisors Inc200$24.0K
Abundance Wealth Counselors200$24.0K
Van Eck Associates Corp140$17.0K
Sowell Financial Services LLC147$15.0K
International Assets Investment Management, LLC101$14.0K
Versant Capital Management, Inc95$12.0K
Massmutual Trust Co FSB62$8.00K
Eudaimonia Partners, LLC65$8.00K
Brand Asset Management Group, Inc.59$7.00K
Wealthcare Advisory Partners LLC50$6.00K
Neo Ivy Capital Management51$6.00K
Central Trust Co36$4.00K
Jacobi Capital Management LLC30$4.00K
WealthShield Partners, LLC30$4.00K
Human Investing LLC35$4.00K
Hudock, Inc.25$3.00K
Alpha DNA Investment Management LLC24$2.00K
Global Financial Private Client, LLC15$1.80K
Ameritas Investment Company, LLC12$1.46K
Federated Hermes, Inc.3$1.00K
Total Clarity Wealth Management, Inc.10$1.00K
Assetmark, Inc2$0
Tarbox Family Office, Inc.3$0
Meridian Wealth Partners, LLC3$0

Not filed for Q2 2021 yet (1)

Institutions that held Proto Labs Inc at the end of Q1 2021 and haven't filed a 13F for Q2 2021. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding PRLB in Q1 2021 that haven't filed for Q2 2021
InstitutionShares, Q1 2021Value, Q1 2021
Tompkins Financial Corp161$20.0K