PROTO LABS INC COM

PROTO LABS INC COM is a security (CUSIP 743713109) tracked across SEC portfolio filings. 276 institutional managers reported $1.3B on Form 13F as of 2026-06-30; 21 registered fund positions totaling $40.7M via N-PORT as of 2026-05-31.

Summary

Top institutional holders (Form 13F)

Showing 15 of 276 managers by value.

ManagerLocationValueShares
BlackRock, Inc.New York, NY$209.7M3,677,875
DISCIPLINED GROWTH INVESTORS INC /MNMINNEAPOLIS, MN$142.4M2,497,355
VANGUARD GROUP INCValley Forge, PA$134.9M2,666,227
DIMENSIONAL FUND ADVISORS LPAUSTIN, TX$72.5M1,272,356
STATE STREET CORPBOSTON, MA$62.3M1,092,000
AMERICAN CAPITAL MANAGEMENT INCNew York, NY$35.8M627,705
GEODE CAPITAL MANAGEMENT, LLCBOSTON, MA$33.1M580,201
RENAISSANCE TECHNOLOGIES LLCNEW YORK, NY$29.7M520,251
Rubric Capital Management LPNew York, NY$27.7M486,400
ARROWSTREET CAPITAL, LIMITED PARTNERSHIPBOSTON, MA$26.4M463,780
FMR LLCBOSTON, MA$24.1M422,356
PRUDENTIAL FINANCIAL INCNEWARK, NJ$22.8M400,241
Driehaus Capital Management LLCChicago, IL$21.0M369,136
CHARLES SCHWAB INVESTMENT MANAGEMENT INCSAN FRANCISCO, CA$20.5M360,203
Nuveen, LLCCHARLOTTE, NC$18.1M316,939

Top fund holders (N-PORT)

Showing 15 of 21 fund positions by value.

FundRegistrantValue% of fund
VANGUARD EXTENDED MARKET INDEX FUNDVANGUARD INDEX FUNDS$15.0M1.85%
VANGUARD RUSSELL 2000 INDEX FUNDVANGUARD SCOTTSDALE FUNDS$9.3M5.28%
U.S. MICRO CAP PORTFOLIODFA INVESTMENT DIMENSIONS GROUP INC$4.2M5.60%
Master Small Cap Index SeriesQuantitative Master Series LLC$2.2M4.59%
Gabelli Dividend & Income TrustGabelli Dividend & Income Trust$1.8M6.89%
VANGUARD MARKET NEUTRAL FUNDVANGUARD MONTGOMERY FUNDS$1.4M32.38%
Goldman Sachs ActiveBeta(R) U.S. Small Cap Equity ETFGoldman Sachs ETF Trust$1.2M11.81%
Gabelli Equity Trust IncGabelli Equity Trust Inc$1.1M6.22%
VANGUARD U.S. MOMENTUM FACTOR ETFVANGUARD WELLINGTON FUND$869K4.73%
VANGUARD BALANCED INDEX FUNDVANGUARD VALLEY FORGE FUNDS$779K0.13%
BNY Mellon Smallcap Stock Index FundBNY MELLON INDEX FUNDS, INC.$764K9.01%
VANGUARD INSTITUTIONAL TOTAL STOCK MARKET INDEX FUNDVANGUARD INSTITUTIONAL INDEX FUNDS$600K0.20%
Weiss Strategic Interval FundWeiss Strategic Interval Fund$548K10.63%
CORNERCAP SMALL-CAP VALUE FUNDCORNERCAP GROUP OF FUNDS$413K34.33%
DWS Small Cap Index VIPDEUTSCHE DWS INVESTMENTS VIT FUNDS$190K4.53%

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