— Know what they know.
Not Investment Advice
Also trades as: 0KRR.L (LSE) · $vol 0M

PRLB NYSE

Proto Labs, Inc.
1W: -4.0% 1M: +8.9% 3M: +6.6% YTD: +35.7% 1Y: +70.5% 3Y: +122.3% 5Y: -26.7%
$71.36
+1.61 (+2.31%)
 
Weekly Expected Move ±4.1%
$66 $69 $72 $75 $78
NYSE · Industrials · Manufacturing - Miscellaneous · Alpha Radar Buy · Power 61 · $1.7B mcap · 23M float · 0.722% daily turnover · Short 61% of daily vol

🏦 Institutional Activity

Latest: Q1 2026
283
Institutions Holding
+24 vs prior
68.7%
Ownership
+3.95%
46 New
67 Increased
120 Reduced
49 Closed

👔 Insider Trades

25 records
Date Name Title Type Shares Price Value Filing
2026-05-19 KRANTZ DONALD G director A-Grant/Award 2,210 $— $0 Filing
2026-05-19 WEHRWEIN SVEN director A-Grant/Award 2,210 $— $0 Filing
2026-05-19 Gawlick Rainer director A-Grant/Award 2,210 $— $0 Filing
2026-02-25 Schumacher Daniel officer: chief financial officer F-Tax Withholding 504 $62.63 $32K Filing
2026-02-25 Schumacher Daniel officer: chief financial officer A-Grant/Award 3,074 $— $0 Filing
2026-02-25 Krishna Suresh officer: president and ceo A-Grant/Award 13,373 $— $0 Filing
2026-02-25 Kermisch Marc officer: chief technology & ai officer A-Grant/Award 2,795 $— $0 Filing
2026-02-25 Kenison Michael R. officer: chief operations officer F-Tax Withholding 531 $62.63 $33K Filing
2026-02-25 Kenison Michael R. officer: chief operations officer A-Grant/Award 2,415 $— $0 Filing
2026-02-17 Kenison Michael R. officer: chief operations officer S-Sale 5,000 $66.46 $332K Filing
2026-02-13 Kenison Michael R. officer: chief operations officer F-Tax Withholding 1,540 $67.52 $104K Filing
2026-02-13 Schumacher Daniel officer: chief financial officer F-Tax Withholding 1,267 $67.52 $86K Filing
2026-02-10 Kenison Michael R. officer: chief operations officer F-Tax Withholding 2,684 $53.18 $143K Filing
2026-02-10 Schumacher Daniel officer: chief financial officer F-Tax Withholding 6,809 $53.18 $362K Filing
2026-02-06 Kenison Michael R. officer: chief operations officer S-Sale 2,500 $60.00 $150K Filing
2026-01-29 Kenison Michael R. officer: chief operations officer A-Grant/Award 8,128 $— $0 Filing
2026-01-29 Schumacher Daniel officer: chief financial officer A-Grant/Award 20,686 $— $0 Filing
2025-11-25 Kenison Michael R. officer: chief operations officer S-Sale 3,048 $50.17 $153K Filing
2025-11-25 Kenison Michael R. officer: chief operations officer S-Sale 3,048 $50.17 $153K Filing
2025-11-17 Kermisch Marc officer: chief technology & ai officer A-Grant/Award 3,718 $— $0 Filing
2025-08-05 Gawlick Rainer director P-Purchase 1,715 $43.79 $75K Filing
2025-08-04 Krishna Suresh officer: president and ceo P-Purchase 1,725 $43.51 $75K Filing
2025-05-23 Krishna Suresh officer: president and ceo A-Grant/Award 16,296 $— $0 Filing
2025-05-23 Gawlick Rainer director A-Grant/Award 3,939 $— $0 Filing
2025-05-23 Chand Sujeet director A-Grant/Award 3,939 $— $0 Filing

🏛️ Congressional Trades

3 records
Date Politician Chamber Type Amount Filing
2020-10-28 Greg Gianforte House Sell $100,001 - $250,000 Filing
2019-09-06 Greg Gianforte House Buy $100,001 - $250,000 Filing
2015-02-13 Thom Tillis Senate Sell $1,001 - $15,000 Filing

🏦 Top Institutional Holders

20 holders
Holder Shares Value Date Reported Filing
BlackRock, Inc. 3,677,875 $210M +58,871 2026-03-31 Filing
DISCIPLINED GROWTH INVESTORS INC /MN 2,497,355 $142M -176,374 2026-03-31 Filing
VANGUARD PORTFOLIO MANAGEMENT LLC 1,538,530 $88M +1,538,530 2026-03-31 Filing
DIMENSIONAL FUND ADVISORS LP 1,272,356 $73M -4,205 2026-03-31 Filing
STATE STREET CORP 1,092,000 $62M +3,794 2026-03-31 Filing
VANGUARD CAPITAL MANAGEMENT LLC 1,039,741 $59M +1,039,741 2026-03-31 Filing
AMERICAN CAPITAL MANAGEMENT INC 627,705 $36M -3,606 2026-03-31 Filing
GEODE CAPITAL MANAGEMENT, LLC 580,201 $33M +21,901 2026-03-31 Filing
RENAISSANCE TECHNOLOGIES LLC 520,251 $30M +26,700 2026-03-31 Filing
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 463,780 $26M +3,162 2026-03-31 Filing
FMR LLC 422,356 $24M +300,256 2026-03-31 Filing
PRUDENTIAL FINANCIAL INC 400,241 $23M +217,415 2026-03-31 Filing
Driehaus Capital Management LLC 369,136 $21M -13,019 2026-03-31 Filing
CHARLES SCHWAB INVESTMENT MANAGEMENT INC 360,203 $21M -2,810 2026-03-31 Filing
Nuveen, LLC 316,939 $18M -8,811 2026-03-31 Filing
S SQUARED TECHNOLOGY, LLC 296,103 $17M -10,000 2026-03-31 Filing
NORTHERN TRUST CORP 266,951 $15M +10,683 2026-03-31 Filing
NORDEA INVESTMENT MANAGEMENT AB 214,381 $12M -10,058 2026-03-31 Filing
JUPITER ASSET MANAGEMENT LTD 194,832 $11M 2026-03-31 Filing
PANAGORA ASSET MANAGEMENT INC 174,698 $10M -887 2026-03-31 Filing

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For informational purposes only. Not investment advice. Data sourced from SEC filings. Privacy Terms