Who owns Proto Labs, Inc.?
Institutional ownership of PRLB from SEC Form 13F filings across 188 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
188
13F holders
$1.17B
value, 2026 filers
61.5%
of shares outstanding (14.6M sh)
30
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30· % of fund = share of the manager's own book · % of co. = share of PRLB's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 3.9M | $317.6M | 0.0% | 16.4% | +5.9% |
| 2 | VANGUARD PORTFOLIO MANAGEMENT LLC | 1.6M | $130.4M | 0.0% | 6.7% | +4.0% |
| 3 | VANGUARD CAPITAL MANAGEMENT LLC | 1.1M | $86.0M | 0.0% | 4.4% | -49.3% |
| 4 | GEODE CAPITAL MANAGEMENT, LLC | 614,028 | $50.1M | 0.0% | 2.6% | +5.8% |
| 5 | PRUDENTIAL FINANCIAL INC | 457,810 | $37.3M | 0.0% | 1.9% | +14.4% |
| 6 | FMR LLC | 442,659 | $36.1M | 0.0% | 1.9% | +4.8% |
| 7 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 440,816 | $35.9M | 0.0% | 1.9% | -5.0% |
| 8 | Nuveen, LLC | 420,059 | $34.2M | 0.0% | 1.8% | +32.5% |
| 9 | GOLDMAN SACHS GROUP INC | 403,179 | $32.9M | 0.0% | 1.7% | +186.1% |
| 10 | Sixth Street Partners Management Company, L.P.NEW | 354,188 | $28.9M | 5.0% | 1.5% | new |
| 11 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 354,188 | $28.9M | 0.0% | 1.5% | -1.7% |
| 12 | MORGAN STANLEY | 314,778 | $25.7M | 0.0% | 1.3% | +7.2% |
| 13 | NORTHERN TRUST CORP | 284,562 | $23.2M | 0.0% | 1.2% | +6.6% |
| 14 | FIRST TRUST ADVISORS LP | 224,792 | $18.3M | 0.0% | 0.9% | +142.1% |
| 15 | JPMORGAN CHASE & CO | 224,717 | $17.9M | 0.0% | 0.9% | +156.6% |
| 16 | D. E. Shaw & Co., Inc. | 211,366 | $17.2M | 0.0% | 0.9% | -6.3% |
| 17 | NORDEA INVESTMENT MANAGEMENT AB | 203,883 | $16.5M | 0.0% | 0.9% | -4.9% |
| 18 | Public Sector Pension Investment Board | 191,290 | $15.6M | 0.0% | 0.8% | +81.2% |
| 19 | VANGUARD FIDUCIARY TRUST CO | 157,987 | $12.9M | 0.0% | 0.7% | +2.9% |
| 20 | Bank of New York Mellon Corp | 143,782 | $11.7M | 0.0% | 0.6% | +2.8% |
| 21 | JANE STREET GROUP, LLC | 143,527 | $11.7M | 0.0% | 0.6% | +150.2% |
| 22 | PRINCIPAL FINANCIAL GROUP INC | 135,136 | $11.0M | 0.0% | 0.6% | +1.1% |
| 23 | BANK OF AMERICA CORP /DE/ | 125,997 | $10.3M | 0.0% | 0.5% | -2.4% |
| 24 | Connor, Clark & Lunn Investment Management Ltd. | 120,473 | $9.8M | 0.0% | 0.5% | -4.0% |
| 25 | Invesco Ltd. | 108,421 | $8.8M | 0.0% | 0.5% | +22.4% |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.