PRLB Institutional Ownership
Top institutional (13F) holders of PRLB and 5%+ (13D/G) positions, sourced from SEC EDGAR.
Institutional owners
43
Institutional value
$1.17B
Top holder
BlackRock, Inc.
Top holders
| Holder | Stake | Filed | Value |
|---|---|---|---|
| BlackRock, Inc.holding company | 16.3% | Aug 7, 2026 | $317.58M |
| Vanguard Portfolio Managementinvestment advisor | 6.7% | Aug 13, 2026 | $130.4M |
| Dimensional Fund Advisors LPinvestment advisor | 4.3% | Nov 4, 2026 | $97.6M |
| STATE STREET CORPORATIONholding company | 4.8% | Sep 22, 2026 | $92.8M |
| Vanguard Capital Managementinvestment advisor | 4.4% | Aug 13, 2026 | $85.96M |
| GEODE CAPITAL MANAGEMENT, LLCinvestment advisor | 2.8% | Nov 6, 2026 | $64.51M |
| RENAISSANCE TECHNOLOGIES LLCinvestment advisor | 2.0% | Aug 13, 2026 | $38.25M |
| FMR LLCinvestment advisor | 1.9% | Aug 13, 2026 | $36.08M |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIPinvestment advisor | 1.8% | Aug 13, 2026 | $35.93M |
| GOLDMAN SACHS GROUP INCinvestment advisor | 1.7% | Aug 14, 2026 | $32.86M |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INCinvestment advisor | 1.5% | Aug 14, 2026 | $28.87M |
| MORGAN STANLEYholding company | 1.3% | Aug 13, 2026 | $25.66M |
| NORTHERN TRUST CORPinvestment advisor | 1.2% | Aug 13, 2026 | $23.19M |
| JPMORGAN CHASE & COholding company | 0.9% | Aug 12, 2026 | $17.93M |
| D. E. Shaw & Co., Inc.investment advisor | 0.9% | Aug 14, 2026 | $17.23M |
| Bank of New York Mellon Corpholding company | 0.6% | Nov 5, 2026 | $13.43M |
| JANE STREET GROUP, LLCholding company | 0.6% | Aug 14, 2026 | $12.26M |
| CITIGROUP INCinvestment advisor | 0.5% | Nov 4, 2026 | $11.35M |
| BANK OF AMERICA CORP /DE/holding company | 0.5% | Aug 14, 2026 | $10.27M |
| Invesco Ltd.holding company | 0.5% | Aug 14, 2026 | $8.84M |
| CITADEL ADVISORS LLCinvestment advisor | 0.4% | Sep 1, 2026 | $8.06M |
| UBS Group AGbank | 0.4% | Aug 13, 2026 | $7.93M |
| MILLENNIUM MANAGEMENT LLCinvestment advisor | 0.4% | Aug 14, 2026 | $7.58M |
| Ameriprise Financial, Inc.holding company | 0.3% | Aug 14, 2026 | $5.69M |
| FRANKLIN RESOURCES INCinvestment advisor | 0.2% | Aug 13, 2026 | $4.49M |
5%+ holders
Current stakes of 5% or more from Schedule 13D and 13G filings. A joint filing shows once, under its lead filer.
| Holder | Form | Stake | Filed |
|---|---|---|---|
| BlackRock, Inc.holding company | SC 13G/A | 15.0% | Jul 18, 2025 |
| DISCIPLINED GROWTH INVESTORS INC /MNinvestment advisor | SC 13G/A | 10.0% | Aug 14, 2026 |
| Vanguard Portfolio Managementinvestment advisor | SC 13G | 6.5% | Apr 29, 2026 |
| Vanguard Capital Managementinvestment advisor | SC 13G | 5.1% | Apr 30, 2026 |
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Source: SEC EDGAR Schedule 13D / 13G and 13F filings.