Perimeter (PRM) Superinvestor holders
11 of the superinvestors we track hold Perimeter (PRM) in their latest 13F filings, $195M in total.
Summary
The largest holder is PRIMECAP Management (PRIMECAP Management Co), with $53M, 0.0% of the portfolio.
In their latest quarter: 2 opened a new position, 1 added, 6 trimmed.
Who holds it
Each investor's latest 13F filing, largest stake first. What a 13F shows.
| Investor | Last change | Shares | Value | % of portfolio | Filed for |
|---|---|---|---|---|---|
| PRIMECAP Management PRIMECAP Management Co |
Trimmed | 1,496,851 | $53M | 0.0% | Q2 2026 |
| Arrowstreet Capital | Trimmed | 1,238,374 | $44M | 0.0% | Q2 2026 |
| Conestoga Conestoga Capital Advisors |
Added | 1,081,985 | $28M | 0.9% | Q3 2026 |
| Alger Fred Alger Management |
New position | 502,835 | $18M | 0.1% | Q2 2026 |
| Cliff Asness AQR Capital Management |
Trimmed | 490,364 | $17M | 0.0% | Q2 2026 |
| Wallace Weitz Weitz Investment Management |
Trimmed | 450,817 | $16M | 1.1% | Q2 2026 |
| Chuck Akre Akre Capital Management |
Held | 250,000 | $9M | 0.2% | Q2 2026 |
| Jim Simons Renaissance Technologies |
Trimmed | 126,231 | $5M | 0.0% | Q2 2026 |
| Teewinot Capital Teewinot Capital Advisers |
Held | 102,640 | $4M | 0.3% | Q2 2026 |
| Paul Marshall Marshall Wace |
New position | 10,910 | $388,942 | 0.0% | Q2 2026 |
| Joel Greenblatt Gotham Asset Management |
Trimmed | 8,079 | $288,016 | 0.0% | Q2 2026 |
Holders by quarter
| Quarter | Superinvestors holding it |
|---|---|
| Q2 2026 | 12 |
| Q1 2026 | 14 |
| Q4 2025 | 13 |
| Q3 2025 | 9 |
| Q2 2025 | 11 |
| Q1 2025 | 16 |
| Q4 2024 | 14 |
Questions about Perimeter
Which superinvestors own Perimeter?
11 of the superinvestors we track hold Perimeter (PRM) in their latest 13F filings, $195M in total. PRIMECAP Management, Arrowstreet Capital, Conestoga, Alger, Cliff Asness, Wallace Weitz.
Who is the largest superinvestor holder of PRM?
The largest holder is PRIMECAP Management (PRIMECAP Management Co), with $53M, 0.0% of the portfolio.
From Perimeter's annual reports filed with the SEC (XBRL data), standardised by Investingly. Information only, not investment advice.