Mar 31, 2026 filings. Quarterly 13F reports arrive up to 45 days after quarter end; this register is filed through May 29, 2026.
194 institutional managers reported holding PSIX for the quarter ended Mar 31, 2026. Together they hold about 32% of shares outstanding; the top 10 hold 17%. 49 opened new positions; 47 closed out. Complete ranked register from SEC 13F filings.
| manager | shares | % out | value (Mar 31, 2026 close) | change | held since |
|---|---|---|---|---|---|
| BlackRock | 715.6k | 3.10% | $43.6M | added +6.2% | 2024 Q4 |
| Vanguard Group | 506.9k | 2.20% | $30.9M | trimmed -6.1% | 2025 Q1 |
| Arrowstreet Capital | 466.2k | 2.02% | $28.4M | added +5.2% | 2025 Q2 |
| Situational Awareness Partners LP (focused) | 432.3k | 1.87% | $26.3M | opened | 2026 Q1 |
| Situational Awareness LP (focused) | 432.3k | 1.87% | $26.3M | unchanged | 2025 Q4 |
| Allspring Global Investments Holdings, LLC | 301.2k | 1.31% | $18.3M | trimmed -8.4% | 2025 Q3 |
| Dimensional Fund Advisors | 283.2k | 1.23% | $17.2M | added +40.3% | 2025 Q1 |
| Barclays PLC | 239.0k | 1.04% | $14.6M | added +789.5% | 2025 Q2 |
| Busey Bank | 220.0k | 0.95% | $13.4M | unchanged | 2025 Q3 |
| SG Americas Securities, LLC | 216.4k | 0.94% | $13.2M | added +12036.6% | 2025 Q3 |
| Geode Capital | 196.3k | 0.85% | $12.0M | added +2.4% | 2025 Q1 |
| State Street | 170.7k | 0.74% | $10.4M | added +3.5% | 2025 Q1 |
| Morgan Stanley | 167.0k | 0.72% | $10.2M | trimmed -4.4% | 2024 Q4 |
| LPL Financial LLC | 156.2k | 0.68% | $9.5M | added +80.4% | 2025 Q1 |
| Danske Bank A/S | 121.7k | 0.53% | $7.4M | opened | 2026 Q1 |
| Navellier & Associates INC | 107.5k | 0.47% | $6.5M | added +5.7% | 2025 Q1 |
| Hel Ved Capital Management LTD | 100.9k | 0.44% | $6.1M | trimmed -6.7% | 2025 Q3 |
| Millennium Management | 97.9k | 0.42% | $6.0M | added +3.4% | 2025 Q1 |
| Man Group | 88.7k | 0.38% | $5.4M | added +229.8% | 2025 Q1 |
| First Trust Advisors LP | 86.1k | 0.37% | $5.2M | added +6.2% | 2025 Q4 |
| Northern Trust | 80.1k | 0.35% | $4.9M | added +2.2% | 2025 Q1 |
| OnyxPoint Global Management LP (focused) | 77.9k | 0.34% | $4.7M | opened | 2026 Q1 |
| Charles Schwab Investment Management | 74.8k | 0.32% | $4.6M | unchanged | 2025 Q1 |
| Voloridge Investment Management | 72.6k | 0.32% | $4.4M | opened | 2026 Q1 |
| Valiant Capital Management, L.p. (focused) | 69.4k | 0.30% | $4.2M | added +71.7% | 2024 Q4 |
| Hussman Strategic Advisors, INC. | 63.0k | 0.27% | $3.8M | added +100% | 2025 Q4 |
| Cvfg LLC | 60.2k | 0.26% | $3.7M | opened | 2026 Q1 |
| SEI Investments CO | 57.5k | 0.25% | $3.5M | trimmed -8% | 2025 Q2 |
| Antipodes Partners LTD | 52.9k | 0.23% | $3.2M | trimmed -76.9% | 2025 Q4 |
| Capital Fund Management S.a. | 47.3k | 0.20% | $2.9M | added +218.4% | 2025 Q4 |
| Two Sigma | 46.4k | 0.20% | $2.8M | trimmed -23.7% | 2025 Q1 |
| Goldman Sachs | 44.3k | 0.19% | $2.7M | trimmed -56.4% | 2025 Q1 |
| Cambridge Investment Research Advisors, INC. | 44.3k | 0.19% | $2.7M | added +5.4% | 2025 Q2 |
| Wells Fargo & COMPANY/MN | 43.9k | 0.19% | $2.7M | trimmed -41.7% | 2024 Q4 |
| Meros Investment Management, LP | 39.3k | 0.17% | $2.4M | opened | 2026 Q1 |
| Franklin Resources | 39.1k | 0.17% | $2.4M | added +26.6% | 2025 Q3 |
| Victory Capital Management INC | 37.3k | 0.16% | $2.3M | trimmed -50.8% | 2025 Q3 |
| BNY Mellon | 34.7k | 0.15% | $2.1M | unchanged | 2025 Q2 |
| Cetera Investment Advisers | 33.5k | 0.14% | $2.0M | added +55% | 2025 Q1 |
| AllianceBernstein | 33.4k | 0.14% | $2.0M | added +21.9% | 2025 Q2 |
| Raymond James Financial INC | 32.9k | 0.14% | $2.0M | trimmed -70% | 2025 Q1 |
| Jane Street | 32.8k | 0.14% | $2.0M | opened | 2025 Q2 |
| Bridge City Capital, LLC | 32.8k | 0.14% | $2.0M | opened | 2026 Q1 |
| Bank OF America CORP /DE/ | 31.5k | 0.14% | $1.9M | added +183.9% | 2024 Q4 |
| Tidal Investments LLC | 29.4k | 0.13% | $1.8M | added +72.8% | 2025 Q3 |
| Burney CO/ | 29.0k | 0.13% | $1.8M | trimmed -4.3% | 2025 Q1 |
| AQR Capital | 28.1k | 0.12% | $1.7M | trimmed -5.7% | 2025 Q3 |
| Citadel Advisors | 28.0k | 0.12% | $1.7M | added +71.2% | 2024 Q4 |
| Ameriprise Financial INC | 27.0k | 0.12% | $1.6M | trimmed -29.1% | 2025 Q3 |
| Federated Hermes, INC. | 26.8k | 0.12% | $1.6M | added +10387.9% | 2025 Q3 |
Largest 50 of 194 shown; the full ranked, searchable register is at boothcheck.com/holders/PSIX. Related filers are grouped using the filings' own included-manager declarations. Historically, several managers opening new positions in the same quarter said almost nothing about the quarter that followed (59,118 cases since 2013). A filed record, not a forecast. Nothing here is investment advice.