34 tracked 13F filers disclose a position in PPSI as of the latest SEC 13F filings, a combined $3.6M in reported value. Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | VANGUARD CAPITAL MANAGEMENT LLC | $637K | 196K | →First observed position No prior filed position | Q1 2026 | |
| 2 | Spectrum Investment Advisors, Inc. | $542K | 138K | —Held | Q2 2026 | |
| 3 | GEODE CAPITAL MANAGEMENT, LLC | $460K | 117K | ▲+1.1% Added · +1K sh | Q2 2026 | |
| 4 | DIMENSIONAL FUND ADVISORS LP | $251K | 77K | ▲+7.7% Added · +6K sh | Q1 2026 | |
| 5 | Squarepoint Ops LLC | $220K | 68K | ▲New +68K sh | Q1 2026 | |
| 6 | RENAISSANCE TECHNOLOGIES LLC | $209K | 64K | ▲+85% Added · +30K sh | Q1 2026 | |
| 7 | SUSQUEHANNA INTERNATIONAL GROUP, LLP | $181K | 56K | ▲+213% Added · +38K sh | Q1 2026 | |
| 8 | VANGUARD FIDUCIARY TRUST CO | $116K | 36K | →First observed position No prior filed position | Q1 2026 | |
| 9 | STATE STREET CORP | $134K | 34K | —Held | Q2 2026 | |
| 10 | BlackRock, Inc. | $93K | 29K | —Held | Q1 2026 | |
| 11 | NewEdge Advisors, LLC | $86K | 22K | —Held | Q2 2026 | |
| 12 | JAMES INVESTMENT RESEARCH, INC. | $86K | 22K | —Held | Q2 2026 | |
| 13 | XTX Topco Ltd | $71K | 22K | ▲+59% Added · +8K sh | Q1 2026 | |
| 14 | Sage Capital Management, LLC | $83K | 21K | —Held | Q2 2026 | |
| 15 | Stratos Wealth Advisors, LLC | $82K | 21K | ▲+20% Added · +4K sh | Q2 2026 | |
| 16 | Legacy Advisors, LLC | $63K | 16K | —Held | Q2 2026 | |
| 17 | MARSHALL WACE, LLP | $50K | 15K | ▲New +15K sh | Q1 2026 | |
| 18 | NORTHERN TRUST CORP | $47K | 14K | ▼−36% Reduced · −8K sh | Q1 2026 | |
| 19 | SMITH, MOORE & CO. | $51K | 13K | —Held | Q2 2026 | |
| 20 | Pekin Hardy Strauss, Inc. | $39K | 10K | ▲New +10K sh | Q2 2026 | |
| 21 | Rockefeller Capital Management L.P. | $33K | 10K | ▲New +10K sh | Q1 2026 | |
| 22 | GROUP ONE TRADING LLC | $29K | 9K | ▲+578% Added · +8K sh | Q1 2026 | |
| 23 | MORGAN STANLEY | $25K | 8K | ▼−7.3% Reduced · −609 sh | Q1 2026 | |
| 24 | Tower Research Capital LLC (TRC) | $6K | 2K | ▲+396% Added · +2K sh | Q1 2026 | |
| 25 | OSAIC HOLDINGS, INC. | $4K | 1K | —Held | Q1 2026 |
Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.
Last quarter, 5 funds opened a new position in PPSI and 4 added to an existing one, while 1 reduced and 0 exited entirely — based on 13F filings from active, signal-eligible managers (passive index funds and other mechanical holders are excluded from this count).
| Company | Co-held by | Combined value |
|---|---|---|
| NVIDIA CORPNVDA | 15 funds | $4.4B |
| APPLE INCAAPL | 15 funds | $4.2B |
| ALPHABET INC-CL AGOOGL | 15 funds | $2.1B |
| TESLA INCTSLA | 15 funds | $1.7B |
| ELI LILLY & COLLY | 15 funds | $975.2M |
| BERKSHIRE HATHAWAY INC-CL BBRK/B | 15 funds | $611.0M |
| COSTCO WHOLESALE CORPCOST | 15 funds | $563.3M |
| ABBOTT LABORATORIESABT | 15 funds | $407.5M |
| JPMORGAN CHASE & COJPM | 15 funds | $389.6M |
| AMAZON.COM INCAMZN | 14 funds | $2.8B |
| MICROSOFT CORPMSFT | 14 funds | $2.6B |
| CHEVRON CORPCVX | 14 funds | $1.5B |
Ranked by how many of PPSI's institutional holders also hold each name, a cross-fund conviction signal.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Nov 18, 2025 | MAZUREK NATHAN | Chief Executive Officer, Director, 10% Owner | Buy (P) | 10K | $34K |
| Dec 20, 2024 | Michalec Wojciech | Chief Financial Officer | Sell (S) | 13K | $53K |
| Dec 19, 2024 | Michalec Wojciech | Chief Financial Officer | Sell (S) | 2K | $8K |
| Dec 4, 2024 | Ross Ian | Director | Sell (S) | 1K | $6K |
| Sep 12, 2023 | MAZUREK NATHAN | Chief Executive Officer, Director, 10% Owner | Buy (P) | 10K | $61K |
| Dec 13, 2022 | MAZUREK NATHAN | Chief Executive Officer, Director, 10% Owner | Buy (P) | 10K | $27K |
| Jun 13, 2022 | MAZUREK NATHAN | Chief Executive Officer, Director, 10% Owner | Buy (P) | 3K | $8K |
| Aug 18, 2021 | MAZUREK NATHAN | Chief Executive Officer, Director, 10% Owner | Buy (P) | 5K | $18K |
| Jun 2, 2021 | MAZUREK NATHAN | Chief Executive Officer, Director, 10% Owner | Buy (P) | 1K | $4K |
| Aug 24, 2020 | MAZUREK NATHAN | Chief Executive Officer, Director, 10% Owner | Buy (P) | 1K | $1K |
| Aug 20, 2020 | MAZUREK NATHAN | Chief Executive Officer, Director, 10% Owner | Buy (P) | 1K | $1K |
| Jun 18, 2020 | MAZUREK NATHAN | Chief Executive Officer, Director, 10% Owner | Buy (P) | 4K | $5K |
Connected entities for PPSI
This stock page is the public Follow view. For one current, evidence-backed answer, use capital_change_brief through REST or MCP. It compares tracked 13F changes with qualifying Form 4 activity and cites the SEC evidence.
curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://arkolith.com/api/v1/stocks/PPSI/capital-change-brief"
Use Arkolith's capital_change_brief for PPSI. Tell me what changed, whether insider activity corroborates it, and cite the SEC evidence.
13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for PPSI. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.