339 tracked 13F filers disclose a position in NPO as of the latest SEC 13F filings, a combined $4.6B 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 | BlackRock, Inc. | $789.2M | 3.1M | ▲+0.8% Added · +26K sh | Q1 2026 | |
| 2 | VANGUARD PORTFOLIO MANAGEMENT LLC | $333.3M | 1.3M | →First observed position No prior filed position | Q1 2026 | |
| 3 | FMR LLC | $286.9M | 1.1M | ▼−11% Reduced · −148K sh | Q1 2026 | |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | $236.9M | 945K | →First observed position No prior filed position | Q1 2026 | |
| 5 | STATE STREET CORP | $321.8M | 854K | ▲+5.1% Added · +42K sh | Q2 2026 | |
| 6 | DIMENSIONAL FUND ADVISORS LP | $189.4M | 756K | ▼−15% Reduced · −137K sh | Q1 2026 | |
| 7 | T. Rowe Price Investment Management, Inc. | Withheld | 641K | ▼−5.5% Reduced · −37K sh | Q1 2026 | |
| 8 | GEODE CAPITAL MANAGEMENT, LLC | $207.1M | 549K | ▲+4.3% Added · +23K sh | Q2 2026 | |
| 9 | WASATCH ADVISORS LP | $169.5M | 450K | ▼−51% Reduced · −460K sh | Q2 2026 | |
| 10 | PRICE T ROWE ASSOCIATES INC /MD/ | $112.2M | 448K | ▲+28% Added · +97K sh | Q1 2026 | |
| 11 | BROWN ADVISORY INC | $100.2M | 400K | ▼−22% Reduced · −114K sh | Q1 2026 | |
| 12 | CONGRESS ASSET MANAGEMENT CO | $99.9M | 398K | ▲+5.9% Added · +22K sh | Q1 2026 | |
| 13 | ALLIANCEBERNSTEIN L.P. | $66.2M | 309K | ▼−14% Reduced · −48K sh | Q1 2026 | |
| 14 | GAMCO INVESTORS, INC. ET AL | $77.0M | 307K | ▼−7.5% Reduced · −25K sh | Q1 2026 | |
| 15 | WESTFIELD CAPITAL MANAGEMENT CO LP | $108.0M | 287K | ▲New +287K sh | Q2 2026 | |
| 16 | GOLDMAN SACHS GROUP INC | $69.7M | 278K | ▲+5.1% Added · +14K sh | Q1 2026 | |
| 17 | Neuberger Berman Group LLC | $69.4M | 277K | ▼−17% Reduced · −56K sh | Q1 2026 | |
| 18 | Harvey Partners, LLC | $63.5M | 254K | ▲+1.7% Added · +4K sh | Q1 2026 | |
| 19 | NORTHERN TRUST CORP | $62.8M | 251K | ▲+3.2% Added · +8K sh | Q1 2026 | |
| 20 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $62.3M | 248K | ▲~0% Added · +26 sh | Q1 2026 | |
| 21 | MORGAN STANLEY | $50.9M | 203K | ▼−5.5% Reduced · −12K sh | Q1 2026 | |
| 22 | Bank of New York Mellon Corp | $46.5M | 186K | ▼−3.0% Reduced · −6K sh | Q1 2026 | |
| 23 | JANUS HENDERSON GROUP PLC | $43.9M | 175K | ▲+13% Added · +20K sh | Q1 2026 | |
| 24 | SEGALL BRYANT & HAMILL, LLC | $60.7M | 161K | ▼−0.1% Reduced · −240 sh | Q2 2026 | |
| 25 | Nuveen, LLC | $39.3M | 157K | ▼−8.2% Reduced · −14K sh | 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, 4 funds opened a new position in NPO and 19 added to an existing one, while 30 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 |
|---|---|---|
| MICROSOFT CORPMSFT | 180 funds | $216.7B |
| NVIDIA CORPNVDA | 178 funds | $318.3B |
| AMAZON.COM INCAMZN | 172 funds | $154.2B |
| ALPHABET INC-CL AGOOGL | 172 funds | $127.5B |
| META PLATFORMS INC-CLASS AMETA | 172 funds | $92.6B |
| APPLE INCAAPL | 170 funds | $243.8B |
| BROADCOM INCAVGO | 170 funds | $125.3B |
| ALPHABET INC-CL CGOOG | 169 funds | $107.7B |
| ELI LILLY & COLLY | 169 funds | $65.2B |
| JPMORGAN CHASE & COJPM | 169 funds | $50.4B |
| MASTERCARD INC - AMA | 167 funds | $43.3B |
| TESLA INCTSLA | 164 funds | $58.1B |
Ranked by how many of NPO's institutional holders also hold each name, a cross-fund conviction signal.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Mar 2, 2026 | Bower Steven R. | SVP, Controller and CAO | Sell (S) | 507 | $134K |
| Feb 25, 2026 | Humphrey John | Director | Sell (S) | 1K | $349K |
| Feb 24, 2026 | McLean Robert Savage | EVP, GC, and CAO | Sell (S) | 2K | $555K |
| Feb 23, 2026 | Brueck Felix M. | Director | Sell (S) | 1K | $285K |
| Feb 23, 2026 | Brueck Felix M. | Director | Sell (S) | 5K | $1.3M |
| Nov 6, 2025 | Vaillancourt Eric A. | President and CEO, Director | Sell (S) | 2K | $516K |
| Aug 20, 2025 | McLean Robert Savage | EVP, GC, and CAO | Sell (S) | 3K | $569K |
| Feb 25, 2025 | Bower Steven R. | SVP, Controller and CAO | Sell (S) | 997 | $199K |
| Nov 14, 2024 | Bower Steven R. | SVP, Controller and CAO | Sell (S) | 300 | $49K |
| Aug 9, 2024 | Bower Steven R. | SVP, Controller and CAO | Sell (S) | 2K | $232K |
| May 17, 2024 | Bower Steven R. | SVP, Controller and CAO | Sell (S) | 1K | $155K |
| Feb 29, 2024 | van der Graaf Kees | Director | Sell (S) | 1K | $192K |
Connected entities for NPO
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/NPO/capital-change-brief"
Use Arkolith's capital_change_brief for NPO. 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 NPO. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.