156 tracked 13F filers disclose a position in NPK as of the latest SEC 13F filings, a combined $494.1M 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. | $125.4M | 915K | ▲+5.4% Added · +47K sh | Q1 2026 | |
| 2 | STATE STREET CORP | $58.3M | 466K | ▲+18% Added · +72K sh | Q2 2026 | |
| 3 | DIMENSIONAL FUND ADVISORS LP | $43.1M | 314K | ▼−1.8% Reduced · −6K sh | Q1 2026 | |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | $29.3M | 214K | →First observed position No prior filed position | Q1 2026 | |
| 5 | GEODE CAPITAL MANAGEMENT, LLC | $18.9M | 151K | ▲+19% Added · +24K sh | Q2 2026 | |
| 6 | RENAISSANCE TECHNOLOGIES LLC | $20.3M | 148K | ▼−8.9% Reduced · −15K sh | Q1 2026 | |
| 7 | J. Goldman & Co LP | $17.5M | 128K | ▲+20% Added · +22K sh | Q1 2026 | |
| 8 | VANGUARD PORTFOLIO MANAGEMENT LLC | $13.3M | 97K | →First observed position No prior filed position | Q1 2026 | |
| 9 | GAMCO INVESTORS, INC. ET AL | $12.1M | 88K | ▼−7.7% Reduced · −7K sh | Q1 2026 | |
| 10 | MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | $10.3M | 75K | ▲+40% Added · +22K sh | Q1 2026 | |
| 11 | MORGAN STANLEY | $9.6M | 70K | ▲+2.8% Added · +2K sh | Q1 2026 | |
| 12 | Bank of New York Mellon Corp | $8.2M | 60K | ▼−3.2% Reduced · −2K sh | Q1 2026 | |
| 13 | KENNEDY CAPITAL MANAGEMENT LLC | $7.9M | 58K | ▲+1.9% Added · +1K sh | Q1 2026 | |
| 14 | JPMORGAN CHASE & CO | $7.4M | 56K | ▲+148% Added · +33K sh | Q1 2026 | |
| 15 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $6.9M | 50K | ▲+1.4% Added · +675 sh | Q1 2026 | |
| 16 | NORTHERN TRUST CORP | $6.6M | 48K | ▲+4.9% Added · +2K sh | Q1 2026 | |
| 17 | BRANDES INVESTMENT PARTNERS, LP | $5.5M | 40K | ▼−43% Reduced · −30K sh | Q1 2026 | |
| 18 | MILLENNIUM MANAGEMENT LLC | $5.2M | 38K | ▼−30% Reduced · −16K sh | Q1 2026 | |
| 19 | VANGUARD FIDUCIARY TRUST CO | $4.8M | 35K | →First observed position No prior filed position | Q1 2026 | |
| 20 | FIRST TRUST ADVISORS LP | $4.4M | 32K | ▲+7.0% Added · +2K sh | Q1 2026 | |
| 21 | MARTIN & CO INC /TN/ | $3.6M | 29K | ▼~0% Reduced · −4 sh | Q2 2026 | |
| 22 | Atom Investors LP | $3.9M | 29K | ▲+95% Added · +14K sh | Q1 2026 | |
| 23 | PRINCIPAL FINANCIAL GROUP INC | $3.5M | 26K | ▲+2.0% Added · +497 sh | Q1 2026 | |
| 24 | GABELLI FUNDS LLC | $3.5M | 25K | ▼−1.2% Reduced · −300 sh | Q1 2026 | |
| 25 | GOLDMAN SACHS GROUP INC | $3.5M | 25K | ▼−40% Reduced · −17K 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, 6 funds opened a new position in NPK and 16 added to an existing one, while 17 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 |
|---|---|---|
| CHEVRON CORPCVX | 77 funds | $13.9B |
| MICROSOFT CORPMSFT | 75 funds | $140.4B |
| JPMORGAN CHASE & COJPM | 75 funds | $31.2B |
| NVIDIA CORPNVDA | 73 funds | $211.1B |
| BERKSHIRE HATHAWAY INC-CL BBRK/B | 73 funds | $21.1B |
| META PLATFORMS INC-CLASS AMETA | 72 funds | $60.3B |
| BANK OF AMERICA CORPBAC | 72 funds | $15.0B |
| APPLE INCAAPL | 71 funds | $158.0B |
| AMAZON.COM INCAMZN | 71 funds | $98.6B |
| BROADCOM INCAVGO | 71 funds | $82.4B |
| ALPHABET INC-CL AGOOGL | 71 funds | $73.1B |
| ELI LILLY & COLLY | 71 funds | $42.3B |
Ranked by how many of NPK's institutional holders also hold each name, a cross-fund conviction signal.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Mar 17, 2026 | Peuse David J | CFO & TREASURER | Sell (S) | 500 | $70K |
| Mar 11, 2026 | LIEBLE RANDY F | Director | Sell (S) | 2K | $348K |
| Aug 17, 2023 | Peuse David J | TREASURER | Sell (S) | 43 | $3K |
| Aug 17, 2023 | Peuse David J | TREASURER | Sell (S) | 150 | $11K |
| Mar 20, 2019 | QUINN PATRICK J | Director | Buy (P) | 100 | $11K |
| May 15, 2018 | CARDOZO RICHARD N | Director | Buy (P) | 200 | $20K |
| Mar 20, 2018 | QUINN PATRICK J | Director | Buy (P) | 100 | $10K |
| Mar 20, 2018 | CARDOZO RICHARD N | Director | Buy (P) | 200 | $20K |
| Nov 14, 2017 | CARDOZO RICHARD N | Director | Buy (P) | 100 | $11K |
| Nov 14, 2017 | CARDOZO RICHARD N | Director | Buy (P) | 100 | $12K |
| Aug 15, 2017 | CARDOZO RICHARD N | Director | Buy (P) | 200 | $22K |
| May 17, 2016 | CARDOZO RICHARD N | Director | Buy (P) | 25 | $2K |
Connected entities for NPK
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/NPK/capital-change-brief"
Use Arkolith's capital_change_brief for NPK. 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 NPK. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.