The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.
This stock page is the Follow view. The Build view lets your agent query PNR owners, fund changes, insider filings, and source links through REST or MCP.
curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://arkolith.com/api/v1/stocks/PNR"
Use Arkolith to show who owns PNR, which funds added or reduced it, and which SEC filings prove each claim.
| # | Fund | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | STATE STREET CORP | $762.7M | 8.8M | ▲+1.6% Added · +134K sh | Q1 2026 | |
| 2 | VANGUARD PORTFOLIO MANAGEMENT LLC | $663.8M | 7.6M | ▲New +7.6M sh | Q1 2026 | |
| 3 | Impax Asset Management Group plc | $149.4M | 1.7M | ▼−48% Reduced · −1.6M sh | Q1 2026 | |
| 4 | KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC | $131.9M | 1.5M | ▼−8.7% Reduced · −145K sh | Q1 2026 | |
| 5 | VANGUARD FIDUCIARY TRUST CO | $80.2M | 921K | ▲New +921K sh | Q1 2026 | |
| 6 | Gates Capital Management, Inc. | $78.6M | 903K | —Held | Q1 2026 | |
| 7 | Woodline Partners LP | $67.5M | 775K | ▲+133% Added · +442K sh | Q1 2026 | |
| 8 | PANAGORA ASSET MANAGEMENT INC | $52.6M | 603K | ▼−61% Reduced · −947K sh | Q1 2026 | |
| 9 | PARNASSUS INVESTMENTS, LLC | $47.7M | 547K | ▲+20% Added · +91K sh | Q1 2026 | |
| 10 | Vest Financial, LLC | $42.1M | 483K | ▲+7.1% Added · +32K sh | Q1 2026 | |
| 11 | CITADEL ADVISORS LLC | $38.4M | 441K | ▲+374% Added · +348K sh | Q1 2026 | |
| 12 | Man Group plc | $37.3M | 428K | ▼−48% Reduced · −393K sh | Q1 2026 | |
| 13 | Schonfeld Strategic Advisors LLC | $34.8M | 399K | ▲New +399K sh | Q1 2026 | |
| 14 | Eurizon Capital SGR S.p.A. | $34.5M | 397K | ▲New +397K sh | Q1 2026 | |
| 15 | Robeco Schweiz AG | $25.5M | 293K | ▼−30% Reduced · −127K sh | Q1 2026 | |
| 16 | AVIVA PLC | $25.4M | 292K | ▲+3.4% Added · +10K sh | Q1 2026 | |
| 17 | EVENTIDE ASSET MANAGEMENT, LLC | $22.5M | 260K | ▼−20% Reduced · −67K sh | Q1 2026 | |
| 18 | Vontobel Holding Ltd. | $22.4M | 257K | ▲+0.1% Added · +349 sh | Q1 2026 | |
| 19 | Zurcher Kantonalbank (Zurich Cantonalbank) | $21.4M | 246K | ▼−59% Reduced · −348K sh | Q1 2026 | |
| 20 | TUDOR INVESTMENT CORP ET AL | $20.3M | 233K | ▲13× Added · +214K sh | Q1 2026 | |
| 21 | SCOPUS ASSET MANAGEMENT, L.P. | $20.1M | 231K | ▲+49% Added · +76K sh | Q1 2026 | |
| 22 | MIROVA | $19.9M | 229K | ▲+217% Added · +157K sh | Q1 2026 | |
| 23 | Universal- Beteiligungs- und Servicegesellschaft mbH | $18.6M | 214K | ▲+27% Added · +45K sh | Q1 2026 | |
| 24 | Zimmer Partners, LP | $17.4M | 200K | ▲New +200K sh | Q1 2026 | |
| 25 | VOLORIDGE INVESTMENT MANAGEMENT, LLC | $16.8M | 193K | ▲New +193K 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.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Mar 3, 2026 | Hensley Jennifer M | SVP, CAO & Controller | Tax withholding (F) | 132 | $13K |
| Mar 3, 2026 | Brazis Nicholas J. | Executive Vice President, CFO | Tax withholding (F) | 159 | $16K |
| Mar 3, 2026 | Hausmann Heather M. | EVP, CIO and CISO | Tax withholding (F) | 213 | $21K |
| Mar 2, 2026 | Brazis Nicholas J. | Executive Vice President, CFO | Grant (A) | 3K | $0 |
| Mar 2, 2026 | Hausmann Heather M. | EVP, CIO and CISO | Grant (A) | 2K | $0 |
| Mar 2, 2026 | Hausmann Heather M. | EVP, CIO and CISO | Grant (A) | 4K | $0 |
| Mar 2, 2026 | Brazis Nicholas J. | Executive Vice President, CFO | Grant (A) | 9K | $0 |
| Mar 1, 2026 | Brazis Nicholas J. | Executive Vice President, CFO | Tax withholding (F) | 119 | $12K |
| Mar 1, 2026 | Hensley Jennifer M | SVP, CAO & Controller | Tax withholding (F) | 112 | $11K |
| Mar 1, 2026 | Hausmann Heather M. | EVP, CIO and CISO | Tax withholding (F) | 114 | $11K |
| Mar 1, 2026 | Hensley Jennifer M | SVP, CAO & Controller | Tax withholding (F) | 171 | $17K |
| Mar 1, 2026 | Hausmann Heather M. | EVP, CIO and CISO | Tax withholding (F) | 144 | $14K |
| Company | Co-held by | Combined value |
|---|---|---|
| MICROSOFT CORPMSFT | 236 funds | $252.6B |
| ALPHABET INC-CL AGOOGL | 234 funds | $157.2B |
| NVIDIA CORPNVDA | 233 funds | $354.3B |
| BROADCOM INCAVGO | 233 funds | $136.4B |
| APPLE INCAAPL | 230 funds | $270.7B |
| AMAZON.COM INCAMZN | 230 funds | $188.0B |
| META PLATFORMS INC-CLASS AMETA | 230 funds | $103.8B |
| ELI LILLY & COLLY | 230 funds | $68.4B |
| MASTERCARD INC - AMA | 230 funds | $50.0B |
| VISA INC-CLASS A SHARESV | 229 funds | $54.2B |
| APPLIED MATERIALS INCAMAT | 228 funds | $30.7B |
| COSTCO WHOLESALE CORPCOST | 227 funds | $37.2B |
Ranked by how many of PNR's institutional holders also hold each name, a cross-fund conviction signal. Via the MCP server (ticker.co_held).
13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for PNR. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes. Every panel above is one call to the Arkolith API & MCP server.