353 tracked 13F filers disclose a position in ZWS as of the latest SEC 13F filings, a combined $6.0B 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. | $1.1B | 24.0M | ▲+1.2% Added · +293K sh | Q1 2026 | |
| 2 | KAYNE ANDERSON RUDNICK INVESTMENT MANAGEMENT LLC | $486.5M | 10.9M | ▼−10% Reduced · −1.2M sh | Q1 2026 | |
| 3 | VANGUARD PORTFOLIO MANAGEMENT LLC | $397.1M | 8.9M | →First observed position No prior filed position | Q1 2026 | |
| 4 | VANGUARD CAPITAL MANAGEMENT LLC | $313.3M | 7.0M | →First observed position No prior filed position | Q1 2026 | |
| 5 | STATE STREET CORP | $252.7M | 5.6M | ▲+3.4% Added · +185K sh | Q1 2026 | |
| 6 | BANK OF AMERICA CORP /DE/ | $252.0M | 5.6M | ▼−6.5% Reduced · −391K sh | Q1 2026 | |
| 7 | GEODE CAPITAL MANAGEMENT, LLC | $163.5M | 3.6M | ▲+2.9% Added · +104K sh | Q1 2026 | |
| 8 | BECK MACK & OLIVER LLC | $156.8M | 3.5M | ▼−2.5% Reduced · −88K sh | Q1 2026 | |
| 9 | JANUS HENDERSON GROUP PLC | $148.1M | 3.3M | ▼−13% Reduced · −507K sh | Q1 2026 | |
| 10 | ALLIANCEBERNSTEIN L.P. | $148.6M | 3.2M | ▼−8.9% Reduced · −313K sh | Q1 2026 | |
| 11 | FIRST TRUST ADVISORS LP | $138.0M | 3.1M | ▼−6.8% Reduced · −226K sh | Q1 2026 | |
| 12 | PRICE T ROWE ASSOCIATES INC /MD/ | $130.8M | 2.9M | ▲+6.1% Added · +167K sh | Q1 2026 | |
| 13 | Impax Asset Management Group plc | $117.0M | 2.6M | ▼−11% Reduced · −313K sh | Q1 2026 | |
| 14 | DIMENSIONAL FUND ADVISORS LP | $114.9M | 2.6M | ▲+0.3% Added · +9K sh | Q1 2026 | |
| 15 | NORGES BANK | $111.3M | 2.4M | ▲+36% Added · +638K sh | Q4 2025 | |
| 16 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | $93.5M | 2.1M | ▲+0.5% Added · +11K sh | Q1 2026 | |
| 17 | WELLS FARGO & COMPANY/MN | $85.5M | 1.9M | ▼−17% Reduced · −387K sh | Q1 2026 | |
| 18 | GOLDMAN SACHS GROUP INC | $85.3M | 1.9M | ▲+110% Added · +995K sh | Q1 2026 | |
| 19 | MORGAN STANLEY | $80.6M | 1.8M | ▼−4.4% Reduced · −84K sh | Q1 2026 | |
| 20 | FULLER & THALER ASSET MANAGEMENT, INC. | $79.6M | 1.8M | ▲+6.0% Added · +101K sh | Q1 2026 | |
| 21 | NORTHERN TRUST CORP | $75.2M | 1.7M | ▼−0.1% Reduced · −1K sh | Q1 2026 | |
| 22 | RAYMOND JAMES FINANCIAL INC | $66.1M | 1.5M | ▼−15% Reduced · −261K sh | Q1 2026 | |
| 23 | MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | $60.4M | 1.3M | ▲+6.6% Added · +83K sh | Q1 2026 | |
| 24 | T. Rowe Price Investment Management, Inc. | Withheld | 1.3M | ▼−2.4% Reduced · −31K sh | Q1 2026 | |
| 25 | AMERIPRISE FINANCIAL INC | $55.9M | 1.2M | ▲+3.2% Added · +38K 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, 3 funds opened a new position in ZWS and 27 added to an existing one, while 19 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 | 188 funds | $274.1B |
| NVIDIA CORPNVDA | 185 funds | $387.4B |
| ELI LILLY & COLLY | 185 funds | $78.3B |
| AMAZON.COM INCAMZN | 184 funds | $201.4B |
| ALPHABET INC-CL AGOOGL | 184 funds | $167.2B |
| META PLATFORMS INC-CLASS AMETA | 184 funds | $108.7B |
| APPLE INCAAPL | 182 funds | $296.0B |
| BROADCOM INCAVGO | 182 funds | $156.2B |
| VISA INC-CLASS A SHARESV | 182 funds | $59.9B |
| ALPHABET INC-CL CGOOG | 180 funds | $122.6B |
| MASTERCARD INC - AMA | 180 funds | $57.9B |
| JPMORGAN CHASE & COJPM | 179 funds | $62.9B |
Ranked by how many of ZWS's institutional holders also hold each name, a cross-fund conviction signal.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Aug 4, 2026 | PETERSON MARK W | Chief Administrative Officer | Sell (S) | 25K | $1.3M |
| Feb 17, 2026 | JAHNKE TIMOTHY J | Director | Sell (S) | 25K | $1.3M |
| Feb 17, 2026 | LaValle Jeffrey J. | VP, General Counsel & Sec'y | Sell (S) | 447 | $23K |
| Feb 17, 2026 | PETERSON MARK W | Chief Administrative Officer | Sell (S) | 2K | $102K |
| Feb 17, 2026 | Troutman Michael | Chief Information Officer | Sell (S) | 448 | $23K |
| Feb 17, 2026 | Chhabra Sudhanshu | VP-Zurn Business Systems | Sell (S) | 2K | $103K |
| Feb 11, 2026 | Troutman Michael | Chief Information Officer | Sell (S) | 919 | $47K |
| Feb 11, 2026 | LaValle Jeffrey J. | VP, General Counsel & Sec'y | Sell (S) | 946 | $49K |
| Feb 11, 2026 | Pauli David J | Chief Financial Officer | Sell (S) | 812 | $42K |
| Feb 11, 2026 | PETERSON MARK W | Chief Administrative Officer | Sell (S) | 4K | $195K |
| Feb 11, 2026 | Schoon Jeffrey A | President | Sell (S) | 1K | $66K |
| Feb 10, 2026 | Schoon Jeffrey A | President | Sell (S) | 12K | $623K |
Connected entities for ZWS
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/ZWS/capital-change-brief"
Use Arkolith's capital_change_brief for ZWS. 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 ZWS. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.