291 tracked 13F filers disclose a position in CSTM as of the latest SEC 13F filings, a combined $2.7B 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. | $318.7M | 13.0M | ▼−5.6% Reduced · −766K sh | Q1 2026 | |
| 2 | Bpifrance SA | $267.8M | 8.4M | ▼−33% Reduced · −4.2M sh | Q2 2026 | |
| 3 | FMR LLC | $171.1M | 7.0M | ▼−34% Reduced · −3.6M sh | Q1 2026 | |
| 4 | T. Rowe Price Investment Management, Inc. | Withheld | 4.0M | ▼−8.6% Reduced · −374K sh | Q1 2026 | |
| 5 | VANGUARD PORTFOLIO MANAGEMENT LLC | $96.5M | 3.9M | →First observed position No prior filed position | Q1 2026 | |
| 6 | MILLENNIUM MANAGEMENT LLC | $85.3M | 3.5M | ▼−45% Reduced · −2.8M sh | Q1 2026 | |
| 7 | D. E. Shaw & Co., Inc. | $79.5M | 3.2M | ▲+5.9% Added · +179K sh | Q1 2026 | |
| 8 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | $79.3M | 3.2M | ▲+621% Added · +2.8M sh | Q1 2026 | |
| 9 | MORGAN STANLEY | $78.6M | 3.2M | ▼−14% Reduced · −532K sh | Q1 2026 | |
| 10 | Nuveen, LLC | $69.5M | 2.8M | ▼−0.5% Reduced · −13K sh | Q1 2026 | |
| 11 | STATE STREET CORP | $67.9M | 2.8M | ▲+3.9% Added · +103K sh | Q1 2026 | |
| 12 | Encompass Capital Advisors LLC | $60.9M | 2.5M | ▼−47% Reduced · −2.2M sh | Q1 2026 | |
| 13 | ALLIANCEBERNSTEIN L.P. | $43.7M | 2.3M | ▲17× Added · +2.2M sh | Q1 2026 | |
| 14 | AMERICAN CENTURY COMPANIES INC | $51.3M | 2.1M | ▲+15% Added · +274K sh | Q1 2026 | |
| 15 | AQR CAPITAL MANAGEMENT LLC | $51.0M | 2.1M | ▲+17% Added · +308K sh | Q1 2026 | |
| 16 | HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND | $50.5M | 2.1M | ▲+894% Added · +1.8M sh | Q1 2026 | |
| 17 | JPMORGAN CHASE & CO | $47.3M | 2.1M | ▼−1.8% Reduced · −37K sh | Q1 2026 | |
| 18 | BRIGHTLINE CAPITAL MANAGEMENT, LLC | $45.4M | 1.8M | ▲+0.3% Added · +5K sh | Q1 2026 | |
| 19 | SCOPUS ASSET MANAGEMENT, L.P. | $41.3M | 1.7M | ▼−2.9% Reduced · −50K sh | Q1 2026 | |
| 20 | GEODE CAPITAL MANAGEMENT, LLC | $41.0M | 1.7M | ▲+2.3% Added · +37K sh | Q1 2026 | |
| 21 | WESTWOOD HOLDINGS GROUP INC | $34.4M | 1.4M | ▲New +1.4M sh | Q1 2026 | |
| 22 | GOLDMAN SACHS GROUP INC | $33.7M | 1.4M | ▲+0.3% Added · +4K sh | Q1 2026 | |
| 23 | Kinetic Partners Management, LP | $32.3M | 1.3M | ▲New +1.3M sh | Q1 2026 | |
| 24 | Point72 Asset Management, L.P. | $24.7M | 1.0M | ▲+216% Added · +687K sh | Q1 2026 | |
| 25 | NORTHERN TRUST CORP | $24.0M | 978K | ▲+3.8% Added · +36K 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, 10 funds opened a new position in CSTM and 27 added to an existing one, while 22 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 |
|---|---|---|
| AMAZON.COM INCAMZN | 156 funds | $175.3B |
| MICROSOFT CORPMSFT | 155 funds | $234.2B |
| NVIDIA CORPNVDA | 149 funds | $341.4B |
| APPLE INCAAPL | 149 funds | $255.1B |
| ALPHABET INC-CL AGOOGL | 148 funds | $143.8B |
| BROADCOM INCAVGO | 148 funds | $141.3B |
| ALPHABET INC-CL CGOOG | 148 funds | $102.5B |
| META PLATFORMS INC-CLASS AMETA | 148 funds | $97.7B |
| VISA INC-CLASS A SHARESV | 145 funds | $51.2B |
| JPMORGAN CHASE & COJPM | 143 funds | $55.7B |
| MICRON TECHNOLOGY INCMU | 143 funds | $28.6B |
| ELI LILLY & COLLY | 142 funds | $67.8B |
Ranked by how many of CSTM's institutional holders also hold each name, a cross-fund conviction signal.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Aug 3, 2026 | Deslarzes Jean-Christophe | Director | Buy (P) | 1K | $41K |
| Jun 4, 2026 | Ormerod John | Director | Sell (S) | 8K | $280K |
| May 28, 2026 | Becker Marcus | SVP CPO | Sell (S) | 10K | $363K |
| May 14, 2026 | Soultz Bradley Lee | Director | Buy (P) | 3K | $85K |
| May 14, 2026 | Jarrett Martin | SVP Chief Innovation Officer | Sell (S) | 5K | $158K |
| May 12, 2026 | Piquier Ludovic | SVP Manuf Excellence & CTO | Sell (S) | 1K | $34K |
| May 11, 2026 | Brun Nicolas | SVP PA, Comm & Sust | Sell (S) | 27K | $902K |
| May 8, 2026 | Corre Stephane | President, AS&I | Sell (S) | 5K | $168K |
| May 5, 2026 | Brandjes Michiel | Director | Sell (S) | 10K | $325K |
| May 5, 2026 | Guo Jack Q. | EVP & CFO | Sell (S) | 25K | $822K |
| May 1, 2026 | Deslarzes Jean-Christophe | Director | Buy (P) | 1K | $41K |
| May 1, 2026 | Corre Stephane | President, AS&I | Sell (S) | 5K | $160K |
Connected entities for CSTM
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/CSTM/capital-change-brief"
Use Arkolith's capital_change_brief for CSTM. 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 CSTM. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.