The largest holder of Carpenter Technology stock is BlackRock Advisors LLC, with 5.6 million shares (11.22% of the company), worth about $2.65 billion as of September 25, 2026. The 10 largest holders together own 45.1%.
In Q2 2026, 914 institutional holdings reports listed shares worth $28.90 billion.
Insiders reported 54 transactions in the last two years: 20 sales worth $58.53 million and no purchases. The newest one on file is from May 5, 2026 (Akins Marshall D, Officer).
Major holders as of September 25, 2026; quarterly totals from institutional holdings reports (latest Q2 2026); insider transactions on file through May 5, 2026.

2026Q2
| Holder | Shares | % of company | Value |
|---|---|---|---|
| BlackRock Advisors LLC | 5.6 million | 11.22% | $2.6B |
| Fidelity Management & Research Co. LLC | 4.2 million | 8.44% | $2.0B |
| Vanguard Capital Management LLC | 2.2 million | 4.36% | $1.0B |
| Vanguard Portfolio Management LLC | 2.1 million | 4.27% | $1.0B |
| State Street Corporation | 1.9 million | 3.85% | $909.0M |
| Invesco Advisers, Inc. | 1.6 million | 3.19% | $752.0M |
| AQR Capital Management LLC | 1.5 million | 2.94% | $695.0M |
| Jennison Associates LLC | 1.2 million | 2.41% | $568.0M |
| JPMorgan Investment Management, Inc. | 1.2 million | 2.39% | $564.0M |
| Geode Capital Management LLC | 1.0 million | 2.03% | $479.0M |
As of September 25, 2026.
| Quarter | Reports | Shares | Value |
|---|---|---|---|
| Q2 2026 | 914 | – | $28.9B |
| Q1 2026 | 729 | 47.2 million | $18.6B |
| Q4 2025 | 661 | 48.8 million | $15.4B |
| Q3 2025 | 618 | 49.1 million | $12.0B |
| Q2 2025 | 618 | 49.4 million | $13.7B |
| Q1 2025 | 514 | 50.1 million | $9.1B |
| Q4 2024 | 490 | 47.0 million | $8.0B |
| Q3 2024 | 443 | 47.4 million | $7.6B |
Shares and value held by institutions that file quarterly holdings reports (options not included).
| Insider | Date | Title | Transaction | Value |
|---|---|---|---|---|
| Akins Marshall D | May 5, 2026 | Officer | Sale at price 436.37 - 443.78 per share. | $5.2M |
| Hart Anastasios John | May 4, 2026 | Director | Sale at price 423.86 per share. | $317,897 |
| Hart Anastasios John | May 4, 2026 | Director | Conversion of Exercise of derivative security at price 45.12 per share. | $33,840 |
| Dee James D | Feb 24, 2026 | General Counsel | Sale at price 391.20 - 392.98 per share. | $6.2M |
| Karol Steven E | Feb 19, 2026 | Director | Sale at price 380.00 - 381.12 per share. | $2.5M |
| Socci Elizabeth A | Dec 15, 2025 | Officer | Stock Gift at price 0.00 per share. | – |
| Malloy Brian J | Dec 11, 2025 | President | Sale at price 300.25 - 310.20 per share. | $23.0M |
| Malloy Brian J | Dec 11, 2025 | President | Conversion of Exercise of derivative security at price 39.02 - 58.94 per share. | $3.2M |
| Malloy Brian J | Dec 9, 2025 | President | Stock Gift at price 0.00 per share. | – |
| Socci Elizabeth A | Nov 26, 2025 | Officer | Sale at price 321.25 per share. | $1.3M |
| Younessi Ramin | Nov 21, 2025 | Director | Sale at price 307.19 per share. | $399,347 |
| Younessi Ramin | Nov 21, 2025 | Director | Stock Gift at price 0.00 per share. | – |
Newest 12 of 54 insider transactions in the last two years.
BlackRock Advisors LLC, with 11.22% of the company (as of September 25, 2026). Next: Fidelity Management & Research Co. LLC (8.44%) and Vanguard Capital Management LLC (4.36%).
914 institutional holdings reports listed Carpenter Technology shares in Q2 2026 worth $28.90 billion.
In the last two years insiders reported 20 sales and no purchases (54 transactions in all); the newest on file is from May 5, 2026.