The largest holder of Flex stock is BlackRock Advisors LLC, with 29.9 million shares (8.11% of the company), worth about $3.27 billion as of September 25, 2026. The 10 largest holders together own 50.0%.
In Q2 2026, 1,174 institutional holdings reports listed shares worth $56.70 billion.
Insiders reported 114 transactions in the last two years: 59 sales worth $162.22 million and no purchases. The newest one on file is from August 18, 2026 (Hartung Michael P, Officer).
Major holders as of September 25, 2026; quarterly totals from institutional holdings reports (latest Q2 2026); insider transactions on file through August 18, 2026.

2026Q2
| Holder | Shares | % of company | Value |
|---|---|---|---|
| BlackRock Advisors LLC | 29.9 million | 8.11% | $3.3B |
| Vanguard Capital Management LLC | 24.0 million | 6.50% | $2.6B |
| PRIMECAP Management Co. | 23.4 million | 6.32% | $2.6B |
| Fidelity Management & Research Co. LLC | 19.5 million | 5.29% | $2.1B |
| Vanguard Portfolio Management LLC | 19.0 million | 5.14% | $2.1B |
| Wellington Trust Co., NA | 18.0 million | 4.87% | $2.0B |
| State Street Corporation | 17.0 million | 4.60% | $1.9B |
| Janus Henderson Investors US LLC | 14.1 million | 3.81% | $1.5B |
| Geode Capital Management LLC | 10.3 million | 2.78% | $1.1B |
| BlackRock Life Ltd. | 9.5 million | 2.58% | $1.0B |
As of September 25, 2026.
| Quarter | Reports | Shares | Value |
|---|---|---|---|
| Q2 2026 | 1,174 | – | $56.7B |
| Q1 2026 | 819 | 353.0 million | $23.1B |
| Q4 2025 | 805 | 366.0 million | $22.1B |
| Q3 2025 | 740 | 359.0 million | $20.8B |
| Q2 2025 | 688 | 379.0 million | $18.9B |
| Q1 2025 | 613 | 381.0 million | $12.6B |
| Q4 2024 | 603 | 394.0 million | $15.1B |
| Q3 2024 | 533 | 397.0 million | $13.3B |
Shares and value held by institutions that file quarterly holdings reports (options not included).
| Insider | Date | Title | Transaction | Value |
|---|---|---|---|---|
| Hartung Michael P | Aug 18, 2026 | Officer | Sale at price 119.79 - 123.25 per share. | $332,352 |
| Stevens Charles K Iii | Aug 5, 2026 | Director | Stock Award(Grant) at price 0.00 per share. | – |
| Mcsweeney Erin L | Aug 5, 2026 | Director | Stock Award(Grant) at price 0.00 per share. | – |
| Sylvester Maryrose T | Aug 5, 2026 | Director | Stock Award(Grant) at price 0.00 per share. | – |
| Harris John D. Ii | Aug 5, 2026 | Director | Stock Award(Grant) at price 0.00 per share. | – |
| Ward Patrick J | Aug 5, 2026 | Director | Stock Award(Grant) at price 0.00 per share. | – |
| Tan Lay Koon | Aug 5, 2026 | Director | Stock Award(Grant) at price 0.00 per share. | – |
| Hurlston Michael E. | Aug 5, 2026 | Director | Stock Award(Grant) at price 0.00 per share. | – |
| Watkins William D | Aug 5, 2026 | Director | Stock Award(Grant) at price 0.00 per share. | – |
| Tan Lay Koon | Jul 15, 2026 | Director | Stock Award(Grant) at price 0.00 per share. | – |
| Hurlston Michael E. | Jul 15, 2026 | Director | Stock Award(Grant) at price 0.00 per share. | – |
| Watkins William D | Jul 15, 2026 | Director | Stock Award(Grant) at price 0.00 per share. | – |
Newest 12 of 114 insider transactions in the last two years.
BlackRock Advisors LLC, with 8.11% of the company (as of September 25, 2026). Next: Vanguard Capital Management LLC (6.50%) and PRIMECAP Management Co. (6.32%).
1,174 institutional holdings reports listed Flex shares in Q2 2026 worth $56.70 billion.
In the last two years insiders reported 59 sales and no purchases (114 transactions in all); the newest on file is from August 18, 2026.