The largest holder of Insulet stock is BlackRock Advisors LLC, with 5.4 million shares (7.70% of the company), worth about $806.00 million as of September 25, 2026. The 10 largest holders together own 39.5%.
In Q2 2026, 764 institutional holdings reports listed shares worth $11.00 billion.
Insiders reported 69 transactions in the last two years: 14 sales worth $13.58 million and 2 purchases. The newest one on file is from April 1, 2026 (Panos Michael, Officer).
Major holders as of September 25, 2026; quarterly totals from institutional holdings reports (latest Q2 2026); insider transactions on file through April 1, 2026.

2026Q2
| Holder | Shares | % of company | Value |
|---|---|---|---|
| BlackRock Advisors LLC | 5.4 million | 7.70% | $806.0M |
| Vanguard Capital Management LLC | 4.5 million | 6.43% | $673.0M |
| State Street Corporation | 3.2 million | 4.54% | $475.0M |
| Vanguard Portfolio Management LLC | 3.1 million | 4.37% | $457.0M |
| AQR Capital Management LLC | 2.5 million | 3.49% | $365.0M |
| Baillie Gifford & Co. | 2.0 million | 2.90% | $304.0M |
| Geode Capital Management LLC | 2.0 million | 2.85% | $298.0M |
| Two Sigma Investments LP | 1.9 million | 2.70% | $283.0M |
| Invesco Advisers, Inc. | 1.7 million | 2.41% | $252.0M |
| T. Rowe Price Investment Management, Inc. | 1.5 million | 2.15% | $225.0M |
As of September 25, 2026.
| Quarter | Reports | Shares | Value |
|---|---|---|---|
| Q2 2026 | 764 | – | $11.0B |
| Q1 2026 | 808 | 69.6 million | $14.6B |
| Q4 2025 | 867 | 70.6 million | $20.1B |
| Q3 2025 | 857 | 68.6 million | $21.2B |
| Q2 2025 | 840 | 70.6 million | $22.2B |
| Q1 2025 | 756 | 72.2 million | $18.7B |
| Q4 2024 | 725 | 71.7 million | $18.5B |
| Q3 2024 | 671 | 73.1 million | $16.7B |
Shares and value held by institutions that file quarterly holdings reports (options not included).
| Insider | Date | Title | Transaction | Value |
|---|---|---|---|---|
| Panos Michael | Apr 1, 2026 | Officer | Stock Award(Grant) at price 0.00 per share. | – |
| Huffines Robert Luther | Mar 31, 2026 | Director | Stock Award(Grant) at price 209.84 per share. | $23,292 |
| Minogue Michael R | Feb 25, 2026 | Director | Purchase at price 246.23 per share. | $499,847 |
| Kapples John W. | Feb 24, 2026 | General Counsel | Stock Award(Grant) at price 0.00 per share. | – |
| Benjamin Eric | Feb 24, 2026 | Chief Operating Officer | Stock Award(Grant) at price 0.00 per share. | – |
| Mcevoy Ashley | Feb 24, 2026 | Chief Executive Officer | Stock Award(Grant) at price 0.00 per share. | – |
| Budden Lauren | Feb 24, 2026 | Officer | Stock Award(Grant) at price 0.00 per share. | – |
| Pease Flavia H. | Feb 24, 2026 | Chief Financial Officer | Stock Award(Grant) at price 0.00 per share. | – |
| Singh Prem | Feb 24, 2026 | Officer | Stock Award(Grant) at price 0.00 per share. | – |
| Cousin Laetitia | Feb 24, 2026 | Officer | Stock Award(Grant) at price 0.00 per share. | – |
| Davis Lisa Blair | Feb 24, 2026 | Officer | Stock Award(Grant) at price 0.00 per share. | – |
| Kapples John W. | Feb 12, 2026 | General Counsel | Stock Award(Grant) at price 0.00 per share. | – |
Newest 12 of 69 insider transactions in the last two years.
BlackRock Advisors LLC, with 7.70% of the company (as of September 25, 2026). Next: Vanguard Capital Management LLC (6.43%) and State Street Corporation (4.54%).
764 institutional holdings reports listed Insulet shares in Q2 2026 worth $11.00 billion.
In the last two years insiders reported 14 sales and 2 purchases (69 transactions in all); the newest on file is from April 1, 2026.