The largest holder of Littelfuse stock is BlackRock Advisors LLC, with 2.4 million shares (9.41% of the company), worth about $985.00 million as of September 25, 2026. The 10 largest holders together own 36.7%.
In Q2 2026, 625 institutional holdings reports listed shares worth $11.50 billion.
Insiders reported 100 transactions in the last two years: 18 sales worth $25.59 million and no purchases. The newest one on file is from April 30, 2026 (Chu Maggie, Officer).
Major holders as of September 25, 2026; quarterly totals from institutional holdings reports (latest Q2 2026); insider transactions on file through April 30, 2026.

2026Q2
| Holder | Shares | % of company | Value |
|---|---|---|---|
| BlackRock Advisors LLC | 2.4 million | 9.41% | $985.0M |
| Vanguard Portfolio Management LLC | 1.5 million | 5.92% | $620.0M |
| Vanguard Capital Management LLC | 1.1 million | 4.49% | $470.0M |
| Van Lanschot Kempen Investment Management NV | 933,511 | 3.67% | $385.0M |
| State Street Corporation | 794,167 | 3.13% | $327.0M |
| Mairs & Power, Inc. | 602,104 | 2.37% | $248.0M |
| Geode Capital Management LLC | 583,297 | 2.30% | $240.0M |
| Eaton Vance Management | 471,250 | 1.85% | $194.0M |
| LB Hercules Holdings LLC | 467,862 | 1.84% | $193.0M |
| DFA Australia Ltd. | 427,706 | 1.68% | $176.0M |
As of September 25, 2026.
| Quarter | Reports | Shares | Value |
|---|---|---|---|
| Q2 2026 | 625 | – | $11.5B |
| Q1 2026 | 545 | 25.1 million | $8.5B |
| Q4 2025 | 478 | 25.6 million | $6.4B |
| Q3 2025 | 501 | 24.4 million | $6.3B |
| Q2 2025 | 449 | 24.6 million | $5.6B |
| Q1 2025 | 420 | 25.0 million | $4.9B |
| Q4 2024 | 422 | 23.9 million | $5.6B |
| Q3 2024 | 437 | 24.4 million | $6.5B |
Shares and value held by institutions that file quarterly holdings reports (options not included).
| Insider | Date | Title | Transaction | Value |
|---|---|---|---|---|
| Chu Maggie | Apr 30, 2026 | Officer | Sale at price 392.47 - 396.90 per share. | $431,789 |
| Gorski Jeffrey G | Apr 22, 2026 | Officer | Stock Award(Grant) at price 0.00 per share. | – |
| Khandelwal Abhishek | Apr 22, 2026 | Chief Financial Officer | Stock Award(Grant) at price 0.00 per share. | – |
| Chu Maggie | Apr 22, 2026 | Officer | Stock Award(Grant) at price 0.00 per share. | – |
| Kim Peter Sung-Jip | Apr 22, 2026 | Officer | Stock Award(Grant) at price 0.00 per share. | – |
| Ruppel David | Apr 22, 2026 | Officer | Stock Award(Grant) at price 0.00 per share. | – |
| Hamed Karim Wagdy | Apr 22, 2026 | Officer | Stock Award(Grant) at price 0.00 per share. | – |
| Nayar Deepak | Apr 22, 2026 | Officer | Stock Award(Grant) at price 0.00 per share. | – |
| Green Maria C | Apr 22, 2026 | Director | Stock Award(Grant) at price 0.00 per share. | – |
| Henderson Gregory N | Apr 22, 2026 | Chief Executive Officer | Stock Award(Grant) at price 0.00 per share. | – |
| Cerniglia Kristina A. | Apr 22, 2026 | Director | Stock Award(Grant) at price 0.00 per share. | – |
| Hunter Gordon | Apr 22, 2026 | Director | Stock Award(Grant) at price 0.00 per share. | – |
Newest 12 of 100 insider transactions in the last two years.
BlackRock Advisors LLC, with 9.41% of the company (as of September 25, 2026). Next: Vanguard Portfolio Management LLC (5.92%) and Vanguard Capital Management LLC (4.49%).
625 institutional holdings reports listed Littelfuse shares in Q2 2026 worth $11.50 billion.
In the last two years insiders reported 18 sales and no purchases (100 transactions in all); the newest on file is from April 30, 2026.