Comparable stake leader
VANGUARD PORTFOLIO MANAGEMENT LLC
SEC ownership of LITTELFUSE INC /DE
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0000889331.
Disclosed value leader
BlackRock, Inc.
Comparable rows
50/50
Latest evidence
15 Jun 2026
- Public ticker
- LFUS on Nasdaq
- Parsed ownership sources
-
13D/G, 13F, and 3/4/5
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
VANGUARD PORTFOLIO MANAGEMENT LLC
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
50 of 50
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
VANGUARD PORTFOLIO MANAGEMENT LLC
Source: Latest parsed Schedule 13D/G stake
- Latest parsed ownership date
-
15 Jun 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0000889331
- Issuer location
- Rosemont, IL
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
3 signals
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of LITTELFUSE INC /DE (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
VANGUARD PORTFOLIO MANAGE...
Disclosed value leader
BlackRock, Inc.
Comparable rows
50/50
Latest evidence
15 Jun 2026
13D/G
13F
3/4/5
Lead comparable stake: 6.2%
13D/G row: VANGUARD PORTFOLIO MANAGEMENT LLC
Showing 1-8 of 50 holder rows.
Quick read
VANGUARD PORTFOLIO MANAGEMENT LLC leads the comparable SEC ownership view at 6.2%.
50 of 50 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens VANGUARD PORTFOLIO MANAGEMENT LLC's linked filing trail.
Comparable ownership
Top 5
VANGUARD PORTFOLIO MANAGEMENT LLC
6.2%
VANGUARD CAPITAL MANAGEMENT LLC
5.2%
Anthony Grillo
0.26%
Ryan K. Stafford
0.11%
Gordon Hunter
0.11%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-8 of 50 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| VANGUARD PORTFOLIO MANAGEMENT LLC |
13D/G
13F
Vanguard Portfolio Management · Company
|
6.2%
|
$532,973,948
1,570,573 shares
|
$0 | 31 Mar 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC |
13D/G
13F
Vanguard Capital Management · Company
|
5.2%
|
$447,044,080
1,317,354 shares
|
$0 | 31 Mar 2026 |
| Anthony Grillo |
3/4/5
Director
|
0.26%
|
$29,481,856
64,928 shares
|
-$3,087,087 | 11 Jun 2026 |
| Ryan K. Stafford |
3/4/5
Executive VP, CLO & Corp Sec
|
0.11%
|
$9,206,565
27,130 shares
|
-$8,724,181 | 24 Apr 2026 |
| Gordon Hunter |
3/4/5
Director
|
0.11%
|
$12,807,840
26,683 shares
|
-$1,316,769 | 15 Jun 2026 |
| William P. Noglows |
3/4/5
Director
|
0.1%
|
$8,375,836
24,682 shares
|
— | 04 Jun 2026 |
| Chung T. J. |
3/4/5
Director
|
0.08%
|
$6,550,812
19,304 shares
|
-$576,627 | 04 Jun 2026 |
| Gregory N. Henderson |
3/4/5
President & CEO, Director
|
0.08%
|
$6,483,621
19,106 shares
|
— | 04 Jun 2026 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Insider trading overview
Net insider flow leans to selling over the last 12 months. Net value: -$42,421,149.
Buys
$0
Insiders: 0
Sells
$42,421,149
Insiders: 11
Net
-$42,421,149
Shares: -124,022
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 0
Shares: 124,022
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 34,117 | $0 | $15,543,599 | -$15,543,599 |
| 3-6 | 0 | 49,012 | $0 | $16,227,757 | -$16,227,757 |
| 6-9 | 0 | 14,034 | $0 | $3,670,033 | -$3,670,033 |
| 9-12 | 0 | 26,859 | $0 | $6,979,761 | -$6,979,761 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-20 of 25 reporting-owner rows connected to LITTELFUSE INC /DE. Open a relationship link for the CIK-to-CIK filing trail.
Rows
25
Largest Forms 3/4/5 holder
Nathan Zommer
Net 12M change
-$42,421,148
Latest report
15 Jun 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Nathan Zommer | Director | $31,477,122 | Mixed | 28 Apr 2022 | ||
| Anthony Grillo | Director | $29,481,856 | -$3,087,087 | -9.5% | Filing P/S | 11 Jun 2026 |
| David W. Heinzmann | President & CEO, Director | $16,407,833 | Filing P/S | 26 Aug 2024 | ||
| Gordon Hunter | Director | $12,807,840 | -$1,316,769 | -9.3% | Filing P/S | 15 Jun 2026 |
| Ryan K. Stafford | Executive VP, CLO & Corp Sec | $9,206,565 | -$8,724,181 | -49% | Median | 24 Apr 2026 |
| William P. Noglows | Director | $8,375,836 | Median | 04 Jun 2026 | ||
| Chung T. J. | Director | $6,550,812 | -$576,627 | -8.1% | Median | 04 Jun 2026 |
| Gregory N. Henderson | President & CEO, Director | $6,483,621 | Median | 04 Jun 2026 | ||
| Meenal A. Sethna | Executive VP, CFO | $5,305,740 | Filing P/S | 13 May 2025 | ||
| Peter Sung-Jip Kim | SVP & GM Industrial Business | $3,570,640 | -$7,289,097 | -67% | Median | 04 Jun 2026 |
| Abhishek Khandelwal | Executive VP, CFO | $3,378,907 | Median | 04 Jun 2026 | ||
| Chad Marak | SVP & GM Semiconductor Busines | $2,647,907 | Mixed | 05 Jun 2025 | ||
| Jeffrey G. Gorski | SVP & Chief Accounting Officer | $2,146,049 | -$2,305,784 | -52% | Median | 04 Jun 2026 |
| Maggie Chu | Svp, Chro | $2,038,475 | -$6,068,269 | -75% | Median | 04 Jun 2026 |
| David Ruppel | SVP & GM Transportation Bus. | $1,786,677 | -$705,402 | -28% | Median | 04 Jun 2026 |
| Deepak Nayar | SVP & GM Electronics Business | $1,659,760 | -$8,031,329 | -83% | Median | 04 Jun 2026 |
| Kristina A. Cerniglia | Director | $1,609,197 | -$863,114 | -35% | Median | 04 Jun 2026 |
| Maria C. Green | Director | $1,427,306 | Median | 04 Jun 2026 | ||
| Matthew Cole | SVP eMobility & Corp Strategy | $1,408,110 | Filing P/S | 19 Feb 2025 | ||
| Karim Wagdy Hamed | SVP & GM Semiconductor Busines | $1,005,154 | Median | 04 Jun 2026 |
Recent insider transactions for LITTELFUSE INC /DE
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Gordon Hunter | LFUS | Common Stock | Sale | -5.09% | $687,360 | $480.00 | -1,432 | 26,683 | 15 Jun 2026 | Direct |
| Gordon Hunter | LFUS | Common Stock | Options Exercise | 5.37% | 1,432 | 28,117 | 15 Jun 2026 | Direct | ||
| Gordon Hunter | LFUS | Stock Option (right to buy) | Options Exercise | -100% | -1,432 | 0 | 15 Jun 2026 | Direct | ||
| Anthony Grillo | LFUS | Common Stock | Sale | -4.42% | $1,355,867 | $451.96 | -3,000 | 64,928 | 11 Jun 2026 | Direct |
| Maria C. Green | LFUS | Common Stock | Award | 0.07% | 3 | 4,206 | 04 Jun 2026 | Direct | ||
| Anne-Marie W. D'Angelo | LFUS | Common Stock | Award | 0.18% | 3 | 1,692 | 04 Jun 2026 | Direct | ||
| Gordon Hunter | LFUS | Common Stock | Award | 0.03% | 7 | 26,685 | 04 Jun 2026 | Direct | ||
| Chung T. J. | LFUS | Common Stock | Award | 0.07% | 13 | 19,304 | 04 Jun 2026 | Direct | ||
| Karim Wagdy Hamed | LFUS | Common Stock | Award | 0.14% | 4 | 2,962 | 04 Jun 2026 | Direct | ||
| Gregory N. Henderson | LFUS | Common Stock | Award | 0.16% | 31 | 19,106 | 04 Jun 2026 | Direct | ||
| William P. Noglows | LFUS | Common Stock | Award | 0.03% | 6 | 22,182 | 04 Jun 2026 | Direct | ||
| Deepak Nayar | LFUS | Common Stock | Award | 0.18% | 9 | 4,891 | 04 Jun 2026 | Direct | ||
| Anthony Grillo | LFUS | Common Stock | Award | 0.06% | 38 | 67,928 | 04 Jun 2026 | Direct | ||
| Abhishek Khandelwal | LFUS | Common Stock | Award | 0.16% | 16 | 9,957 | 04 Jun 2026 | Direct | ||
| Maggie Chu | LFUS | Common Stock | Award | 0.1% | 6 | 6,007 | 04 Jun 2026 | Direct | ||
| David Ruppel | LFUS | Common Stock | Award | 0.1% | 5 | 5,265 | 04 Jun 2026 | Direct | ||
| Kristina A. Cerniglia | LFUS | Common Stock | Award | 0.06% | 3 | 4,742 | 04 Jun 2026 | Direct | ||
| Holly Beth Paeper | LFUS | Common Stock | Award | 0.16% | 1 | 636 | 04 Jun 2026 | Direct | ||
| Jeffrey G. Gorski | LFUS | Common Stock | Award | 0.02% | 1 | 6,324 | 04 Jun 2026 | Direct | ||
| Peter Sung-Jip Kim | LFUS | Common Stock | Award | 0.05% | 5 | 10,522 | 04 Jun 2026 | Direct | ||
| Gordon Hunter | LFUS | Common Stock | Sale | -2.21% | $294,451 | $488.31 | -603 | 26,678 | 03 Jun 2026 | Direct |
| Peter Sung-Jip Kim | LFUS | Common Stock | Sale | -49.2% | $4,944,833 | $486.17 | -10,171 | 10,517 | 02 Jun 2026 | Direct |
| Peter Sung-Jip Kim | LFUS | Common Stock | Options Exercise | 96.7% | 10,171 | 20,688 | 02 Jun 2026 | Direct | ||
| Peter Sung-Jip Kim | LFUS | Stock Option (right to buy) | Options Exercise | -100% | -10,171 | 0 | 02 Jun 2026 | Direct | ||
| Maggie Chu | LFUS | Common Stock | Sale | -65.5% | $4,963,131 | $435.48 | -11,397 | 6,001 | 20 May 2026 | Direct |
| Maggie Chu | LFUS | Common Stock | Options Exercise | 189.9% | 11,397 | 17,398 | 20 May 2026 | Direct | ||
| Deepak Nayar | LFUS | Common Stock | Sale | -54.8% | $2,640,917 | $446.78 | -5,911 | 4,882 | 18 May 2026 | Direct |
| Deepak Nayar | LFUS | Common Stock | Options Exercise | 74.8% | 4,620 | 10,793 | 18 May 2026 | Direct | ||
| David Ruppel | LFUS | Common Stock | Sale | -8.78% | $225,251 | $445.16 | -506 | 5,260 | 18 May 2026 | Direct |
| Gregory N. Henderson | LFUS | Common Stock | Tax liability | -0.14% | -27 | 19,075 | 15 May 2026 | Direct | ||
| Anne-Marie W. D'Angelo | LFUS | Common Stock | Award | 1,689 | 1,689 | 01 May 2026 | Direct | |||
| Holly Beth Paeper | LFUS | Common Stock | Award | 14.6% | 81 | 635 | 30 Apr 2026 | Direct | ||
| Maggie Chu | LFUS | Common Stock | Sale | -4.49% | $111,926 | $396.90 | -282 | 6,001 | 30 Apr 2026 | Direct |
| Maggie Chu | LFUS | Common Stock | Sale | -11.5% | $319,863 | $392.47 | -815 | 6,283 | 28 Apr 2026 | Direct |
| Maggie Chu | LFUS | Common Stock | Tax liability | -2.51% | -183 | 7,098 | 27 Apr 2026 | Direct | ||
| Jeffrey G. Gorski | LFUS | Common Stock | Tax liability | -2.69% | -175 | 6,323 | 27 Apr 2026 | Direct | ||
| Deepak Nayar | LFUS | Common Stock | Tax liability | -6.04% | -397 | 6,173 | 27 Apr 2026 | Direct | ||
| Ryan K. Stafford | LFUS | Common Stock | Tax liability | -1.45% | -399 | 27,130 | 27 Apr 2026 | Direct | ||
| Peter Sung-Jip Kim | LFUS | Common Stock | Tax liability | -1.48% | -158 | 10,517 | 27 Apr 2026 | Direct | ||
| Maggie Chu | LFUS | Common Stock | Tax liability | -2.75% | -206 | 7,281 | 25 Apr 2026 | Direct | ||
| Jeffrey G. Gorski | LFUS | Common Stock | Tax liability | -3.06% | -205 | 6,498 | 25 Apr 2026 | Direct | ||
| Deepak Nayar | LFUS | Common Stock | Tax liability | -6.05% | -423 | 6,570 | 25 Apr 2026 | Direct | ||
| Gregory N. Henderson | LFUS | Common Stock | Tax liability | -0.16% | -31 | 19,102 | 25 Apr 2026 | Direct | ||
| Ryan K. Stafford | LFUS | Common Stock | Tax liability | -1.63% | -455 | 27,529 | 25 Apr 2026 | Direct | ||
| Peter Sung-Jip Kim | LFUS | Common Stock | Tax liability | -2.1% | -229 | 10,675 | 25 Apr 2026 | Direct | ||
| Maggie Chu | LFUS | Common Stock | Tax liability | -4.12% | -322 | 7,487 | 24 Apr 2026 | Direct | ||
| David Ruppel | LFUS | Common Stock | Tax liability | -3.71% | -222 | 5,766 | 24 Apr 2026 | Direct | ||
| Jeffrey G. Gorski | LFUS | Common Stock | Tax liability | -4.32% | -303 | 6,703 | 24 Apr 2026 | Direct | ||
| Deepak Nayar | LFUS | Common Stock | Tax liability | -8.58% | -656 | 6,993 | 24 Apr 2026 | Direct | ||
| Gregory N. Henderson | LFUS | Common Stock | Tax liability | -8.12% | -1,691 | 19,133 | 24 Apr 2026 | Direct |
* marks a reported price that did not pass the local price check.