Comparable stake leader
PRINCIPAL GLOBAL INVESTORS
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0000046619.
Comparable stake leader
PRINCIPAL GLOBAL INVESTORS
Disclosed value leader
BlackRock, Inc.
Comparable rows
6/50
Latest evidence
08 Oct 2026
Ownership snapshot
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.
Quick read
6 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.
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| PRINCIPAL GLOBAL INVESTORS |
13D/G
|
8.6%
Reported 13D/G
· 30 Jun 2026
|
$1,852,009,220
7,289,366 shares
|
-$413,030,674 | 30 Jun 2026 |
| PRICE T ROWE ASSOCIATES INC /MD/ |
13F
13D/G
Company · T. Rowe Price Associates, Inc.
|
5.8%
Reported 13D/G
· 30 Jun 2026
|
$1,162,666,000
3,287,977 shares
mixed-class rows
|
— | 30 Jun 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC |
13F
13D/G
Company · Vanguard Capital Management
|
5.6%
Reported 13D/G
· 31 Mar 2026
|
$1,553,085,166
5,492,398 shares
mixed-class rows
|
— | 30 Jun 2026 |
| BlackRock, Inc. |
13F
13D/G
Company
|
5.1%
Reported 13D/G
· 31 Mar 2025
|
$2,957,098,480
9,969,614 shares
mixed-class rows
|
— | 30 Jun 2026 |
| Capital International Investors |
13F
13D/G
Company
|
5.1%
Reported 13D/G
· 31 Mar 2026
|
$1,159,780,802
3,397,358 shares
mixed-class rows
|
— | 30 Jun 2026 |
| Capital World Investors |
13D/G
13F
Company
|
4.5%
Reported 13D/G
· 31 Mar 2026
|
$678,658,436
2,475,049 shares
|
-$711,994,027 | 31 Mar 2026 |
| Laurans A. Mendelson |
3/4/5
Executive Chairman, Director, Member of 10% owner group
|
—
mixed-class rows
|
$785,419,491
2,471,558 shares
mixed-class rows
|
— | 15 Jul 2025 |
| Eric A. Mendelson |
3/4/5
Co-COB and Co-CEO, Director, Member of 10% owner group
|
—
mixed-class rows
|
$712,312,816
2,705,506 shares
mixed-class rows
|
— | 27 May 2026 |
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
Net insider flow leans to buying over the last 12 months. Net value: +$1,929,342.
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 6,157 | 0 | $1,400,595 | $0 | +$1,400,595 |
| 3-6 | 0 | 1,326 | $0 | $320,401 | -$320,401 |
| 6-9 | 4,082 | 676 | $999,897 | $150,748 | +$849,148 |
| 9-12 | 0 | 0 | $0 | $0 | $0 |
Reporting owners
Showing 1-15 of 15 reporting-owner rows connected to HEICO CORP. Open a relationship link for the CIK-to-CIK filing trail.
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Laurans A. Mendelson | Executive Chairman, Director, Member of 10% owner group | $785,419,491 | Mixed | 15 Jul 2025 | ||
| Eric A. Mendelson | Co-COB and Co-CEO, Director, Member of 10% owner group | $712,312,816 | Mixed | 27 May 2026 | ||
| Victor H. Mendelson | Co-COB and Co-CEO, Director, Member of 10% owner group | $603,582,357 | +$175,142 | +0.03% | Mixed | 08 Oct 2026 |
| Alan Schriesheim | Director | $44,608,094 | +$175,142 | +0.39% | Mixed | 08 Oct 2026 |
| Carlos L. Macau | EVP-CFO & Treasurer | $41,293,051 | Mixed | 27 May 2026 | ||
| Mark H. Hildebrandt | Director | $13,442,014 | +$175,142 | +1.3% | Mixed | 08 Oct 2026 |
| Adolfo Henriques | Director | $8,782,219 | +$175,142 | +2% | Mixed | 08 Oct 2026 |
| Thomas S. Irwin | Sr Exec VP | $7,501,708 | Mixed | 28 Aug 2024 | ||
| Steven M. Walker | Chief Accounting Officer | $5,606,465 | Mixed | 29 Jan 2024 | ||
| Thomas M. Culligan | Director | $4,542,738 | +$175,142 | +4% | Mixed | 08 Oct 2026 |
| Julie Neitzel | Director | $4,289,911 | +$23,853 | +0.56% | Mixed | 08 Oct 2026 |
| Carol F. Fine | Director | $1,223,629 | +$175,142 | +17% | Mixed | 08 Oct 2026 |
| Nandakumar Cheruvatath | Director | $1,172,713 | +$1,175,039 | +100% | Mixed | 08 Oct 2026 |
| Bradley K. Rowen | Chief Accounting Officer | $948,780 | -$320,401 | -25% | Mixed | 10 Jun 2026 |
| Frank J. Schwitter | Director | $500,343 | Mixed | 03 Jun 2025 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Victor H. Mendelson | HEI | Class A Common Stock | Purchase | $175,142 | $220.30 | 795 | 795 | 08 Oct 2026 | By 409A Plan | |
| Thomas M. Culligan | HEI | Class A Common Stock | Purchase | 7.21% | $175,142 | $220.30 | 795 | 11,825 | 08 Oct 2026 | By 409A Plan |
| Mark H. Hildebrandt | HEI | Class A Common Stock | Purchase | 1.61% | $175,142 | $220.30 | 795 | 50,218 | 08 Oct 2026 | By 409A Plan |
| Julie Neitzel | HEI | Common Stock | Purchase | 141.6% | $174,601 | $294.93 | 592 | 1,010 | 08 Oct 2026 | Direct |
| Carol F. Fine | HEI | Class A Common Stock | Purchase | 118.3% | $175,142 | $220.30 | 795 | 1,467 | 08 Oct 2026 | By 409A Plan |
| Alan Schriesheim | HEI | Class A Common Stock | Purchase | 195.3% | $175,142 | $220.30 | 795 | 1,202 | 08 Oct 2026 | Direct |
| Adolfo Henriques | HEI | Class A Common Stock | Purchase | 3.3% | $175,142 | $220.30 | 795 | 24,864 | 08 Oct 2026 | By 409A Plan |
| Nandakumar Cheruvatath | HEI | Class A Common Stock | Purchase | 19.5% | $175,142 | $220.30 | 795 | 4,877 | 08 Oct 2026 | Direct |
| Alan Schriesheim | HEI | Class A Common Stock | Gift | -23.5% | -125 | 407 | 01 Sep 2026 | Direct | ||
| Victor H. Mendelson | HEI | Class A Common Stock | Gift | -1.52% | -3,285 | 212,626 | 29 Jun 2026 | Direct | ||
| Bradley K. Rowen | HEI | Class A Common Stock | Sale | -100% | -$320,401 | $241.63 | -1,326 | 0 | 10 Jun 2026 | Direct |
| Alan Schriesheim | HEI | Class A Common Stock | Gift | -20.8% | -140 | 532 | 01 Jun 2026 | Direct | ||
| Bradley K. Rowen | HEI | Class A Common Stock | Tax liability | -87.3% | -1,954 | 284 | 29 May 2026 | Direct | ||
| Bradley K. Rowen | HEI | Class A Common Stock | Options Exercise | 3,280 | 2,200 | 29 May 2026 | Direct | |||
| Bradley K. Rowen | HEI | Option (Right to purchase Class A Common Stock) | Options Exercise | -100% | -3,280 | 0 | 29 May 2026 | Direct | ||
| Victor H. Mendelson | HEI | Option (Right to purchase Common Stock) | Award | 10,000 | 10,000 | 27 May 2026 | Direct | |||
| Eric A. Mendelson | HEI | Option (Right to purchase Common Stock) | Award | 10,000 | 10,000 | 27 May 2026 | Direct | |||
| Bradley K. Rowen | HEI | Option (Right to purchase Class A Common Stock) | Award | 3,000 | 3,000 | 27 May 2026 | Direct | |||
| Carlos L. Macau | HEI | Option (Right to purchase Common Stock) | Award | 5,000 | 5,000 | 27 May 2026 | Direct | |||
| Julie Neitzel | HEI | Class A Common Stock | Sale | -100% | -$150,748 | $223.00 | -676 | 0 | 15 Apr 2026 | Direct |
| Nandakumar Cheruvatath | HEI | Class A Common Stock | Purchase | 6378.1% | $999,897 | $244.95 | 4,082 | 4,146 | 04 Mar 2026 | Direct |
| Victor H. Mendelson | HEI | Class A Common Stock | Gift | -1.22% | -2,660 | 215,911 | 19 Dec 2025 | Direct | ||
| Carlos L. Macau | HEI | Class A Common Stock | Tax liability | -10.8% | -19,022 | 156,316 | 31 Oct 2025 | Direct | ||
| Carlos L. Macau | HEI | Class A Common Stock | Options Exercise | 29.6% | 40,000 | 175,338 | 31 Oct 2025 | Direct | ||
| Carlos L. Macau | HEI | Option (Right to purchase Class A Common Stock) | Options Exercise | -41% | -40,000 | 57,656 | 31 Oct 2025 | Direct | ||
| Eric A. Mendelson | HEI | Common Stock | Tax liability | -2.91% | -38,004 | 1,266,407 | 31 Oct 2025 | Direct | ||
| Eric A. Mendelson | HEI | Common Stock | Options Exercise | 6.53% | 80,000 | 1,304,411 | 31 Oct 2025 | Direct | ||
| Eric A. Mendelson | HEI | Option (Right to purchase Common Stock) | Options Exercise | -41% | -80,000 | 115,313 | 31 Oct 2025 | Direct | ||
| Victor H. Mendelson | HEI | Common Stock | Tax liability | -2.88% | -37,930 | 1,277,020 | 31 Oct 2025 | Direct | ||
| Victor H. Mendelson | HEI | Common Stock | Options Exercise | 6.48% | 80,000 | 1,314,950 | 31 Oct 2025 | Direct | ||
| Victor H. Mendelson | HEI | Option (Right to purchase Common Stock) | Options Exercise | -41% | -80,000 | 115,313 | 31 Oct 2025 | Direct |