Comparable stake leader
FMR LLC
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001493594.
Comparable stake leader
FMR LLC
Disclosed value leader
FMR LLC
Comparable rows
6/50
Latest evidence
30 Jun 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 |
|---|---|---|---|---|---|
| FMR LLC |
13F
13D/G
Company
|
14%
Reported 13D/G
· 31 Mar 2026
|
$4,004,209,656
10,527,144 shares
|
— | 30 Jun 2026 |
| BlackRock, Inc. |
13F
13D/G
Company
|
10%
Reported 13D/G
· 30 Jun 2026
|
$3,618,421,462
9,512,899 shares
|
— | 30 Jun 2026 |
| Susan Ocampo |
13D/G
3/4/5
Susan M. Ocampo · 10%+ Owner
|
6.4%
Reported 13D/G
· 30 Jun 2026
|
$1,857,913,461
4,884,490 shares
|
-$729,133,155 | 30 Jun 2026 |
| Invesco Ltd. |
13F
13D/G
Company
|
4.9%
Reported 13D/G
· 31 Dec 2024
|
$817,635,999
2,149,581 shares
|
— | 30 Jun 2026 |
| PRICE T ROWE ASSOCIATES INC /MD/ |
13F
13D/G
Company · T. Rowe Price Associates, Inc.
|
4.3%
Reported 13D/G
· 31 Mar 2025
|
$372,815,000
980,134 shares
|
— | 30 Jun 2026 |
| T. Rowe Price Investment Management, Inc. |
13F
13D/G
Company
|
3.7%
Reported 13D/G
· 30 Jun 2026
|
$1,084,125,000
2,850,185 shares
|
— | 30 Jun 2026 |
| John L. Ocampo |
3/4/5
Director, 10%+ Owner
|
—
denominator unverified
|
$1,370,710,724
16,490,745 shares
|
— | 20 Nov 2023 |
| VANGUARD PORTFOLIO MANAGEMENT LLC |
13F
Company
|
—
denominator unverified
|
$1,371,357,090
3,605,324 shares
|
— | 30 Jun 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 selling over the last 12 months. Net value: -$349,233,158.
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 8,294 | $0 | $2,674,673 | -$2,674,673 |
| 3-6 | 0 | 78,096 | $0 | $28,760,953 | -$28,760,953 |
| 6-9 | 0 | 754,113 | $0 | $184,608,288 | -$184,608,288 |
| 9-12 | 0 | 784,982 | $0 | $133,189,244 | -$133,189,244 |
Reporting owners
Showing 1-17 of 17 reporting-owner rows connected to MACOM Technology Solutions Holdings, Inc.. Open a relationship link for the CIK-to-CIK filing trail.
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Susan Ocampo | 10%+ Owner | $1,606,690,617 | -$284,722,296 | -15% | Mixed | 24 Feb 2026 |
| John L. Ocampo | Director, 10%+ Owner | $1,370,710,724 | Mixed | 20 Nov 2023 | ||
| Stephen G. Daly | President and CEO, Director | $12,626,070 | -$12,766,804 | -50% | Median | 21 Oct 2026 |
| John Kober | Senior VP and CFO | $10,213,645 | -$10,394,504 | -50% | Median | 21 Oct 2026 |
| Donghyun Thomas Hwang | SVP, Global Sales | $8,884,959 | -$5,584,734 | -39% | Median | 21 Oct 2026 |
| Wayne Mack Struble | SVP, Advanced Semiconductor | $4,996,161 | Mixed | 06 Nov 2025 | ||
| Geoffrey G. Ribar | Director | $4,545,795 | -$1,156,322 | -20% | Filing P/S | 11 May 2026 |
| Robert Dennehy | Senior VP and COO | $4,232,994 | -$4,581,448 | -52% | Median | 21 Oct 2026 |
| Gil J. van Lunsen | Director | $3,142,435 | Mixed | 04 Mar 2022 | ||
| Charles R. Bland | Director | $3,028,590 | -$1,362,610 | -31% | Mixed | 18 May 2026 |
| Ambra R. Roth | SVP, GC and Secretary | $3,014,819 | -$2,974,552 | -50% | Median | 21 Oct 2026 |
| Peter Y. Chung | Director | $2,564,568 | -$16,363,923 | -86% | Filing P/S | 14 May 2026 |
| John Ritchie | Director | $2,262,279 | -$401,115 | -15% | Mixed | 06 Mar 2026 |
| Jihye Whang Rosenband | Director | $1,712,363 | Mixed | 06 Mar 2026 | ||
| Murugesan Shanmugaraj | Director | $1,157,872 | Mixed | 19 May 2026 | ||
| Bryan Ingram | Director | $417,515 | Mixed | 06 Mar 2026 | ||
| Douglas J. Carlson | SVP, Technology | $406,706 | Mixed | 29 Nov 2023 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Robert Dennehy | MTSI | Common Stock | Award | 16.5% | 2,104 | 14,862 | 21 Oct 2026 | Direct | ||
| Donghyun Thomas Hwang | MTSI | Common Stock | Award | 4.84% | 1,439 | 31,195 | 21 Oct 2026 | Direct | ||
| Ambra R. Roth | MTSI | Common Stock | Award | 15.2% | 1,401 | 10,585 | 21 Oct 2026 | Direct | ||
| John Kober | MTSI | Common Stock | Award | 6.78% | 2,277 | 35,860 | 21 Oct 2026 | Direct | ||
| Stephen G. Daly | MTSI | Common Stock | Award | 15.5% | 5,941 | 44,330 | 21 Oct 2026 | Direct | ||
| Ambra R. Roth | MTSI | Common Stock | Sale | -6.64% | -$195,900 | $300.00 | -653 | 9,184 | 01 Oct 2026 | Direct |
| Robert Dennehy | MTSI | Common Stock | Sale | -1.94% | -$69,350 | $275.20 | -252 | 12,758 | 28 Aug 2026 | Direct |
| John Kober | MTSI | Common Stock | Sale | -18% | -$2,409,423 | $326.08 | -7,389 | 33,583 | 17 Aug 2026 | Direct |
| Donghyun Thomas Hwang | MTSI | Common Stock | Sale | -8.09% | -$1,005,732 | $383.87 | -2,620 | 29,756 | 25 Jun 2026 | Direct |
| Stephen G. Daly | MTSI | Common Stock | Sale | -29.2% | -$5,789,100 | $365.75 | -15,828 | 38,389 | 29 May 2026 | Direct |
| Murugesan Shanmugaraj | MTSI | Common Stock | Gift | -21.2% | -1,400 | 5,214 | 19 May 2026 | Direct | ||
| Charles R. Bland | MTSI | Common Stock | Gift | -2.15% | -300 | 13,638 | 19 May 2026 | Direct | ||
| John Kober | MTSI | Common Stock | Sale | -15.7% | -$2,746,143 | $359.25 | -7,644 | 40,972 | 18 May 2026 | Direct |
| Donghyun Thomas Hwang | MTSI | Common Stock | Sale | -7.42% | -$935,871 | $360.64 | -2,595 | 32,376 | 18 May 2026 | Direct |
| Charles R. Bland | MTSI | Common Stock | Gift | -2.79% | -400 | 13,938 | 18 May 2026 | Direct | ||
| Robert Dennehy | MTSI | Common Stock | Award | 1.13% | 146 | 13,010 | 15 May 2026 | Direct | ||
| John Kober | MTSI | Common Stock | Award | 0.22% | 108 | 48,616 | 15 May 2026 | Direct | ||
| Donghyun Thomas Hwang | MTSI | Common Stock | Award | 0.24% | 85 | 34,971 | 15 May 2026 | Direct | ||
| Peter Y. Chung | MTSI | Common Stock | Sale | -86.4% | -$16,363,923 | $378.20 | -43,268 | 6,781 | 14 May 2026 | See Remarks |
| Charles R. Bland | MTSI | Common Stock | Sale | -5.28% | -$304,000 | $380.00 | -800 | 14,338 | 13 May 2026 | Direct |
| Geoffrey G. Ribar | MTSI | Common Stock | Sale | -11.4% | -$587,266 | $361.84 | -1,623 | 12,563 | 11 May 2026 | Direct |
| Donghyun Thomas Hwang | MTSI | Common Stock | Sale | -9.63% | -$1,028,917 | $276.74 | -3,718 | 34,886 | 30 Apr 2026 | Direct |
| Jihye Whang Rosenband | MTSI | Common Stock | Award | 12.2% | 776 | 7,165 | 06 Mar 2026 | Direct | ||
| John Ritchie | MTSI | Common Stock | Award | 8.93% | 776 | 9,466 | 06 Mar 2026 | Direct | ||
| Bryan Ingram | MTSI | Common Stock | Award | 79.9% | 776 | 1,747 | 06 Mar 2026 | Direct | ||
| Murugesan Shanmugaraj | MTSI | Common Stock | Award | 13.3% | 776 | 6,614 | 06 Mar 2026 | Direct | ||
| Geoffrey G. Ribar | MTSI | Common Stock | Award | 5.79% | 776 | 14,186 | 06 Mar 2026 | Direct | ||
| Charles R. Bland | MTSI | Common Stock | Award | 5.4% | 776 | 15,138 | 06 Mar 2026 | Direct | ||
| Peter Y. Chung | MTSI | Common Stock | Award | 1.57% | 776 | 50,049 | 06 Mar 2026 | See Remarks | ||
| Robert Dennehy | MTSI | Common Stock | Sale | -58.8% | -$4,512,098 | $245.25 | -18,398 | 12,864 | 26 Feb 2026 | Direct |
| Geoffrey G. Ribar | MTSI | Common Stock | Sale | -14.3% | -$569,056 | $253.59 | -2,244 | 13,410 | 25 Feb 2026 | Direct |
| John Ritchie | MTSI | Common Stock | Sale | -15.3% | -$401,115 | $255.00 | -1,573 | 8,690 | 25 Feb 2026 | Direct |
| Susan Ocampo | MTSI | Common Stock | Gift | -4.64% | -174,465 | 3,585,430 | 25 Feb 2026 | By Ocampo Family Trusts | ||
| Susan Ocampo | MTSI | Common Stock | Sale | -6.51% | -$66,600,316 | $254.43 | -261,763 | 3,759,895 | 25 Feb 2026 | By Ocampo Family Trusts |
| Susan Ocampo | MTSI | Common Stock | Sale | -1.31% | -$13,381,370 | $250.08 | -53,509 | 4,021,658 | 24 Feb 2026 | By Ocampo Family Trusts |
| Susan Ocampo | MTSI | Common Stock | Sale | -0.08% | -$789,004 | $250.00 | -3,156 | 4,075,167 | 18 Feb 2026 | By Ocampo Family Trusts |
| Susan Ocampo | MTSI | Common Stock | Sale | -1.93% | -$19,655,438 | $245.32 | -80,123 | 4,078,323 | 17 Feb 2026 | By Ocampo Family Trusts |
| John Kober | MTSI | Common Stock | Sale | -12.9% | -$1,749,161 | $243.07 | -7,196 | 48,508 | 17 Feb 2026 | Direct |
| Susan Ocampo | MTSI | Common Stock | Sale | -1.47% | -$15,006,808 | $241.85 | -62,050 | 4,158,446 | 13 Feb 2026 | By Ocampo Family Trusts |
| Charles R. Bland | MTSI | Common Stock | Sale | -6.51% | -$240,820 | $240.82 | -1,000 | 14,362 | 12 Feb 2026 | Direct |
| Susan Ocampo | MTSI | Common Stock | Sale | -1.35% | -$13,897,142 | $240.32 | -57,827 | 4,220,496 | 12 Feb 2026 | By Ocampo Family Trusts |
| Susan Ocampo | MTSI | Common Stock | Sale | -2.28% | -$23,584,700 | $235.85 | -100,000 | 4,278,323 | 06 Feb 2026 | By Ocampo Family Trusts |
| Susan Ocampo | MTSI | Common Stock | Sale | -2.23% | -$23,029,000 | $230.29 | -100,000 | 4,378,323 | 03 Feb 2026 | By Ocampo Family Trusts |
| Donghyun Thomas Hwang | MTSI | Common Stock | Sale | -12% | -$1,192,260 | $226.06 | -5,274 | 38,604 | 02 Feb 2026 | Direct |
| Bryan Ingram | MTSI | Common Stock | Award | 971 | 971 | 13 Jan 2026 | Direct | |||
| Susan Ocampo | MTSI | Common Stock | Sale | -2.63% | -$23,011,205 | $190.07 | -121,067 | 4,478,323 | 09 Dec 2025 | By Ocampo Family Trusts |
| Susan Ocampo | MTSI | Common Stock | Sale | -1.64% | -$14,569,644 | $190.10 | -76,642 | 4,599,390 | 05 Dec 2025 | By Ocampo Family Trusts |
| Donghyun Thomas Hwang | MTSI | Common Stock | Sale | -9.06% | -$811,571 | $185.63 | -4,372 | 43,878 | 04 Dec 2025 | Direct |
| Susan Ocampo | MTSI | Common Stock | Sale | -0.05% | -$435,290 | $190.00 | -2,291 | 4,676,032 | 04 Dec 2025 | By Ocampo Family Trusts |
| Susan Ocampo | MTSI | Common Stock | Sale | -2.01% | -$17,254,970 | $180.06 | -95,829 | 4,678,323 | 03 Dec 2025 | By Ocampo Family Trusts |