Comparable stake leader
FMR LLC
SEC ownership of MACOM Technology Solutions Holdings, Inc.
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001493594.
Disclosed value leader
FMR LLC
Comparable rows
50/50
Latest evidence
17 Aug 2026
- Public ticker
- MTSI on Nasdaq
- Parsed ownership sources
-
13F, 13D/G, and 3/4/5
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
FMR LLC
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
50 of 50
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
FMR LLC
Source: Latest parsed Schedule 13D/G stake
- Latest parsed ownership date
-
17 Aug 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0001493594
- Issuer location
- Lowell, MA
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 MACOM Technology Solutions Holdings, Inc. (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
FMR LLC
Disclosed value leader
FMR LLC
Comparable rows
50/50
Latest evidence
17 Aug 2026
13F
13D/G
3/4/5
Lead comparable stake: 14%
13D/G row: FMR LLC
Showing 1-8 of 50 holder rows.
Quick read
FMR LLC leads the comparable SEC ownership view at 14%.
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 FMR LLC's linked filing trail.
Comparable ownership
Top 5
FMR LLC
14%
BlackRock, Inc.
10%
Susan Ocampo
6.4%
Invesco Ltd.
4.9%
PRICE T ROWE ASSOCIATES INC /MD/
4.3%
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 |
|---|---|---|---|---|---|
| FMR LLC |
13F
13D/G
Company
|
14%
from 13D/G
|
$4,004,209,656
10,527,144 shares
|
— | 30 Jun 2026 |
| BlackRock, Inc. |
13F
13D/G
Company
|
10%
from 13D/G
|
$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%
|
$1,857,913,461
4,884,490 shares
|
-$729,133,155 | 30 Jun 2026 |
| Invesco Ltd. |
13F
13D/G
Company
|
4.9%
from 13D/G
|
$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%
from 13D/G
|
$372,815,000
980,134 shares
|
— | 30 Jun 2026 |
| T. Rowe Price Investment Management, Inc. |
13F
13D/G
Company
|
3.7%
from 13D/G
|
$1,084,125,000
2,850,185 shares
|
— | 30 Jun 2026 |
| Stephen G. Daly |
3/4/5
President and CEO, Director
|
0.05%
|
$15,012,786
38,389 shares
|
-$12,766,804 | 29 May 2026 |
| John Kober |
3/4/5
Senior VP and CFO
|
0.04%
|
$11,104,890
33,583 shares
|
-$7,985,081 | 17 Aug 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: -$531,126,213.
Buys
$0
Insiders: 0
Sells
$531,126,213
Insiders: 11
Net
-$531,126,213
Shares: -2,983,017
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 0
Shares: 2,983,017
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 25,837 | $0 | $9,204,255 | -$9,204,255 |
| 3-6 | 0 | 397,135 | $0 | $107,430,076 | -$107,430,076 |
| 6-9 | 0 | 744,998 | $0 | $160,100,903 | -$160,100,903 |
| 9-12 | 0 | 1,815,047 | $0 | $254,390,979 | -$254,390,979 |
Reporting owners
Insider holders from Forms 3/4/5
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.
Rows
17
Largest Forms 3/4/5 holder
Susan Ocampo
Net 12M change
-$528,716,790
Latest report
17 Aug 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Susan Ocampo | 10%+ Owner | $1,606,690,617 | -$474,392,228 | -23% | 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 | $15,012,786 | -$12,766,804 | -46% | Filing P/S | 29 May 2026 |
| Donghyun Thomas Hwang | SVP, Global Sales | $11,662,566 | -$5,584,734 | -32% | Filing P/S | 25 Jun 2026 |
| John Kober | Senior VP and CFO | $11,104,890 | -$7,985,081 | -42% | Filing P/S | 17 Aug 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 |
| 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 |
| Robert Dennehy | Senior VP and COO | $2,889,130 | -$5,726,273 | -66% | Mixed | 15 May 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 | -$199,048 | -10% | Mixed | 06 Mar 2026 |
| Ambra R. Roth | SVP, GC and Secretary | $1,610,513 | -$2,778,652 | -63% | Filing P/S | 19 Nov 2025 |
| 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 |
Recent insider transactions for MACOM Technology Solutions Holdings, Inc.
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 |
|---|---|---|---|---|---|---|---|---|---|---|
| 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 |
| Susan Ocampo | MTSI | Common Stock | Sale | -0.09% | $750,780 | $180.00 | -4,171 | 4,774,152 | 02 Dec 2025 | By Ocampo Family Trusts |
| Stephen G. Daly | MTSI | Common Stock | Sale | -27% | $3,463,111 | $173.16 | -20,000 | 54,217 | 01 Dec 2025 | Direct |
| Robert Dennehy | MTSI | Common Stock | Award | 4.1% | 1,232 | 31,262 | 25 Nov 2025 | Direct | ||
| Charles R. Bland | MTSI | Common Stock | Sale | -20.7% | $660,000 | $165.00 | -4,000 | 15,362 | 24 Nov 2025 | Direct |
| Donghyun Thomas Hwang | MTSI | Common Stock | Gift | -3.02% | -1,500 | 48,250 | 20 Nov 2025 | Direct | ||
| Ambra R. Roth | MTSI | Common Stock | Sale | -63.7% | $2,778,652 | $160.91 | -17,268 | 9,837 | 19 Nov 2025 | Direct |
| Donghyun Thomas Hwang | MTSI | Common Stock | Sale | -7.08% | $610,383 | $161.09 | -3,789 | 49,750 | 19 Nov 2025 | Direct |
* marks a reported price that did not pass the local price check.