StockData
MTSINasdaqSemiconductors & Related DevicesFiscal year ends October 3

MACOM Technology Solutions Holdings, Inc.

Financials through Q3 FY2026, quarter ended Jul 3, 2026Last filing: 10-Q on Aug 6, 2026
$265.79+3.55 (+1.35%)

Close on Oct 19, 2026

Market cap
$20.84B
P/E (TTM)
84.9
Dividend yield
–

Ownership

Institutional holdings as of Jun 30, 2026, from 13F filings

Held by institutions
95.9%
73M of 76M shares
Institutional holders
657
188 new, 40 sold out
Net institutional buying
-0M
In Q2 2026
Insider trades, 12 months
0 buys · 183 sales
Net sold $355.67M

Shares held by institutions

Holders of more than 5%

Latest Schedule 13D (active) or 13G (passive) filed by each holder

HolderShares% of classFilingAs of
Abigail P. Johnson8,033,05910.70%13G (passive) amendmentJan 30, 2026
BlackRock, Inc.7,964,29910.40%13G (passive) amendmentJun 30, 2026
Susan M. Ocampo4,884,4906.40%13G (passive) amendmentJun 30, 2026
FMR LLC10,617,76014.10%13G (passive) amendmentMar 31, 2026

Top institutional holders

13F holdings as of Jun 30, 2026

HolderShares% of MTSIValueChange% of portfolio
FMR LLC10,527,14413.78%$4.00B−83,2960.17%
BlackRock, Inc.9,512,89912.46%$3.62B+946,6160.05%
Vanguard Portfolio Management LLC3,605,3244.72%$1.37B+18,2430.06%
Vanguard Capital Management LLC3,064,6834.01%$1.17B+71,8320.02%
T. Rowe Price Investment Management, Inc.2,850,1853.73%$1.08M−1,635,8970.71%
State Street Corp2,262,2422.96%$860.49M+109,4910.03%
Invesco Ltd.2,149,5812.81%$817.64M−1,524,2340.06%
JPMorgan Chase & Co2,125,0912.78%$792.99M+109,4610.04%
Geode Capital Management, LLC1,409,7411.85%$536.34M+50,2070.03%
Wellington Management Group Llp1,205,7111.58%$458.62M−342,3240.08%
Massachusetts Financial Services Co /Ma/1,166,2421.53%$443.58M+337,7940.14%
Capital Research Global Investors1,086,1491.42%$413.14M−136,5230.06%
Norges Bank996,7311.31%$379.13MNew0.04%
Whale Rock Capital Management LLC988,7851.29%$376.10M−186,2063.02%
Price T Rowe Associates Inc /Md/980,1341.28%$372.82K+65,2840.04%
Neuberger Berman Group LLC826,9691.08%$314.39M+38,1500.21%
Goldman Sachs Group Inc812,4211.06%$309.02M+381,6210.03%
Franklin Resources Inc798,8911.05%$303.87M+296,9220.07%
Qube Research & Technologies Ltd790,6781.04%$300.75MNew0.28%
Polar Capital Holdings Plc750,5170.98%$285.47M−180,2610.67%

Institutional buying and selling by quarter

Positions opened, added to, reduced and closed by 13F filers

QuarterHoldersShares held% of sharesNew / addedReduced / closedShares boughtShares sold
Q2 202665773M95.9%188 / 212189 / 4011M11M
Q1 202651574M97.0%106 / 173173 / 4619M12M
Q4 202546175M97.9%91 / 162140 / 5112M8M
Q3 202543071M92.8%69 / 165130 / 5512M7M
Q2 202542066M86.9%81 / 183105 / 408M5M
Q1 202538564M83.6%58 / 170110 / 567M5M
Q4 202438662M81.7%85 / 120117 / 305M7M
Q3 202433964M83.8%59 / 115114 / 6212M6M
Q2 202434563M82.2%70 / 105120 / 258M8M
Q1 202430363M82.5%39 / 101111 / 326M3M
Q4 202329660M79.0%50 / 97111 / 247M3M
Q3 202327457M74.0%52 / 9089 / 426M4M

Top mutual fund and ETF holders

Latest monthly portfolio reports (Form N-PORT)

FundShares% of MTSIValue% of fundAs of
Select Semiconductors Portfolio3,808,5644.99%$1.39B2.70%May 31, 2026
iShares Core S&P Mid-Cap ETF2,245,4202.94%$854.09M0.69%Jun 30, 2026
Vanguard Total Stock Market Index Fund2,179,8662.85%$829.16M0.04%Jun 30, 2026
Vanguard Small-Cap Index Fund1,574,8062.06%$599.01M0.32%Jun 30, 2026
iShares Semiconductor ETF1,475,6741.93%$561.30M1.17%Jun 30, 2026
T. Rowe Price Mid-Cap Growth Fund, Inc.1,185,4571.55%$450.91M1.96%Jun 30, 2026
SMALLCAP World Fund Inc1,057,2631.38%$402.15M0.43%Jun 30, 2026
Vanguard Small-Cap Growth Index Fund907,8331.19%$345.31M0.73%Jun 30, 2026
Fidelity OTC Portfolio858,7001.12%$215.91M0.50%Jul 31, 2026
iShares A.I. Innovation and Tech Active ETF827,8461.08%$208.15M1.61%Jul 31, 2026
Vanguard Explorer Fund823,0411.08%$206.95M0.94%Jul 31, 2026
Vanguard Information Technology Index Fund763,7321.00%$278.49M0.16%May 31, 2026
Vanguard Extended Market Index Fund752,2650.99%$286.14M0.29%Jun 30, 2026
Fidelity Advisor Semiconductors Fund592,6920.78%$149.03M2.07%Jul 31, 2026
Strategic Advisers Fidelity U.S. Total Stock Fund533,0810.70%$194.38M0.08%May 31, 2026

Officers, directors and major owners

People who filed Forms 3, 4 or 5 in the last two years

NameRoleShares owned% of sharesLatest filing
Stephen G. DalyPresident and CEO, Director49,2130.06%Jun 2, 2026
Robert DennehySenior VP and COO12,7580.02%Sep 1, 2026
John KoberSenior VP and CFO33,5830.04%Aug 19, 2026
Donghyun Thomas HwangSVP, Global Sales32,1760.04%Jun 29, 2026
Ambra R. RothSVP, GC and Secretary11,9630.02%Nov 21, 2025
Wayne Mack StrubleSVP, Advanced Semiconductor29,3840.04%Nov 10, 2025
Murugesan ShanmugarajDirector5,2140.01%May 21, 2026
Charles R. BlandDirector13,6380.02%May 20, 2026
Peter Y. ChungDirector6,7810.01%May 18, 2026
Geoffrey G. RibarDirector12,5630.02%May 13, 2026
Bryan IngramDirector1,7470.00%Mar 10, 2026
Jihye Whang RosenbandDirector7,1650.01%Mar 10, 2026
John RitchieDirector9,4660.01%Mar 10, 2026
Susan Ocampo10% owner7,275,8609.53%Feb 26, 2026

Insider trades

Common stock transactions reported on Form 4, newest first

InsiderDateTransactionSharesPriceValueShares after
Robert Dennehy
Senior VP and COO
Aug 28, 2026Sale(10b5-1 plan)−252$275.20$69.35K12,758
John Kober
Senior VP and CFO
Aug 17, 2026Sale(10b5-1 plan)−400$330.67$132.27K33,583
John Kober
Senior VP and CFO
Aug 17, 2026Sale(10b5-1 plan)−400$323.97$129.59K38,982
John Kober
Senior VP and CFO
Aug 17, 2026Sale(10b5-1 plan)−900$325.26$292.73K38,082
John Kober
Senior VP and CFO
Aug 17, 2026Sale(10b5-1 plan)−500$326.51$163.26K37,582
John Kober
Senior VP and CFO
Aug 17, 2026Sale(10b5-1 plan)−1,699$327.78$556.90K35,883
John Kober
Senior VP and CFO
Aug 17, 2026Sale(10b5-1 plan)−1,600$328.78$526.05K34,283
John Kober
Senior VP and CFO
Aug 17, 2026Sale(10b5-1 plan)−300$329.75$98.93K33,983
John Kober
Senior VP and CFO
Aug 17, 2026Sale(10b5-1 plan)−1,590$320.57$509.71K39,382
Donghyun Thomas Hwang
SVP, Global Sales
Jun 25, 2026Sale(10b5-1 plan)−100$369.99$37.00K32,176
Donghyun Thomas Hwang
SVP, Global Sales
Jun 25, 2026Sale(10b5-1 plan)−100$367.30$36.73K32,276
Donghyun Thomas Hwang
SVP, Global Sales
Jun 25, 2026Sale(10b5-1 plan)−200$375.34$75.07K31,976
Donghyun Thomas Hwang
SVP, Global Sales
Jun 25, 2026Sale(10b5-1 plan)−100$379.80$37.98K31,876
Donghyun Thomas Hwang
SVP, Global Sales
Jun 25, 2026Sale(10b5-1 plan)−100$391.94$39.19K29,756
Donghyun Thomas Hwang
SVP, Global Sales
Jun 25, 2026Sale(10b5-1 plan)−291$389.74$113.41K29,856
Donghyun Thomas Hwang
SVP, Global Sales
Jun 25, 2026Sale(10b5-1 plan)−400$388.65$155.46K30,147
Donghyun Thomas Hwang
SVP, Global Sales
Jun 25, 2026Sale(10b5-1 plan)−200$387.25$77.45K30,547
Donghyun Thomas Hwang
SVP, Global Sales
Jun 25, 2026Sale(10b5-1 plan)−400$386.62$154.65K30,747
Donghyun Thomas Hwang
SVP, Global Sales
Jun 25, 2026Sale(10b5-1 plan)−9$384.35$3.46K31,147
Donghyun Thomas Hwang
SVP, Global Sales
Jun 25, 2026Sale(10b5-1 plan)−300$382.91$114.87K31,156
Donghyun Thomas Hwang
SVP, Global Sales
Jun 25, 2026Sale(10b5-1 plan)−420$382.04$160.46K31,456
Stephen G. Daly
President and CEO, Director
May 29, 2026Sale(10b5-1 plan)−904$362.02$327.27K49,213
Stephen G. Daly
President and CEO, Director
May 29, 2026Sale(10b5-1 plan)−1,500$358.44$537.66K52,717
Stephen G. Daly
President and CEO, Director
May 29, 2026Sale(10b5-1 plan)−2,200$359.37$790.61K50,517
Stephen G. Daly
President and CEO, Director
May 29, 2026Sale(10b5-1 plan)−400$360.49$144.20K50,117
Stephen G. Daly
President and CEO, Director
May 29, 2026Sale(10b5-1 plan)−400$391.07$156.43K38,389
Stephen G. Daly
President and CEO, Director
May 29, 2026Sale(10b5-1 plan)−2,429$362.94$881.58K46,784
Stephen G. Daly
President and CEO, Director
May 29, 2026Sale(10b5-1 plan)−2,075$363.87$755.03K44,709
Stephen G. Daly
President and CEO, Director
May 29, 2026Sale(10b5-1 plan)−2,820$364.89$1.03M41,889
Stephen G. Daly
President and CEO, Director
May 29, 2026Sale(10b5-1 plan)−300$366.46$109.94K41,589
Stephen G. Daly
President and CEO, Director
May 29, 2026Sale(10b5-1 plan)−600$367.95$220.77K40,989
Stephen G. Daly
President and CEO, Director
May 29, 2026Sale(10b5-1 plan)−300$369.38$110.81K40,689
Stephen G. Daly
President and CEO, Director
May 29, 2026Sale(10b5-1 plan)−300$374.09$112.23K40,389
Stephen G. Daly
President and CEO, Director
May 29, 2026Sale(10b5-1 plan)−200$375.10$75.02K40,189
Stephen G. Daly
President and CEO, Director
May 29, 2026Sale(10b5-1 plan)−149$389.40$58.02K38,789
Stephen G. Daly
President and CEO, Director
May 29, 2026Sale(10b5-1 plan)−551$388.38$214.00K38,938
Stephen G. Daly
President and CEO, Director
May 29, 2026Sale(10b5-1 plan)−100$386.46$38.65K39,489
Stephen G. Daly
President and CEO, Director
May 29, 2026Sale(10b5-1 plan)−100$382.60$38.26K39,589
Stephen G. Daly
President and CEO, Director
May 29, 2026Sale(10b5-1 plan)−100$380.98$38.10K39,689
Stephen G. Daly
President and CEO, Director
May 29, 2026Sale(10b5-1 plan)−400$378.86$151.54K39,789
Murugesan Shanmugaraj
Director
May 19, 2026Gift−1,400––5,214
Charles R. Bland
Director
May 19, 2026Gift−300––13,638
Donghyun Thomas Hwang
SVP, Global Sales
May 18, 2026Sale(10b5-1 plan)−100$377.70$37.77K32,471
Donghyun Thomas Hwang
SVP, Global Sales
May 18, 2026Sale(10b5-1 plan)−100$369.06$36.91K32,571
Donghyun Thomas Hwang
SVP, Global Sales
May 18, 2026Sale(10b5-1 plan)−200$367.50$73.50K32,671
Donghyun Thomas Hwang
SVP, Global Sales
May 18, 2026Sale(10b5-1 plan)−100$364.93$36.49K32,871
Donghyun Thomas Hwang
SVP, Global Sales
May 18, 2026Sale(10b5-1 plan)−100$362.89$36.29K32,971
Donghyun Thomas Hwang
SVP, Global Sales
May 18, 2026Sale(10b5-1 plan)−500$360.38$180.19K33,071
Donghyun Thomas Hwang
SVP, Global Sales
May 18, 2026Sale(10b5-1 plan)−300$358.84$107.65K33,571
Donghyun Thomas Hwang
SVP, Global Sales
May 18, 2026Sale(10b5-1 plan)−500$356.68$178.34K33,871
Donghyun Thomas Hwang
SVP, Global Sales
May 18, 2026Sale(10b5-1 plan)−300$355.06$106.52K34,371
Donghyun Thomas Hwang
SVP, Global Sales
May 18, 2026Sale(10b5-1 plan)−95$381.23$36.22K32,376
Donghyun Thomas Hwang
SVP, Global Sales
May 18, 2026Sale(10b5-1 plan)−300$353.32$106.00K34,671
Charles R. Bland
Director
May 18, 2026Gift−400––13,938
John Kober
Senior VP and CFO
May 18, 2026Sale(10b5-1 plan)−200$377.70$75.54K40,972
John Kober
Senior VP and CFO
May 18, 2026Sale(10b5-1 plan)−400$367.79$147.12K41,172
John Kober
Senior VP and CFO
May 18, 2026Sale(10b5-1 plan)−400$365.68$146.27K41,572
John Kober
Senior VP and CFO
May 18, 2026Sale(10b5-1 plan)−537$364.55$195.76K41,972
John Kober
Senior VP and CFO
May 18, 2026Sale(10b5-1 plan)−363$362.96$131.75K42,509
John Kober
Senior VP and CFO
May 18, 2026Sale(10b5-1 plan)−300$361.61$108.48K42,872

Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.

Planned insider sales

Notices of proposed sale filed on Form 144 before shares are sold

SellerFiledSharesMarket valuePlanned saleAcquired through
Roth Ambra
Officer
Oct 1, 2026653$185.99KOct 1, 2026Restricted Stock Units
Dennehy Robert
Officer
Aug 28, 2026252$69.84KAug 28, 2026Employee Stock Purchase Plan
Daly Stephen
Director, Officer
May 29, 202615,828$6.19MMay 29, 2026Performance Stock Units
Susan Ocampo
Owner
May 26, 2026190,787$78.26MMay 26, 2026Founder Shares
F. Kober Ill John
Officer
May 18, 202615,033$5.65MMay 18, 2026Performance Stock Units
Chung Peter
Director
May 14, 202643,268$16.36MMay 14, 2026Restricted Stock
Susan Ocampo
Owner
May 13, 2026100,000$38.02MMay 13, 2026Founder Shares
Bland Charles
Director
May 12, 2026800$286.75KMay 12, 2026RSU Vest
Ribar Geoffrey
Director
May 11, 20261,623$587.27KMay 11, 2026Restricted Stock
Susan Ocampo
Owner
May 11, 2026200,000$72.19MMay 11, 2026Founder Shares
Susan Ocampo
Owner
May 8, 202624,530$8.83MMay 8, 2026Founder Shares
Susan Ocampo
Owner
May 7, 2026400,000$132.66MMay 7, 2026Founder Shares
Susan Ocampo
Owner
May 6, 2026176,663$54.53MMay 6, 2026Founder Shares
Thomas Hwang Donghyun
Officer
Apr 30, 20268,933$2.41MApr 30, 2026Performance Stock Units
Susan Ocampo
Owner
Apr 24, 2026100,000$29.02MApr 24, 2026Founder Shares