MACOM Technology Solutions Holdings MTSI Institutional Ownership

NASDAQ MTSI

$266.61 +0.43 (+0.16%)

At close: Aug 21, 2026 · 4:00 PM EDT

Institutions by Trading Activity

506 Institutions

Increased 277 54.7%

Unchanged 62 12.3%

Reduced 167 33.0%

Ownership Statistics

13F · as of 31 Mar, 2026

Institutional Ownership

99.82%

▲+1.07 pp QoQ

Shares Held by Institutions

74.69Mn

of 74.82Mn outstanding

▲+15.22% QoQ

Shares Outstanding

74.82Mn

131.12K held outside 13F filers

Institutional Investors

506

filed 13F for Mar 2026

▲+57 vs prior quarter

Net Shares Added (QoQ)

+9.87Mn

accumulated since last quarter

Value of Holdings

$21.88Bn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Quarter ending 31 Mar, 2026

MACOM Technology Solutions Holdings, Inc. (NASDAQ:MTSI) appears in 506 institutional 13F filings for the quarter ending March 2026.

They owned 99.8% of outstanding stock in March 2026, up from 98.8% the prior quarter.
They increased total shares held in MACOM Technology Solutions Holdings by 15.22% from the prior quarter, while the number of investors in MTSI increased 30.75% year over year.
During the quarter, 277 of these 506 funds increased positions in MTSI, 167 reduced exposure, and 62 held steady.
The aggregate institutional position in MACOM Technology Solutions Holdings amounted to 74.69Mn shares as of March 2026, up by 9.87Mn shares quarter on quarter, and up 4.78Mn shares year over year.
As of March 31, 2026, the biggest holder of MACOM Technology Solutions Holdings is FMR LLC at 10.61Mn shares, representing 14.18% of shares outstanding.
Leading buyers of MACOM Technology Solutions Holdings shares for the quarter ending March 2026 were FMR LLC (4.13Mn), VANGUARD PORTFOLIO MANAGEMENT LLC (3.59Mn), VANGUARD CAPITAL MANAGEMENT LLC (2.99Mn), BlackRock, Inc. (1.04Mn), Polar Capital Holdings Plc (930.78K).
Leading sellers of MACOM Technology Solutions Holdings shares for the quarter ending March 2026 were T. Rowe Price Investment Management, Inc. (3.75Mn), Goldman Sachs Group Inc (629.91K), Point72 Asset Management, L.P. (425.92K), FengHe Fund Management Pte. Ltd. (418.8K), DIMENSIONAL FUND ADVISORS LP (417.99K).
Per Business Quant data, the top 10 holders of MACOM Technology Solutions Holdings for the quarter ending March 2026 are FMR LLC (10.61Mn), BlackRock, Inc. (8.57Mn), T. Rowe Price Investment Management, Inc. (4.49Mn), Invesco Ltd. (3.67Mn), VANGUARD PORTFOLIO MANAGEMENT LLC (3.59Mn), VANGUARD CAPITAL MANAGEMENT LLC (2.99Mn), State Street Corp (2.15Mn), Jpmorgan Chase & Co (2.02Mn), Janus Henderson Group Plc (1.57Mn), WELLINGTON MANAGEMENT GROUP LLP (1.55Mn).

Form 13F Holdings

506 Institutional Holders

Report period 31 Mar, 2026

Total shares held 74.69Mn

Of outstanding 99.82%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	FMR LLC	0000315066	10,610,440	14.18%	▲4,129,789	+63.72%	$2.36Bn
2	BlackRock, Inc.	0002012383	8,566,283	11.45%	▲1,041,347	+13.84%	$1.90Bn
3	T. Rowe Price Investment Management, Inc.	0001897612	4,486,082	6.00%	▼3,749,799	-45.53%	$996.23K
4	Invesco Ltd.	0000914208	3,673,815	4.91%	▲249,245	+7.28%	$815.84Mn
5	VANGUARD PORTFOLIO MANAGEMENT LLC	0002100121	3,587,081	4.79%	▲3,587,081	0.00%	$796.58Mn
6	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	2,992,851	4.00%	▲2,992,851	0.00%	$664.62Mn
7	State Street Corp	0000093751	2,152,751	2.88%	▲34,084	+1.61%	$478.06Mn
8	Jpmorgan Chase & Co	0000019617	2,015,630	2.69%	▲909,287	+82.19%	$422.25Mn
9	Janus Henderson Group Plc	0001274173	1,568,236	2.10%	▲889,150	+130.93%	$348.22Mn
10	WELLINGTON MANAGEMENT GROUP LLP	0000902219	1,548,035	2.07%	▲532,466	+52.43%	$343.77Mn
11	GEODE CAPITAL MANAGEMENT, LLC	0001214717	1,359,534	1.82%	▲92,431	+7.29%	$301.98Mn
12	Capital Research Global Investors	0001422848	1,222,672	1.63%	▼114,042	-8.53%	$271.52Mn
13	Whale Rock Capital Management LLC	0001387322	1,174,991	1.57%	▲391,686	+50.00%	$260.93Mn
14	Artisan Partners Limited Partnership	0001466153	1,047,159	1.40%	▼199,564	-16.01%	$232.54Mn
15	Polar Capital Holdings Plc	0001837309	930,778	1.24%	▲930,778	0.00%	$206.70Mn
16	PRICE T ROWE ASSOCIATES INC /MD/	0000080255	914,850	1.22%	▲914,850	0.00%	$203.16K
17	GW&K Investment Management, LLC	0001082917	839,062	1.12%	▼378,873	-31.11%	$186.33K
18	MASSACHUSETTS FINANCIAL SERVICES CO /MA/	0000912938	828,448	1.11%	▲360,651	+77.10%	$183.97Mn
19	UBS Group AG	0001610520	809,410	1.08%	▼100,389	-11.03%	$179.75Mn
20	ALLIANCEBERNSTEIN L.P.	0001109448	789,042	1.05%	▼274,328	-25.80%	$135.15Mn

Showing 1 to 20 of 506 holders