MACOM Technology Solutions Holdings MTSI Institutional Ownership

NASDAQ MTSI

$271.39 -19.94 (-6.84%)

At close: Oct 15, 2026 · 4:00 PM EDT

Institutions by Trading Activity

651 Institutions

Increased 396 60.8%

Unchanged 67 10.3%

Reduced 188 28.9%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

95.81%

▼-2.90 pp QoQ

Shares Held by Institutions

73.10Mn

of 76.30Mn outstanding

▼-1.28% QoQ

Shares Outstanding

76.30Mn

3.20Mn held outside 13F filers

Institutional Investors

651

filed 13F for Jun 2026

▲+140 vs prior quarter

Net Shares Added (QoQ)

-947.34K

distributed since last quarter

Value of Holdings

$21.30Bn

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

Updated Oct 11, 2026

MACOM Technology Solutions Holdings, Inc. (NASDAQ:MTSI) appeared in the 13F filings of 651 institutional investors for the quarter ended June 30, 2026.

These investors held 95.81% of outstanding shares in Q2 2026, down from 98.71% the quarter before.
Total shares held in MACOM Technology Solutions Holdings fell 1.28% versus Q1 2026, while the number of holders rose 56.49% versus Q2 2025.
Of the 651 holders of MTSI in Q2 2026, 396 added to their positions, 188 reduced their stakes and 67 left their positions unchanged.
Institutional investors held 73.1Mn shares of MACOM Technology Solutions Holdings in total at the end of Q2 2026, down 947.34K from the prior quarter and up 8.68Mn from a year earlier.
FMR LLC led 13F holders of MTSI with 10.53Mn shares as of June 30, 2026, or 13.80% of shares outstanding.
Holders that added the most shares of MACOM Technology Solutions Holdings in Q2 2026 were BlackRock, Inc. (+946.62K shares), Jane Street Group, LLC (+532.21K shares), Goldman Sachs Group Inc (+381.62K shares), Massachusetts Financial Services Co (+337.79K shares) and Franklin Templeton Inc (+296.92K shares).
Among holders that kept a stake in MACOM Technology Solutions Holdings, the biggest sellers in Q2 2026 were T. Rowe Price Investment Management, Inc. (-1.64Mn shares), Invesco Ltd. (-1.52Mn shares), Citadel Advisors LLC (-546.87K shares), UBS Group AG (-419.46K shares) and Artisan Partners Limited Partnership (-419.31K shares).
Business Quant data shows the 10 biggest positions in MACOM Technology Solutions Holdings as of Q2 2026 were held by FMR LLC (10.53Mn shares), BlackRock, Inc. (9.51Mn shares), Vanguard Portfolio Management LLC (3.61Mn shares), Vanguard Capital Management LLC (3.06Mn shares), T. Rowe Price Investment Management, Inc. (2.85Mn shares), State Street Corp (2.26Mn shares), Invesco Ltd. (2.15Mn shares), JPMorgan Chase & Co (2.13Mn shares), Geode Capital Management, LLC (1.41Mn shares) and Wellington Management Group LLP (1.21Mn shares).

Form 13F Holdings

651 Institutional Holders

Report period 30 Jun, 2026

Total shares held 73.10Mn

Of outstanding 95.81%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	FMR LLC	0000315066	10,527,144	13.80%	▼83,296	-0.79%	$4.00Bn
2	BlackRock, Inc.	0002012383	9,512,899	12.47%	▲946,616	+11.05%	$3.62Bn
3	VANGUARD PORTFOLIO MANAGEMENT LLC	0002100121	3,605,324	4.73%	▲18,243	+0.51%	$1.37Bn
4	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	3,064,683	4.02%	▲71,832	+2.40%	$1.17Bn
5	T. Rowe Price Investment Management, Inc.	0001897612	2,850,185	3.74%	▼1,635,897	-36.47%	$1.08Mn
6	State Street Corp	0000093751	2,262,242	2.97%	▲109,491	+5.09%	$860.49Mn
7	Invesco Ltd.	0000914208	2,149,581	2.82%	▼1,524,234	-41.49%	$817.64Mn
8	Jpmorgan Chase & Co	0000019617	2,125,091	2.79%	▲109,461	+5.43%	$792.99Mn
9	GEODE CAPITAL MANAGEMENT, LLC	0001214717	1,409,741	1.85%	▲50,207	+3.69%	$536.34Mn
10	WELLINGTON MANAGEMENT GROUP LLP	0000902219	1,205,711	1.58%	▼342,324	-22.11%	$458.62Mn
11	MASSACHUSETTS FINANCIAL SERVICES CO /MA/	0000912938	1,166,242	1.53%	▲337,794	+40.77%	$443.58Mn
12	Capital Research Global Investors	0001422848	1,086,149	1.42%	▼136,523	-11.17%	$413.14Mn
13	NORGES BANK	0001374170	996,731	1.31%	▲996,731	0.00%	$379.13Mn
14	Whale Rock Capital Management LLC	0001387322	988,785	1.30%	▼186,206	-15.85%	$376.10Mn
15	PRICE T ROWE ASSOCIATES INC /MD/	0000080255	980,134	1.28%	▲65,284	+7.14%	$372.82K
16	Neuberger Berman Group LLC	0001465109	826,969	1.08%	▲38,150	+4.84%	$314.39Mn
17	Goldman Sachs Group Inc	0000886982	812,421	1.06%	▲381,621	+88.58%	$309.02Mn
18	Franklin Templeton Inc	0000038777	798,891	1.05%	▲296,922	+59.15%	$303.87Mn
19	Qube Research & Technologies Ltd	0001729829	790,678	1.04%	▲790,678	0.00%	$300.75Mn
20	Polar Capital Holdings Plc	0001837309	750,517	0.98%	▼180,261	-19.37%	$285.47Mn

Showing 1 to 20 of 651 holders