There is a long list of 307 institutional holders of MTSI within the last two holding periods in our database of 13F filers, so we've sorted through to present to you just the top 50 institutional holders of MTSI by largest to smallest position reported in the institutional investor's latest 13F filing. In the institutional-holders-of-MTSI table below, the initial column indicates the name of each top institutional holder of MTSI, with a link to that fund's top holdings. The next columns indicate the amount of MTSI stock held by each of the institutional holders of MTSI, followed by the MTSI position size held by the institution, and finally the date of the quarterly 13F filing period the holdings data represents for that institution.

Holder	Amount	Position Size ($ in 1000's)	As of
Goldman Sachs Group Inc.		$880,292	12/31/2023
CMN	6,514,000	$801,222	12/31/2023
MTSI	850,676	$79,070	12/31/2023
BlackRock Inc.		$595,438	12/31/2023
MTSI	6,362,665	$591,410	12/31/2023
NOTE 0	3,275,000	$4,028	12/31/2023
Vanguard Group Inc.	5,728,249	$532,441	12/31/2023
MTSI	5,728,249	$532,441	12/31/2023
FMR LLC		$431,756	12/31/2023
MTSI	4,560,350	$423,884	12/31/2023
NOTE 0	6,400,000	$7,872	12/31/2023
T. Rowe Price Investment Management Inc.	2,899,808	$269,538	12/31/2023
MTSI	2,899,808	$269,538	12/31/2023
Invesco Ltd.		$258,552	12/31/2023
MTSI	2,686,342	$249,696	12/31/2023
NOTE 0	7,200,000	$8,856	12/31/2023
Alliancebernstein L.P.	2,631,104	$244,561	12/31/2023
MTSI	2,631,104	$244,561	12/31/2023
State Street Corp	2,260,874	$210,148	12/31/2023
MTSI	2,260,874	$210,148	12/31/2023
JPMorgan Chase & Co.		$184,572	12/31/2023
MTSI	1,977,865	$183,843	12/31/2023
BOND	590,000	$729	12/31/2023
Capital Research Global Investors	1,330,000	$123,624	12/31/2023
MTSI	1,330,000	$123,624	12/31/2023
Neuberger Berman Group LLC	1,302,279	$121,142	12/31/2023
MTSI	1,302,279	$121,142	12/31/2023
Price T Rowe Associates Inc. MD	1,234,684	$114,765	12/31/2023
MTSI	1,234,684	$114,765	12/31/2023
Geode Capital Management LLC	1,223,508	$113,738	12/31/2023
MTSI	1,223,508	$113,738	12/31/2023
GW&K Investment Management LLC	1,194,015	$110,984	12/31/2023
MTSI	1,194,015	$110,984	12/31/2023
Macquarie Group Ltd.	1,105,739	$102,778	12/31/2023
MTSI	1,105,739	$102,778	12/31/2023
Artisan Partners Limited Partnership	1,092,656	$101,562	12/31/2023
MTSI	1,092,656	$101,562	12/31/2023
Janus Henderson Group PLC	1,022,689	$95,060	12/31/2023
MTSI	1,022,689	$95,060	12/31/2023
Dimensional Fund Advisors LP	996,017	$92,584	12/31/2023
MTSI	996,017	$92,584	12/31/2023
Loomis Sayles & Co. L P	835,427	$77,653	12/31/2023
MTSI	835,427	$77,653	12/31/2023
Citadel Advisors LLC		$70,675	12/31/2023
MTSI	770,060	$71,577	12/31/2023
Put	29,800	$2,770	12/31/2023
Call	20,100	$1,868	12/31/2023
Schroder Investment Management Group		$64,943	12/31/2023
MTSI	574,734	$53,422	12/31/2023
NOTE 0	9,367,000	$11,521	12/31/2023
Aristotle Capital Boston LLC	690,122	$64,147	12/31/2023
MTSI	690,122	$64,147	12/31/2023
Northern Trust Corp	684,510	$63,625	12/31/2023
MTSI	684,510	$63,625	12/31/2023
American Century Companies Inc.		$61,244	12/31/2023
MTSI	654,122	$60,801	12/31/2023
NOTE 0	359,000	$443	12/31/2023
Victory Capital Management Inc.	639,279	$59,421	12/31/2023
MTSI	639,279	$59,421	12/31/2023
Franklin Resources Inc.		$50,642	12/31/2023
NOTE 0	41,000,000	$50,635	12/31/2023
MTSI	73	$7	12/31/2023
The Manufacturers Life Insurance Company	539,249	$50,123	12/31/2023
MTSI	539,249	$50,123	12/31/2023
Morgan Stanley		$46,463	12/31/2023
MTSI	440,354	$40,931	12/31/2023
NOTE 0	4,485,000	$5,532	12/31/2023
Bank of New York Mellon Corp	477,990	$45,715	03/31/2024
MTSI	477,990	$45,715	03/31/2024
Norges Bank	476,067	$44,250	12/31/2023
MTSI	476,067	$44,250	12/31/2023
Westfield Capital Management Co. LP	460,052	$42,762	12/31/2023
MTSI	460,052	$42,762	12/31/2023
Charles Schwab Investment Management Inc.	448,448	$41,683	12/31/2023
MTSI	448,448	$41,683	12/31/2023
CSS LLC IL		$37,037	12/31/2023
NOTE 0	30,018,000	$37,037	12/31/2023
TENOR CAPITAL MANAGEMENT Co. L.P.		$35,848	12/31/2023
NOTE 0	29,000,000	$35,848	12/31/2023
Ameriprise Financial Inc.		$34,220	12/31/2023
MTSI	250,631	$23,296	12/31/2023
CONV BND	8,881,000	$10,924	12/31/2023
Jennison Associates LLC	331,005	$30,767	12/31/2023
MTSI	331,005	$30,767	12/31/2023
Frontier Capital Management Co. LLC	323,497	$30,069	12/31/2023
MTSI	323,497	$30,069	12/31/2023
Empyrean Capital Partners LP		$29,095	12/31/2023
NOTE 0	23,500,000	$29,095	12/31/2023
TimesSquare Capital Management LLC	294,465	$27,371	12/31/2023
MTSI	294,465	$27,371	12/31/2023
Barclays PLC		$26,442	12/31/2023
BOND	12,304,000	$15,208	12/31/2023
MTSI	120,870	$11,234	12/31/2023
Analog Century Management LP	283,835	$26,382	12/31/2023
MTSI	283,835	$26,382	12/31/2023
M&G Investment Management Ltd.		$26,048	12/31/2023
NOTE 0	21,177,000	$26,048	12/31/2023
Emerald Advisers LLC	280,095	$26,035	12/31/2023
MTSI	280,095	$26,035	12/31/2023
Sei Investments Co.	260,208	$24,186	12/31/2023
MTSI	260,208	$24,186	12/31/2023
Principal Financial Group Inc.	230,332	$22,029	03/31/2024
MTSI	230,332	$22,029	03/31/2024
Bank of America Corp DE	233,943	$21,745	12/31/2023
MTSI	233,943	$21,745	12/31/2023
Emerald Mutual Fund Advisers Trust	230,080	$21,386	12/31/2023
MTSI	230,080	$21,386	12/31/2023
Silvercrest Asset Management Group LLC	224,337	$20,852	12/31/2023
MTSI	224,337	$20,852	12/31/2023
WCM Investment Management LLC	188,027	$17,983	03/31/2024
MTSI	188,027	$17,983	03/31/2024
New York State Common Retirement Fund	191,754	$17,824	12/31/2023
MTSI	191,754	$17,824	12/31/2023