Silicon Motion Technology SIMO Institutional Ownership

NASDAQ SIMO

$258.36 +8.71 (+3.49%)

At close: Aug 21, 2026 · 4:00 PM EDT

Institutions by Trading Activity

271 Institutions

Increased 151 55.7%

Unchanged 27 10.0%

Reduced 93 34.3%

Ownership Statistics

13F · as of 31 Mar, 2026

Institutional Ownership

20.18%

▼-0.17 pp QoQ

Shares Held by Institutions

27.10Mn

of 134.31Mn outstanding

▲+4.03% QoQ

Shares Outstanding

134.31Mn

107.21Mn held outside 13F filers

Institutional Investors

271

filed 13F for Mar 2026

▲+34 vs prior quarter

Net Shares Added (QoQ)

+1.05Mn

accumulated since last quarter

Value of Holdings

$6.82Bn

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

Silicon Motion Technology CORP (NASDAQ:SIMO) has 271 institutional investors with active 13F positions as of March 2026.

These investors held 20.2% of outstanding shares in March 2026, down from 20.4% in December 2025.
They increased total shares held in SIMO by 4.03% quarter over quarter, and investors in Silicon Motion Technology increased 40.41% from a year ago.
Of these 271 funds, 151 grew their exposure to Silicon Motion Technology, 93 cut back, and 27 maintained positions.
The aggregate institutional position in Silicon Motion Technology amounted to 27.1Mn shares as of March 2026, up by 1.05Mn shares quarter on quarter, and down 1.04Mn shares year over year.
FMR LLC leads ownership in SIMO with 3.4Mn shares as of March 31, 2026, equal to 2.53% of outstanding shares.
Leading buyers of Silicon Motion Technology shares for the quarter ending March 2026 were Analog Century Management LP (538.75K), HAWK RIDGE CAPITAL MANAGEMENT LP (385.57K), VOYA INVESTMENT MANAGEMENT LLC (381.85K), Qube Research & Technologies Ltd (256.13K), MILLENNIUM MANAGEMENT LLC (248.76K).
Leading sellers of Silicon Motion Technology shares for the quarter ending March 2026 were Pertento Partners LLP (738.88K), WELLINGTON MANAGEMENT GROUP LLP (392.71K), ADAGE CAPITAL PARTNERS GP, L.L.C. (316.98K), REINHART PARTNERS, LLC. (259.32K), FRONTIER CAPITAL MANAGEMENT CO LLC (239.12K).
Per Business Quant, the top 10 investors in SIMO for the quarter ending March 2026 include FMR LLC (3.4Mn), REINHART PARTNERS, LLC. (1.31Mn), ACADIAN ASSET MANAGEMENT LLC (1.29Mn), HAWK RIDGE CAPITAL MANAGEMENT LP (1.17Mn), LORD, ABBETT & CO. LLC (962.14K), LAZARD ASSET MANAGEMENT LLC (781.98K), Robeco Institutional Asset Management B.V. (631.58K), Wolf Hill Capital Management, LP (580.85K), Man Group plc (560.1K), Analog Century Management LP (538.75K).

Form 13F Holdings

271 Institutional Holders

Report period 31 Mar, 2026

Total shares held 27.10Mn

Of outstanding 20.18%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	FMR LLC	0000315066	3,398,367	2.53%	0	0.00%	$381.60Mn
2	REINHART PARTNERS, LLC.	0001080298	1,314,039	0.98%	▼259,316	-16.48%	$147.56Mn
3	ACADIAN ASSET MANAGEMENT LLC	0000916542	1,293,710	0.96%	▲14,623	+1.14%	$145.23K
4	HAWK RIDGE CAPITAL MANAGEMENT LP	0001609074	1,173,315	0.87%	▲385,568	+48.95%	$131.75Mn
5	LORD, ABBETT & CO. LLC	0000728100	962,139	0.72%	▼32,838	-3.30%	$108.04K
6	LAZARD ASSET MANAGEMENT LLC	0001207017	781,981	0.58%	▲23,403	+3.09%	$87.81Mn
7	Robeco Institutional Asset Management B.V.	0001418773	631,581	0.47%	▲7,628	+1.22%	$70.92Mn
8	Wolf Hill Capital Management, LP	0001785988	580,852	0.43%	▼518	-0.09%	$65.22Mn
9	Man Group plc	0001637460	560,103	0.42%	▲179,055	+46.99%	$62.89Mn
10	Analog Century Management LP	0001753384	538,748	0.40%	▲538,748	0.00%	$60.50Mn
11	DRIEHAUS CAPITAL MANAGEMENT LLC	0000938206	509,975	0.38%	▲190,351	+59.55%	$57.27Mn
12	SYSTEMATIC FINANCIAL MANAGEMENT LP	0001085936	506,725	0.38%	▼76,101	-13.06%	$56.90Mn
13	SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC	0001638555	456,375	0.34%	▼78,557	-14.69%	$51.25Mn
14	Kite Lake Capital Management (UK) LLP	0001687444	452,574	0.34%	▼3,697	-0.81%	$50.82Mn
15	HIGHLAND PEAK CAPITAL, LLC	0001961320	444,515	0.33%	▼52,109	-10.49%	$49.91Mn
16	NEUMEIER POMA INVESTMENT COUNSEL LLC	0001044936	428,188	0.32%	▼53,630	-11.13%	$48.08Mn
17	ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	0001164508	425,697	0.32%	▲225,221	+112.34%	$47.80Mn
18	Invesco Ltd.	0000914208	418,285	0.31%	▼213,820	-33.83%	$46.97Mn
19	Pertento Partners LLP	0001894571	412,536	0.31%	▼738,875	-64.17%	$46.32Mn
20	MILLENNIUM MANAGEMENT LLC	0001273087	395,789	0.29%	▲248,759	+169.19%	$44.44Mn

Showing 1 to 20 of 271 holders