Silicon Motion Technology SIMO Institutional Ownership

NASDAQ SIMO

$284.48 +19.23 (+7.25%)

At close: Sep 11, 2026 · 4:00 PM EDT

Institutions by Trading Activity

381 Institutions

Increased 223 58.5%

Unchanged 27 7.1%

Reduced 131 34.4%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

72.41%

▼-8.37 pp QoQ

Shares Held by Institutions

24.31Mn

of 33.58Mn outstanding

▼-6.29% QoQ

Shares Outstanding

33.58Mn

9.26Mn held outside 13F filers

Institutional Investors

381

filed 13F for Jun 2026

▲+108 vs prior quarter

Net Shares Added (QoQ)

-1.63Mn

distributed since last quarter

Value of Holdings

$6.92Bn

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 30 Jun, 2026

Silicon Motion Technology CORP (NASDAQ:SIMO) is held by 381 institutional investors per 13F filings through June 2026.

These investors collectively held 72.4% of Silicon Motion Technology's outstanding shares in June 2026, down from 80.8% in March 2026.
They decreased total shares held in Silicon Motion Technology by -6.29% from last quarter, and the number of investors in SIMO increased 79.72% annually.
Of these 381 holders, 223 added to their stakes in Silicon Motion Technology, 131 trimmed positions, and 27 made no changes.
Institutional investors collectively held 24.31Mn shares in Silicon Motion Technology as of June 2026, down by 1.63Mn shares quarter on quarter, and down 4.38Mn shares year over year.
FMR LLC is the top holder of Silicon Motion Technology as of June 30, 2026, with 2.28Mn shares representing 6.78% of outstanding stock.
Top purchasers of SIMO stock for the quarter ending June 2026 included ALKEON CAPITAL MANAGEMENT LLC (1.1Mn), Polar Capital Holdings Plc (931.38K), Invesco Ltd. (724.15K), TWO SIGMA INVESTMENTS, LP (426.53K), D. E. Shaw & Co., Inc. (363.1K).
The largest sales of SIMO for the quarter ending June 2026 came from FMR LLC (1.12Mn), LORD, ABBETT & CO. LLC (584.24K), Man Group plc (542.21K), Kite Lake Capital Management (UK) LLP (414.87K), REINHART PARTNERS, LLC. (347.98K).
Business Quant data shows the 10 biggest positions in Silicon Motion Technology as of June 2026 are held by FMR LLC (2.28Mn), ACADIAN ASSET MANAGEMENT LLC (1.32Mn), Invesco Ltd. (1.14Mn), ALKEON CAPITAL MANAGEMENT LLC (1.1Mn), HAWK RIDGE CAPITAL MANAGEMENT LP (1.02Mn), REINHART PARTNERS, LLC. (966.06K), Polar Capital Holdings Plc (931.38K), DRIEHAUS CAPITAL MANAGEMENT LLC (786.07K), TWO SIGMA INVESTMENTS, LP (701.1K), Wolf Hill Capital Management, LP (548.79K).

Form 13F Holdings

381 Institutional Holders

Report period 30 Jun, 2026

Total shares held 24.31Mn

Of outstanding 72.41%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	FMR LLC	0000315066	2,277,824	6.78%	▼1,120,543	-32.97%	$759.27Mn
2	ACADIAN ASSET MANAGEMENT LLC	0000916542	1,315,838	3.92%	▲22,128	+1.71%	$438.53K
3	Invesco Ltd.	0000914208	1,142,437	3.40%	▲724,152	+173.12%	$380.81Mn
4	ALKEON CAPITAL MANAGEMENT LLC	0001230239	1,100,000	3.28%	▲1,100,000	0.00%	$366.66Mn
5	HAWK RIDGE CAPITAL MANAGEMENT LP	0001609074	1,015,215	3.02%	▼158,100	-13.47%	$338.40Mn
6	REINHART PARTNERS, LLC.	0001080298	966,060	2.88%	▼347,979	-26.48%	$322.02Mn
7	Polar Capital Holdings Plc	0001837309	931,375	2.77%	▲931,375	0.00%	$310.46Mn
8	DRIEHAUS CAPITAL MANAGEMENT LLC	0000938206	786,074	2.34%	▲276,099	+54.14%	$262.02Mn
9	TWO SIGMA INVESTMENTS, LP	0001179392	701,105	2.09%	▲426,528	+155.34%	$233.70Mn
10	Wolf Hill Capital Management, LP	0001785988	548,791	1.63%	▼32,061	-5.52%	$182.93Mn
11	Granahan Investment Management, LLC	0001026710	445,752	1.33%	▲250,500	+128.30%	$148.58Mn
12	LAZARD ASSET MANAGEMENT LLC	0001207017	435,931	1.30%	▼346,050	-44.25%	$145.31Mn
13	ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	0001164508	417,894	1.24%	▼7,803	-1.83%	$139.30Mn
14	LORD, ABBETT & CO. LLC	0000728100	377,899	1.13%	▼584,240	-60.72%	$125.97K
15	D. E. Shaw & Co., Inc.	0001009207	363,105	1.08%	▲363,105	0.00%	$121.03Mn
16	Analog Century Management LP	0001753384	362,502	1.08%	▼176,246	-32.71%	$120.83Mn
17	SYSTEMATIC FINANCIAL MANAGEMENT LP	0001085936	354,216	1.05%	▼152,509	-30.10%	$118.07Mn
18	BIT Capital GmbH	0002053305	349,195	1.04%	▲349,195	0.00%	$116.40Mn
19	OBERWEIS ASSET MANAGEMENT INC/	0000937886	316,350	0.94%	▲33,800	+11.96%	$105.45Mn
20	Robeco Institutional Asset Management B.V.	0001418773	299,699	0.89%	▼331,882	-52.55%	$99.90Mn

Showing 1 to 20 of 381 holders