Silicon Motion Technology SIMO Institutional Ownership

NASDAQ SIMO

$280.50 +5.26 (+1.91%)

At close: Oct 2, 2026 · 4:00 PM EDT

Institutions by Trading Activity

382 Institutions

Increased 224 58.6%

Unchanged 27 7.1%

Reduced 131 34.3%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

72.42%

▼-7.86 pp QoQ

Shares Held by Institutions

24.32Mn

of 33.58Mn outstanding

▼-5.67% QoQ

Shares Outstanding

33.58Mn

9.26Mn held outside 13F filers

Institutional Investors

382

filed 13F for Jun 2026

▲+109 vs prior quarter

Net Shares Added (QoQ)

-1.46Mn

distributed 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 30 Jun, 2026

Silicon Motion Technology CORP (NASDAQ:SIMO) was reported as a holding by 382 institutional investors in 13F filings for the quarter ended June 30, 2026.

These investors held 72.42% of outstanding shares in Q2 2026, down from 80.28% the quarter before.
Total shares held in Silicon Motion Technology fell 9.79% versus Q1 2026, while the number of holders rose 80.19% versus Q2 2025.
Among the 382 holders of Silicon Motion Technology, 224 added shares, 131 reduced their stakes and 27 left their positions unchanged.
Combined, institutional investors held 24.32Mn shares of SIMO as of Q2 2026, down 2.64Mn from the prior quarter and down 3.75Mn from a year earlier.
FMR LLC held the largest position in SIMO at 2.28Mn shares as of June 30, 2026, or 6.78% of shares outstanding.
Among existing holders, the largest additions to Silicon Motion Technology in Q2 2026 came from Invesco Ltd. (+724.15K shares), Two Sigma Investments, LP (+426.53K shares), Driehaus Capital Management LLC (+276.1K shares), Granahan Investment Management, LLC (+250.5K shares) and Goldman Sachs Group Inc (+96.43K shares).
The largest position reductions in SIMO for Q2 2026 were by FMR LLC (-1.12Mn shares), Lord, Abbett & Co. LLC (-584.24K shares), Man Group plc (-542.21K shares), Kite Lake Capital Management (UK) LLP (-414.87K shares) and Reinhart Partners, LLC (-347.98K shares).
Per Business Quant, the top 10 investors in SIMO for the quarter ended June 30, 2026 were FMR LLC (2.28Mn shares), Acadian Asset Management LLC (1.32Mn shares), Invesco Ltd. (1.14Mn shares), Alkeon Capital Management LLC (1.1Mn shares), Hawk Ridge Capital Management LP (1.02Mn shares), Reinhart Partners, LLC (966.06K shares), Polar Capital Holdings PLC (931.38K shares), Driehaus Capital Management LLC (786.07K shares), Two Sigma Investments, LP (701.11K shares) and Wolf Hill Capital Management, LP (548.79K shares).

Form 13F Holdings

381 Institutional Holders

Report period 30 Jun, 2026

Total shares held 24.32Mn

Of outstanding 72.42%

#	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