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Security record

SIMO

Silicon Motion Technology Corporation · Technology · Semiconductors

241.83 -0.6% mkt cap $8.11B quote delayed (FMP) · as of Aug 25 22:08 UTC — separate from filing data below

Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024
98Tracked holders
+16Δ holders
12.06MShares held
$3.98BReported value
+20New positions
−4Exits
Strongly Rising Conviction score 49/100 How these are computed → Explain this at the Research Desk →

Momentum inputs (comparable managers): holder breadth +19.5% · share flow -1.5% · net new positions +16.3%formula
Ownership fragmentation — more holders, smaller aggregate stake

All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2026

Ownership over time
QuarterHoldersΔSharesReported valueNewExits
Q2 2026 98 +16 12.06M $3.98B +20 −4
Q1 2026 83 +8 12.24M $1.37B +13 −5
Q4 2025 74 -1 11.65M $1.08B −1
Q3 2025 17 -1 6.28M $595.70M −1
Q2 2025 15 +3 5.93M $445.74M +3
Q1 2025 10 0 2.13M $107.46M
Q4 2024 10 -3 2.89M $156.33M −3
Q3 2024 12 -1 4.13M $211.99M −1
Q2 2024 13 4.05M $328.38M
Holder count
Who holds it · Q2 2026
#ManagerSharesΔ sharesValueTheir weightHeld
1 Fidelity (FMR) 2.28M -33.0% $759.27M 0.0% ▼ Trim 5 SEC ↗
2 Fidelity (FMR) 2.28M -33.0% $759.27M 0.0% ▼ Trim 5 SEC ↗
3 Fidelity (FMR) 2.28M -33.0% $759.27M 0.0% ▼ Trim 5 SEC ↗
4 Fidelity (FMR) 2.28M -33.0% $759.27M 0.0% ▼ Trim 5 SEC ↗
5 Invesco Ltd. 1.14M +173.1% $380.81M 0.0% ▲ Add 3 SEC ↗
6 Invesco Ltd. 1.14M +173.1% $380.81M 0.0% ▲ Add 3 SEC ↗
7 Invesco Ltd. 1.14M +173.1% $380.81M 0.0% ▲ Add 3 SEC ↗
8 Alkeon Capital Management Llc 1.10M New $366.66M 1.4% New 1 SEC ↗
9 Alkeon Capital Management Llc 1.10M New $366.66M 1.4% New 1 SEC ↗
10 Two Sigma Investments 701.11K +155.3% $233.70M 0.2% ▲ Add 9 SEC ↗
11 Lazard Asset Management Llc 435.93K -44.2% $145.31M 0.2% ▼ Trim 3 SEC ↗
12 Lazard Asset Management Llc 435.93K -44.2% $145.31M 0.2% ▼ Trim 3 SEC ↗
13 Arrowstreet Capital 417.89K -1.8% $139.30M 0.1% ▼ Trim 5 SEC ↗
14 D. E. Shaw & Co. 363.11K New $121.03M 0.1% New 1 SEC ↗
15 Robeco Institutional Asset… 299.70K -52.5% $99.90M 0.1% ▼ Trim 3 SEC ↗
16 Marshall Wace 291.84K +5.5% $97.28M 0.1% ▲ Add 9 SEC ↗
17 Marshall Wace 291.84K +5.5% $97.28M 0.1% ▲ Add 9 SEC ↗
18 Marshall Wace 291.84K +5.5% $97.28M 0.1% ▲ Add 9 SEC ↗
19 Morgan Stanley 291.73K +38.3% $97.24M 0.0% ▲ Add 4 SEC ↗
20 Morgan Stanley 291.73K +38.3% $97.24M 0.0% ▲ Add 4 SEC ↗
21 Morgan Stanley 291.73K +38.3% $97.24M 0.0% ▲ Add 4 SEC ↗
22 Morgan Stanley 291.73K +38.3% $97.24M 0.0% ▲ Add 4 SEC ↗
23 Morgan Stanley 291.73K +38.3% $97.24M 0.0% ▲ Add 4 SEC ↗
24 Morgan Stanley 291.73K +38.3% $97.24M 0.0% ▲ Add 4 SEC ↗
25 Morgan Stanley 291.73K +38.3% $97.24M 0.0% ▲ Add 4 SEC ↗
26 Morgan Stanley 291.73K +38.3% $97.24M 0.0% ▲ Add 4 SEC ↗
27 Morgan Stanley 291.73K +38.3% $97.24M 0.0% ▲ Add 4 SEC ↗
28 Morgan Stanley 291.73K +38.3% $97.24M 0.0% ▲ Add 4 SEC ↗
29 Bank Of America Corp /De/ 276.79K +13.3% $92.26M 0.0% ▲ Add 3 SEC ↗
30 Bank Of America Corp /De/ 276.79K +13.3% $92.26M 0.0% ▲ Add 3 SEC ↗
31 Bank Of America Corp /De/ 276.79K +13.3% $92.26M 0.0% ▲ Add 3 SEC ↗
32 Bank Of America Corp /De/ 276.79K +13.3% $92.26M 0.0% ▲ Add 3 SEC ↗
33 Bank Of America Corp /De/ 276.79K +13.3% $92.26M 0.0% ▲ Add 3 SEC ↗
34 Voya Investment Management Llc 275.12K -27.9% $91.71M 0.1% ▼ Trim 2 SEC ↗
35 Voya Investment Management Llc 275.12K -27.9% $91.71M 0.1% ▼ Trim 2 SEC ↗
36 Voya Investment Management Llc 275.12K -27.9% $91.71M 0.1% ▼ Trim 2 SEC ↗
37 Massachusetts Financial Services Co… 204.95K -2.5% $68.69M 0.0% ▼ Trim 3 SEC ↗
38 Massachusetts Financial Services Co… 204.95K -2.5% $68.69M 0.0% ▼ Trim 3 SEC ↗
39 Massachusetts Financial Services Co… 204.95K -2.5% $68.69M 0.0% ▼ Trim 3 SEC ↗
40 Massachusetts Financial Services Co… 204.95K -2.5% $68.69M 0.0% ▼ Trim 3 SEC ↗
41 Massachusetts Financial Services Co… 204.95K -2.5% $68.69M 0.0% ▼ Trim 3 SEC ↗
42 Russell Investments Group, Ltd. 200.35K -1.5% $66.65M 0.1% ▼ Trim 3 SEC ↗
43 Russell Investments Group, Ltd. 200.35K -1.5% $66.65M 0.1% ▼ Trim 3 SEC ↗
44 Russell Investments Group, Ltd. 200.35K -1.5% $66.65M 0.1% ▼ Trim 3 SEC ↗
45 Russell Investments Group, Ltd. 200.35K -1.5% $66.65M 0.1% ▼ Trim 3 SEC ↗
46 Russell Investments Group, Ltd. 200.35K -1.5% $66.65M 0.1% ▼ Trim 3 SEC ↗
47 Russell Investments Group, Ltd. 200.35K -1.5% $66.65M 0.1% ▼ Trim 3 SEC ↗
48 Russell Investments Group, Ltd. 200.35K -1.5% $66.65M 0.1% ▼ Trim 3 SEC ↗
49 Russell Investments Group, Ltd. 200.35K -1.5% $66.65M 0.1% ▼ Trim 3 SEC ↗
50 Russell Investments Group, Ltd. 200.35K -1.5% $66.65M 0.1% ▼ Trim 3 SEC ↗
51 Russell Investments Group, Ltd. 200.35K -1.5% $66.65M 0.1% ▼ Trim 3 SEC ↗
52 Russell Investments Group, Ltd. 200.35K -1.5% $66.65M 0.1% ▼ Trim 3 SEC ↗
53 Boston Partners 199.20K -27.0% $66.38M 0.1% ▼ Trim 3 SEC ↗
54 Boston Partners 199.20K -27.0% $66.38M 0.1% ▼ Trim 3 SEC ↗
55 Wellington Management 185.25K -39.1% $61.75M 0.0% ▼ Trim 9 SEC ↗
56 Wellington Management 185.25K -39.1% $61.75M 0.0% ▼ Trim 9 SEC ↗
57 Wellington Management 185.25K -39.1% $61.75M 0.0% ▼ Trim 9 SEC ↗
58 Wellington Management 185.25K -39.1% $61.75M 0.0% ▼ Trim 9 SEC ↗
59 Wellington Management 185.25K -39.1% $61.75M 0.0% ▼ Trim 9 SEC ↗
60 UBS Group AG 180.42K -54.0% $60.14M 0.0% ▼ Trim 3 SEC ↗
61 UBS Group AG 180.42K -54.0% $60.14M 0.0% ▼ Trim 3 SEC ↗
62 UBS Group AG 180.42K -54.0% $60.14M 0.0% ▼ Trim 3 SEC ↗
63 UBS Group AG 180.42K -54.0% $60.14M 0.0% ▼ Trim 3 SEC ↗
64 UBS Group AG 180.42K -54.0% $60.14M 0.0% ▼ Trim 3 SEC ↗
65 UBS Group AG 180.42K -54.0% $60.14M 0.0% ▼ Trim 3 SEC ↗
66 Millennium Management 179.95K -54.5% $59.98M 0.0% ▼ Trim 9 SEC ↗
67 Loomis Sayles & Co L P 161.43K -14.4% $53.81M 0.1% ▼ Trim 2 SEC ↗
68 Loomis Sayles & Co L P 161.43K -14.4% $53.81M 0.1% ▼ Trim 2 SEC ↗
69 Sei Investments Co 142.33K +30.5% $47.44M 0.0% ▲ Add 3 SEC ↗
70 Sei Investments Co 142.33K +30.5% $47.44M 0.0% ▲ Add 3 SEC ↗
71 Qube Research & Technologies Ltd 138.43K -60.6% $46.14M 0.1% ▼ Trim 3 SEC ↗
72 Manufacturers Life Insurance… 129.54K -17.8% $43.18M 0.0% ▼ Trim 3 SEC ↗
73 First Eagle Investment Management… 125.74K -25.4% $41.91M 0.1% ▼ Trim 3 SEC ↗
74 First Eagle Investment Management… 125.74K -25.4% $41.91M 0.1% ▼ Trim 3 SEC ↗
75 Blair William & Co/Il 125.18K +21.3% $41.73M 0.1% ▲ Add 2 SEC ↗
76 Goldman Sachs Group 124.70K +341.1% $41.56M 0.0% ▲ Add 4 SEC ↗
77 Goldman Sachs Group 124.70K +341.1% $41.56M 0.0% ▲ Add 4 SEC ↗
78 Northern Trust Corp 124.08K -0.7% $41.36M 0.0% ▼ Trim 3 SEC ↗
79 Northern Trust Corp 124.08K -0.7% $41.36M 0.0% ▼ Trim 3 SEC ↗
80 Northern Trust Corp 124.08K -0.7% $41.36M 0.0% ▼ Trim 3 SEC ↗
81 Tidal Investments LLC 116.62K +135.9% $38.87M 0.1% ▲ Add 3 SEC ↗
82 Tidal Investments LLC 116.62K +135.9% $38.87M 0.1% ▲ Add 3 SEC ↗
83 Envestnet Asset Management Inc 111.78K -4.5% $37.26M 0.0% ▼ Trim 3 SEC ↗
84 Raymond James Financial Inc 110.71K +61.3% $36.90M 0.0% ▲ Add 3 SEC ↗
85 Raymond James Financial Inc 110.71K +61.3% $36.90M 0.0% ▲ Add 3 SEC ↗
86 Raymond James Financial Inc 110.71K +61.3% $36.90M 0.0% ▲ Add 3 SEC ↗
87 BNP Paribas Asset Management… 105.95K New $35.31M 0.0% New 1 SEC ↗
88 Ameriprise Financial Inc 102.52K +159.3% $34.17M 0.0% ▲ Add 3 SEC ↗
89 Ameriprise Financial Inc 102.52K +159.3% $34.17M 0.0% ▲ Add 3 SEC ↗
90 Ameriprise Financial Inc 102.52K +159.3% $34.17M 0.0% ▲ Add 3 SEC ↗
91 Ameriprise Financial Inc 102.52K +159.3% $34.17M 0.0% ▲ Add 3 SEC ↗
92 Walleye Trading LLC 88.02K +326.1% $29.34M 0.4% ▲ Add 2 SEC ↗
93 Nomura Asset Management… 75.85K -56.8% $25.28M 0.0% ▼ Trim 3 SEC ↗
94 BlackRock (passive) 75.75K +0.1% $25.25M 0.0% ▲ Add 5 SEC ↗
95 BlackRock (passive) 75.75K +0.1% $25.25M 0.0% ▲ Add 5 SEC ↗
96 BlackRock (passive) 75.75K +0.1% $25.25M 0.0% ▲ Add 5 SEC ↗
97 BlackRock (passive) 75.75K +0.1% $25.25M 0.0% ▲ Add 5 SEC ↗
98 BlackRock (passive) 75.75K +0.1% $25.25M 0.0% ▲ Add 5 SEC ↗
99 BlackRock (passive) 75.75K +0.1% $25.25M 0.0% ▲ Add 5 SEC ↗
100 State Street Global Advisors (passive) 73.40K -18.6% $24.47M 0.0% ▼ Trim 7 SEC ↗

“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.

New buyers

Alkeon Capital Management Llc $366.66M 1.4%
Alkeon Capital Management Llc $366.66M 1.4%
D. E. Shaw & Co. $121.03M 0.1%
BNP Paribas Asset Management… $35.31M 0.0%

Exited

Adage Capital Partners $6.14M was 0.0%
Jane Street Group, Llc $4.09M was 0.0%
Squarepoint Ops LLC $2.71M was 0.0%
Peak6 Llc $471,618 was 0.0%

Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 270 holders, 27.06M shares, $2.75B reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.

Frequently co-owned

What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.

Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR. Reporting period: Q2 2026 · Methodology · Get this via the API