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Of the 8 tracked institutions holding SIMO, 4 have a 3-year clone track record — 4 of them beat the S&P. Average holder's clone alpha: +5.6pt. It's a gauge of who owns the name, not just how many.
Among the 8 tracked institutional investors we monitor, SIMO (SILICON MOTION TECHNOLOGY CO) is held with a combined value of $493.06M across 4,390,921 shares. The largest holder is FMR LLC with a position worth $381.60M (0.02% of their portfolio). MAVERICK CAPITAL LTD opened a new position in the most recent quarter. 2 funds increased their holdings. 4 funds reduced their position.
Total Institutional Value
$493.06M
Total Shares Held
4,390,921
Institutional Holders
8
Ranked by estimated dollars moved (share change × implied price). 13F data lags up to 45 days.
| # | Fund | Value↓ | Portfolio % | Change |
|---|---|---|---|---|
| 1 | FMR LLC | $381.60M | 0.02% | - |
| 2 | MILLENNIUM MANAGEMENT LLC | $44.44M | 0.02% | +169.2% |
| 3 | WELLINGTON MANAGEMENT GROUP LLP | $34.17M | 0.01% | -56.3% |
| 4 | STATE STREET CORP | $10.12M | 0.00% | -1.0% |
| 5 | BlackRock, Inc. | $8.50M | 0.00% | +7.8% |
| 6 | CITADEL ADVISORS LLC | $7.25M | 0.01% | -51.5% |
| 7 | ADAGE CAPITAL PARTNERS GP, L.L.C. | $6.14M | 0.01% | -85.3% |
| 8 | MAVERICK CAPITAL LTD | $827.47K | 0.01% | New |
As of the latest SEC 13F filings, FMR LLC is the largest institutional holder of SIMO with a position worth $381.60M, representing 0.02% of their portfolio. In total, 8 institutional investors hold SIMO with a combined value of $493.06M.
In the most recent quarter, 1 fund opened a new position in SIMO. Additionally, 2 increased their holdings and 4 reduced their positions.
Institutional investors hold $493.06M worth of SIMO stock across 8 positions. The largest institutional holder is FMR LLC with $381.60M in holdings.
A 13F filing is a quarterly report required by the SEC from institutional investment managers with over $100 million in assets. It discloses their holdings in U.S. equities. For SIMO, these filings reveal which major funds are accumulating or reducing positions, providing insights into institutional sentiment.
Get notified when hedge funds change their SIMO positions.
Alpha = the manager's 3-year clone return minus the S&P 500. A skilled roster is a stronger tell than a crowded one — though even skilled managers' edge doesn't reliably survive the 13F disclosure lag. Why →
Last Close
$241.68
2026-07-27
YTD
+159.3%
64% of 52-week range