Silicon Motion
SIMO
385 hedge funds and large institutions have $8.22B invested in Silicon Motion in 2026 Q2 according to their latest regulatory filings, with 149 funds opening new positions, 77 increasing their positions, 133 reducing their positions, and 36 closing their positions.
314% more first-time investments, than exits
New positions opened: 149 | Existing positions closed: 36
170% more capital invested
Capital invested by funds: $3.05B → $8.22B (+$5.17B)
94% more call options, than puts
Call options by funds: $439M | Put options by funds: $226M
63% more funds holding in top 10
Funds holding in top 10: 16 → 26 (+10)
41% more funds holding
Funds holding: 274 → 385 (+111)
6.64% less ownership
Funds ownership: 79.77% → 73.13% (-6.6%)
42% less repeat investments, than reductions
Existing positions increased: 77 | Existing positions reduced: 133
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Alkeon Capital Management
New York
|
+$255M |
| 2 |
PCH
Polar Capital Holdings
London,
United Kingdom
|
+$216M |
| 3 |
Invesco
Atlanta,
Georgia
|
+$168M |
| 4 |
Two Sigma Investments
New York
|
+$98.8M |
| 5 |
D.E. Shaw & Co
New York
|
+$84.1M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Fidelity Investments
Boston,
Massachusetts
|
-$260M |
| 2 |
Lord, Abbett & Co
Jersey City,
New Jersey
|
-$135M |
| 3 |
Man Group
London,
United Kingdom
|
-$126M |
| 4 |
KLCMU
Kite Lake Capital Management (UK)
London,
United Kingdom
|
-$96.1M |
| 5 |
RP
Reinhart Partners
Mequon,
Wisconsin
|
-$80.6M |
SIMO Hedge Fund Activity: Q2 2026 in Review
385 of the 8,274 institutional investors tracked by Wall St. Rank reported a position in Silicon Motion (SIMO) for Q2 2026, worth a combined $8.22B — up 170% from $3.05B a quarter earlier.
Buyers outnumbered sellers: 149 funds opened new SIMO positions and 36 closed out — a net gain of 113 holders — while 77 added to existing stakes and 133 trimmed.
The largest buyer was Alkeon Capital Management, opening a new position worth an estimated $255M. The largest seller was Fidelity Investments, cutting an estimated $260M.
- 385 institutional investors held Silicon Motion (SIMO) as of Q2 2026, up from 274 in Q1 2026.
- Funds reported $8.22B of Silicon Motion stock for Q2 2026, up 170% quarter-over-quarter.
- 149 funds opened new Silicon Motion positions in Q2 2026 and 36 closed out, a net change of +113 holders.
- The largest Silicon Motion buyer in Q2 2026 was Alkeon Capital Management, an estimated $255M added.
- The largest Silicon Motion seller in Q2 2026 was Fidelity Investments, an estimated $260M sold.
Based on aggregated 13F filings for Q2 2026.