Silicon Motion
SIMO
274 hedge funds and large institutions have $3.05B invested in Silicon Motion in 2026 Q1 according to their latest regulatory filings, with 63 funds opening new positions, 95 increasing their positions, 89 reducing their positions, and 26 closing their positions.
533% more call options, than puts
Call options by funds: $87.9M | Put options by funds: $13.9M
142% more first-time investments, than exits
New positions opened: 63 | Existing positions closed: 26
78% more funds holding in top 10
Funds holding in top 10: 9 → 16 (+7)
20% more capital invested
Capital invested by funds: $2.54B → $3.05B (+$505M)
14% more funds holding
Funds holding: 240 → 274 (+34)
7% more repeat investments, than reductions
Existing positions increased: 95 | Existing positions reduced: 89
0.79% less ownership
Funds ownership: 80.56% → 79.77% (-0.79%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
ACM
Analog Century Management
New York
|
+$65.4M |
| 2 |
HRCM
Hawk Ridge Capital Management
Los Angeles,
California
|
+$46.8M |
| 3 |
VOYA Investment Management
Atlanta,
Georgia
|
+$46.3M |
| 4 |
Qube Research & Technologies (QRT)
London,
United Kingdom
|
+$31.1M |
| 5 |
Millennium Management
New York
|
+$30.2M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
PP
Pertento Partners
London,
United Kingdom
|
-$89.7M |
| 2 |
Wellington Management Group
Boston,
Massachusetts
|
-$47.7M |
| 3 |
Adage Capital Partners
Boston,
Massachusetts
|
-$38.5M |
| 4 |
RP
Reinhart Partners
Mequon,
Wisconsin
|
-$31.5M |
| 5 |
FCM
Frontier Capital Management
Boston,
Massachusetts
|
-$29M |
SIMO Hedge Fund Activity: Q1 2026 in Review
274 of the 8,187 institutional investors tracked by Wall St. Rank reported a position in Silicon Motion (SIMO) for Q1 2026, worth a combined $3.05B — up 20% from $2.54B a quarter earlier.
Buyers outnumbered sellers: 63 funds opened new SIMO positions and 26 closed out — a net gain of 37 holders — while 95 added to existing stakes and 89 trimmed.
The largest buyer was Analog Century Management, opening a new position worth an estimated $65.4M. The largest seller was Pertento Partners, cutting an estimated $89.7M.
- 274 institutional investors held Silicon Motion (SIMO) as of Q1 2026, up from 240 in Q4 2025.
- Funds reported $3.05B of Silicon Motion stock for Q1 2026, up 20% quarter-over-quarter.
- 63 funds opened new Silicon Motion positions in Q1 2026 and 26 closed out, a net change of +37 holders.
- The largest Silicon Motion buyer in Q1 2026 was Analog Century Management, an estimated $65.4M added.
- The largest Silicon Motion seller in Q1 2026 was Pertento Partners, an estimated $89.7M sold.
Based on aggregated 13F filings for Q1 2026.