SIMO Institutional Ownership
Who owns Silicon Motion Technology CORP and what the big funds did with it last quarter, from every SEC 13F filing. 387 funds reported holding SIMO at Jun 30, 2026.
- ▲225 buying vs 170 selling
- ▼Shares held by funds -7.7%
- ▲Funds holding +110
- ●Superinvestors: 2 added, 2 cut
- ●Put/call not meaningful
What the filings show, not a forecast. Positions can be up to 45 days old and leave out short sales.
Funds holding and ownership
8 quartersQuarter over quarter
all 13F filers| Q2 2026 | This quarter | Q1 2026 | Change |
|---|---|---|---|
| Funds holding | 387 | 277 | +39.7% |
| In funds' top 10 | 26 | 16 | +62.5% |
| 13F shares | 25M | 27.1M | −7.7% |
| Held by funds | – | – | – |
| New positions | 148 | 60 | +146.7% |
| Increased | 77 | 95 | −18.9% |
| Reduced | 132 | 88 | +50.0% |
| Sold out | 38 | 25 | +52.0% |
| Calls (shares) | 110K | 349K | −68.5% |
| Puts (shares) | 35K | 6,300 | +450.8% |
| Put/call ratio | 0.32 | 0.02 | +1650.6% |
Buyers vs sellers
adding or new vs cutting or sold outSuperinvestors in SIMO
All superinvestors →
Who owns SIMO
share of fund held shares- Index and passive funds6.1%
- Active managers and hedge funds85.6%
- Banks and brokers6.8%
- Pensions, insurers and other1.4%
The top 10 holders own 43.1% of all SIMO shares that funds reported. Groups are our own grouping of filers by name.
Put/call ratio
funds' options, market makers left outAbove 1 means funds hold more puts than calls, a sign of hedging or bets on a fall. Options are valued at the underlying shares.
Filed so far for Q3 2026
114 funds changed their position- HERALD INVESTMENT MANAGEMENT LtdSold out−148K sh
- Schwartz Investment Counsel IncAdded+131K sh
- FengHe Fund Management Pte. Ltd.Trimmed−90K sh
- Pembroke Management, LTDNew+67K sh
- Reinhart Partners, Llc.Trimmed−46K sh
🔒 Free account: see all 20.
Top holders
Q2 2026| # | Fund | Of company | Shares | Value | Change |
|---|---|---|---|---|---|
| 1 | Fmr LLC | – | 2.3M | $759M | −1.1M |
| 2 | Acadian Asset Management LLC | – | 1.3M | $439M | +22K |
| 3 | Invesco Ltd. | – | 1.1M | $381M | +724K |
| 4 | Alkeon Capital Management LLC | – | 1.1M | $367M | +1.1M |
| 5 | Hawk Ridge Capital Management LP | – | 1M | $338M | −158K |
| 6 | Reinhart Partners, Llc. | – | 966K | $322M | −348K |
| 7 | Polar Capital Holdings Plc | – | 931K | $310M | +931K |
| 8 | Driehaus Capital Management LLC | – | 786K | $262M | +276K |
| 9 | Two Sigma Investments, LP | – | 701K | $234M | +427K |
| 10 | Wolf Hill Capital Management, LP | – | 549K | $183M | −32K |
- Alkeon Capital Management LLC+1.1M sh+$367M
- Polar Capital Holdings Plc+931K sh+$310M
- Invesco Ltd.+724K sh+$241M
- Two Sigma Investments, LP+427K sh+$142M
- D. E. Shaw & Co., Inc.+363K sh+$121M
- BIT Capital GmbH+349K sh+$116M
- Bahl & Gaynor LLC+298K sh+$99.2M
- Driehaus Capital Management LLC+276K sh+$92M
- Fmr LLC−1.1M sh−$374M
- Lord, Abbett & Co. LLC−584K sh−$195M
- Man Group plc−542K sh−$181M
- Kite Lake Capital Management (UK) LLP−415K sh−$138M
- Reinhart Partners, Llc.−348K sh−$116M
- Lazard Asset Management LLC−346K sh−$115M
- Robeco Institutional Asset Management B.V.−332K sh−$111M
- Frontier Capital Management Co LLC−270K sh−$89.9M
SIMO institutional ownership FAQ
Who owns the most SIMO stock?
In Q2 2026 13F filings the largest holder of SIMO was Fmr LLC, followed by Acadian Asset Management LLC and Invesco Ltd.. Index fund managers are usually the biggest holders of large companies.
What percentage of SIMO is owned by institutions?
387 funds reported holding 25M SIMO shares at Jun 30, 2026.
Are hedge funds buying SIMO?
In Q2 2026, 225 funds bought SIMO (148 of them new positions) and 170 sold (38 sold out completely). Among well known investors, 2 added and 2 cut. Our fund sentiment for SIMO is neutral.
What is SIMO's institutional put/call ratio?
Funds reported $11.6M of SIMO puts against $36.6M of calls, a put/call ratio of 0.32 (0.02 the quarter before). Market makers and bank trading desks are left out, since their options are mostly hedges.
How current is this SIMO ownership data?
13F filings show holdings at the end of each quarter and are due within 45 days, so positions can be up to six weeks old when they appear. We add each new filing within minutes, and the "filed so far" list shows funds that have already reported the next quarter.
For informational and educational purposes only. Not investment advice, and not a recommendation to buy or sell any security. Fund sentiment summarises what 13F filings show and is not a forecast. Holdings come from SEC Form 13F filings as reported and show positions at the end of the quarter, up to 45 days before the filing. A 13F leaves out short positions, cash, bonds and most foreign holdings. See all hedge fund holdings.