MONOLITHIC POWER SYSTEMS, INC. hedge fund holdings
MPWRNASDAQ$1,439.73+78.76 (+5.79%)as of Oct 2, 2026
Every quarter, large institutional investment managers with over $100M in U.S.-listed assets under management disclose their U.S. equity holdings through 13F filings. Read together, those filings show which businesses professional capital is moving into and out of.
Price vs funds buying and selling
MPWR · close · 13FReported Aug 14, 2026Price vs funds buying and selling data
Showing the 1Y range: Oct 2, 2025 to Oct 2, 2026. Price (+54.7%). 0 fund reports plotted in this window as 0 markers; nearby trades of the same kind are grouped.
| Date | Category | Person | Role | Action | Amount | Change in holding |
|---|
Funds buying · new + increased
Funds selling · reduced + closed
Net buyers vs sellers
Buying = new + increased; selling = reduced + closed. Counts exclude position changes under 5% of the fund's holding last quarter.Price and fund activity data
| Quarter | Funds buying | Funds selling | Bought | Sold | Filers | Reported |
|---|---|---|---|---|---|---|
| Q2 2025 | 361 | 261 | $2.86B | $2.17B | 852 | Aug 14, 2025 |
| Q3 2025 | 342 | 239 | $3.43B | $2.92B | 929 | Nov 14, 2025 |
| Q4 2025 | 369 | 292 | $4.89B | $4.36B | 1,010 | Feb 14, 2026 |
| Q1 2026 | 374 | 356 | $2.51B | $6.1B | 1,076 | May 15, 2026 |
| Q2 2026 | 461 | 369 | $5.74B | $5.98B | 1,178 | Aug 14, 2026 |
Quarterly action breakdown
Q2 2026
1,178 filersNew position
185$717M+519K sh
Increased
276$5.02B+3.63M sh
Reduced
302-$4.51B-3.26M sh
Out / sold
67-$1.47B-1.06M sh
Last 4 quarters · free
Reported Aug 14, 2026
| Fund | Action | Change in dollar | Value | % of portfolio | Reported |
|---|---|---|---|---|---|
| T. Rowe Price Investment Management, Inc. | Sell 100% | -$789M | $0 | 0.00% | Aug 14, 2026 |
| Van Eck Associates Corp | Added 42.26% | +$306M | $1.03B | 0.63% | Aug 14, 2026 |
| Anther Capital Ltd | Sell 100% | -$255M | $0 | 0.00% | Aug 13, 2026 |
| Wellington Management Group LLP | Reduce 71.26% | -$247M | $99.5M | 0.02% | Aug 14, 2026 |
| Rafferty Asset Management, LLC | Added 44.67% | +$196M | $635M | 1.45% | Aug 14, 2026 |
| Jennison Associates LLC | Added 275.56% | +$188M | $256M | 0.15% | Aug 3, 2026 |
| Massachusetts Financial Services Co | Reduce 22.12% | -$174M | $611M | 0.19% | Aug 3, 2026 |
| Nomura Asset Management Co Ltd | Reduce 78.44% | -$159M | $43.8M | 0.09% | Aug 13, 2026 |
| First Trust Advisors LP | Reduce 18.36% | -$150M | $667M | 0.39% | Aug 11, 2026 |
| Canada Pension Plan Investment Board | Added 178.93% | +$132M | $206M | 0.11% | Aug 14, 2026 |
| D1 Capital Partners L.P. | New Buy | +$118M | $118M | 0.34% | Aug 14, 2026 |
| Capitolis Liquid Global Markets LLC | Added 1686.20% | +$102M | $108M | 0.47% | Aug 13, 2026 |
| FIL Ltd | Added 45.23% | +$96.7M | $310M | 0.22% | Aug 13, 2026 |
| Kayne Anderson Rudnick Investment Management LLC | Reduce 22.70% | -$83.7M | $285M | 0.89% | Aug 13, 2026 |
| Healthcare of Ontario Pension Plan Trust Fund | Reduce 43.83% | -$82.4M | $106M | 0.15% | Aug 13, 2026 |
| Worldquant Millennium Advisors LLC | New Buy | +$65.2M | $65.2M | 0.22% | Aug 14, 2026 |
| Frontier Capital Management Co LLC | Reduce 58.94% | -$64.9M | $45.2M | 0.42% | Aug 14, 2026 |
| Nomura Holdings Inc | Added 1582.47% | +$64.5M | $68.6M | 0.08% | Aug 14, 2026 |
| Nomura Asset Management International Inc. | Reduce 30.02% | -$61.4M | $143M | 0.21% | Aug 14, 2026 |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | Reduce 26.89% | -$48.3M | $131M | 0.13% | Aug 13, 2026 |
| Caisse de depot et placement du Quebec | Reduce 41.01% | -$48.3M | $69.4M | 0.10% | Aug 14, 2026 |
| Robeco Institutional Asset Management B.V. | Added 239.68% | +$46M | $65.1M | 0.08% | Jul 21, 2026 |
| Pacer Advisors, Inc. | Reduce 78.03% | -$41.9M | $11.8M | 0.03% | Aug 13, 2026 |
| Voloridge Investment Management, LLC | New Buy | +$41.4M | $41.4M | 0.18% | Aug 14, 2026 |
| Capital Impact Advisors, LLC | New Buy | +$38.4M | $38.4M | 2.15% | Aug 7, 2026 |
| Lord, Abbett & Co. LLC | Reduce 22.49% | -$37.9M | $131M | 0.37% | Aug 14, 2026 |
| Mizuho Markets Americas LLC | Added 7337.75% | +$36M | $36.5M | 0.57% | Jul 24, 2026 |
| EULAV Asset Management | Reduce 44.31% | -$35.9M | $45.2M | 1.44% | Jul 29, 2026 |
| Impax Asset Management Group plc | Reduce 28.30% | -$34.6M | $87.7M | 0.57% | Aug 11, 2026 |
| Bank Julius Baer & Co. Ltd, Zurich | Added 302.14% | +$34.2M | $45.5M | 0.12% | Aug 10, 2026 |
| Adage Capital Partners GP, L.L.C. | Added 30.82% | +$31.4M | $133M | 0.19% | Aug 14, 2026 |
| Artisan Partners Limited Partnership | Reduce 13.73% | -$28.6M | $180M | 0.29% | Aug 13, 2026 |
| Flputnam Investment Management Co | New Buy | +$28.2M | $28.2M | 0.34% | Aug 6, 2026 |
| Pictet Asset Management Holding SA | Reduce 16.66% | -$27.8M | $139M | 0.13% | Jul 30, 2026 |
| Nordea Investment Management AB | Added 397.46% | +$27.5M | $34.4M | 0.03% | Aug 5, 2026 |
| Sora Investors LLC | Sell 100% | -$26.9M | $0 | 0.00% | Aug 14, 2026 |
| Pembroke Management, LTD | Added 54.50% | +$25.9M | $73.5M | 5.21% | Aug 13, 2026 |
| Scge Management, L.P. | New Buy | +$25.3M | $25.3M | 0.43% | Aug 14, 2026 |
| Fideuram Asset Management (Ireland) dac | Added 599.58% | +$25.2M | $29.4M | 0.56% | Jul 23, 2026 |
| Vest Financial, LLC | Reduce 32.91% | -$23.8M | $48.5M | 0.51% | Jul 24, 2026 |
| Tidal Investments LLC | Added 46.66% | +$22.8M | $71.7M | 0.12% | Aug 13, 2026 |
| Natixis | Reduce 55.24% | -$22.5M | $18.2M | 0.07% | Aug 13, 2026 |
| DF Dent & Co Inc | Reduce 17.61% | -$21.6M | $101M | 1.91% | Aug 14, 2026 |
| Credit Agricole S A | Added 231.54% | +$19.9M | $28.5M | 0.06% | Aug 14, 2026 |
| Ceredex Value Advisors LLC | Sell 100% | -$18.9M | $0 | 0.00% | Aug 11, 2026 |
| USS Investment Management Ltd | Added 121.60% | +$16.8M | $30.6M | 0.11% | Aug 11, 2026 |
| Night Squared LP | Sell 100% | -$16M | $0 | 0.00% | Aug 14, 2026 |
| Hood River Capital Management LLC | New Buy | +$15.2M | $15.2M | 0.11% | Aug 14, 2026 |
| VANGUARD ASSET MANAGEMENT, Ltd | Added 13.14% | +$14.9M | $128M | 0.09% | Aug 13, 2026 |
| ING Groep NV | Added 630.89% | +$14.4M | $16.7M | 0.08% | Aug 13, 2026 |
| Silvant Capital Management LLC | Sell 100% | -$14.3M | $0 | 0.00% | Aug 11, 2026 |
| Catalyst Funds Management Pty Ltd | Added 4862.09% | +$14.2M | $14.5M | 0.81% | Aug 10, 2026 |
| Natixis Advisors, LLC | Added 10.37% | +$13.7M | $146M | 0.16% | Aug 14, 2026 |
| Korea Investment CORP | Added 54.69% | +$13.6M | $38.4M | 0.07% | Aug 12, 2026 |
| Grandeur Peak Global Advisors, LLC | Reduce 18.97% | -$13.5M | $57.7M | 13.35% | Aug 17, 2026 |
| iA Global Asset Management Inc. | Reduce 62.15% | -$13M | $7.93M | 0.09% | Jul 29, 2026 |
| Vontobel Holding Ltd. | Reduce 28.10% | -$12.9M | $33.1M | 0.11% | Aug 3, 2026 |
| Varma Mutual Pension Insurance Co | New Buy | +$12.7M | $12.7M | 0.07% | Aug 12, 2026 |
| Freestone Grove Partners LP | Reduce 60.61% | -$12.6M | $8.18M | 0.05% | Aug 14, 2026 |
| Lombard Odier Asset Management (Europe) Ltd | Reduce 68.04% | -$12.3M | $5.78M | 0.24% | Aug 19, 2026 |
| Bridgewater Associates, LP | Reduce 74.07% | -$12.2M | $4.28M | 0.02% | Aug 14, 2026 |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | Reduce 40.74% | -$12.1M | $17.6M | 0.08% | Jul 29, 2026 |
| Zurich Insurance Group Ltd | Added 42.87% | +$12M | $39.9M | 0.28% | Aug 14, 2026 |
| APG Asset Management N.V. | Added 39.94% | +$11.9M | $41.7M | 0.10% | Aug 12, 2026 |
| Resona Asset Management Co.,Ltd. | Reduce 14.83% | -$11.7M | $66.9M | 0.31% | Jul 29, 2026 |
| Curi Capital, LLC | Reduce 21.29% | -$10.7M | $39.5M | 0.61% | Aug 14, 2026 |
| Baird Financial Group, Inc. | Added 10.27% | +$10.5M | $113M | 0.16% | Aug 12, 2026 |
| Mitsubishi UFJ Trust & Banking Corp | Reduce 23.86% | -$10.5M | $33.6M | 0.07% | Aug 6, 2026 |
| Arosa Capital Management LP | Added 166.67% | +$10.4M | $16.6M | 2.96% | Aug 14, 2026 |
| Public Employees Retirement Association of Colorado | Reduce 22.90% | -$10.3M | $34.8M | 0.12% | Aug 11, 2026 |
| CANADA LIFE ASSURANCE Co | Reduce 12.63% | -$10.2M | $70.7M | 0.11% | Aug 13, 2026 |
| Geneva Capital Management LLC | Reduce 18.08% | -$9.94M | $45M | 1.03% | Aug 6, 2026 |
| Ostrum Asset Management | Added 34.61% | +$9.93M | $38.6M | 1.86% | Aug 13, 2026 |
| Silvercrest Asset Management Group LLC | Reduce 70.91% | -$9.65M | $3.96M | 0.03% | Aug 14, 2026 |
| Azimuth Capital Investment Management LLC | Reduce 19.26% | -$9.61M | $40.3M | 1.36% | Aug 12, 2026 |
| Ensign Peak Advisors, Inc | Reduce 8.89% | -$9.6M | $98.4M | 0.16% | Aug 14, 2026 |
| Swiss Life Asset Management Ltd | Reduce 22.37% | -$9.59M | $33.3M | 0.14% | Jul 29, 2026 |
| Susquehanna Portfolio Strategies, LLC | New Buy | +$9.32M | $9.32M | 0.15% | Aug 14, 2026 |
| Generate Investment Management Ltd | Reduce 63.14% | -$9.29M | $5.42M | 0.22% | Jul 27, 2026 |
| Tredje AP-fonden | Reduce 36.77% | -$9.24M | $15.9M | 0.07% | Aug 10, 2026 |
| IMC-Chicago, LLC | Added 210.86% | +$9.13M | $13.5M | 0.00% | Aug 6, 2026 |
| KBC Group NV | Reduce 36.59% | -$9.01M | $15.6M | 0.03% | Aug 5, 2026 |
| Park National Corp | Reduce 22.95% | -$8.92M | $29.9M | 0.84% | Jul 15, 2026 |
| Public Sector Pension Investment Board | Added 71.50% | +$8.71M | $20.9M | 0.05% | Aug 13, 2026 |
| Thrivent Financial for Lutherans | Reduce 6.30% | -$8.37M | $125M | 0.21% | Aug 14, 2026 |
| Swedbank AB | Reduce 17.28% | -$7.8M | $37.3M | 0.03% | Jul 15, 2026 |
| Vaughan Nelson Investment Management, L.P. | Added 4.03% | +$7.77M | $200M | 1.77% | Jul 16, 2026 |
| Nissay Asset Management Corp /Japan | Added 21.76% | +$7.75M | $43.4M | 0.18% | Aug 14, 2026 |
| Rathbones Group PLC | Reduce 56.13% | -$7.65M | $5.98M | 0.02% | Jul 23, 2026 |
| Segall Bryant & Hamill, LLC | Reduce 20.00% | -$7.2M | $28.8M | 0.34% | Aug 12, 2026 |
| Polar Capital Holdings Plc | Added 67.62% | +$6.9M | $17.1M | 0.04% | Aug 14, 2026 |
| Titan Investment Solutions Ltd | Reduce 50.00% | -$6.71M | $6.71M | 0.75% | Aug 13, 2026 |
| SIH Partners, LLLP | Reduce 54.30% | -$6.69M | $5.63M | 0.04% | Aug 14, 2026 |
| Mn Services Vermogensbeheer B.V. | Reduce 25.61% | -$6.5M | $18.9M | 0.14% | Jul 31, 2026 |
| Liontrust Investment Partners LLP | Added 6.34% | +$6.25M | $105M | 1.54% | Aug 18, 2026 |
| Left Brain Wealth Management, LLC | Added 151.97% | +$6.25M | $10.4M | 3.12% | Jul 30, 2026 |
| Factory Mutual Insurance Co | Reduce 11.30% | -$6.24M | $49M | 0.46% | Jul 21, 2026 |
| NEOS Investment Management LLC | Added 13.41% | +$6.07M | $51.3M | 0.19% | Aug 11, 2026 |
| Bamco Inc | Reduce 6.97% | -$6.07M | $81M | 0.12% | Aug 14, 2026 |
| National Pension Service | Reduce 6.18% | -$5.79M | $87.8M | 0.06% | Aug 13, 2026 |