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Among the 8 tracked institutional investors we monitor, MPWR (MONOLITHIC PWR SYS INC) is held with a combined value of $19.46B across 18,822,600 shares. The largest holder is BlackRock, Inc. with a position worth $6.64B (0.12% of their portfolio). VANGUARD GROUP INC opened a new position in the most recent quarter. 4 funds increased their holdings. 3 funds reduced their position.
Total Institutional Value
$19.46B
Total Shares Held
18,822,600
Institutional Holders
8
0
$0
3
$12.94M
Total Transactions
4
Last 90 days
| Date | Insider | Code | Type | Shares | Value |
|---|---|---|---|---|---|
| Jun 1, 2026 | Maurice Sciammas | S | Sale | 30 | $46.02K |
| May 29, 2026 | Maurice Sciammas | G | Gift | 12,472 | $0 |
| May 27, 2026 | Saria Tseng | S | Sale | 7,565 | $12.86M |
| May 26, 2026 | ROBERT W DEAN II | S | Sale | 22 | $36.29K |
| # | Fund | Value↓ | Portfolio % | Change |
|---|---|---|---|---|
| 1 | BlackRock, Inc. | $6.64B | 0.12% | +1.8% |
| 2 | VANGUARD GROUP INC | $5.47B | 0.08% | New |
| 3 | FMR LLC | $4.81B | 0.25% | +10.7% |
| 4 | STATE STREET CORP | $2.40B | 0.08% | +0.4% |
| 5 | CITADEL ADVISORS LLC | $109.13M | 0.02% | -16.5% |
| 6 | MILLENNIUM MANAGEMENT LLC | $14.10M | 0.01% | -67.6% |
| 7 | Bridgewater Associates, LP | $13.06M | 0.06% | +316.0% |
| 8 | Point72 Asset Management, L.P. | $1.97M | 0.00% | -89.7% |
As of the latest SEC 13F filings, BlackRock, Inc. is the largest institutional holder of MPWR with a position worth $6.64B, representing 0.12% of their portfolio. In total, 8 institutional investors hold MPWR with a combined value of $19.46B.
In the most recent quarter, 1 fund opened a new position in MPWR. Additionally, 4 increased their holdings and 3 reduced their positions.
Institutional investors hold $19.46B worth of MPWR stock across 8 positions. The largest institutional holder is BlackRock, Inc. with $6.64B 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 MPWR, these filings reveal which major funds are accumulating or reducing positions, providing insights into institutional sentiment.
Get notified when hedge funds change their MPWR positions.