MONOLITHIC POWER SYSTEMS INC - Common Stock (MPWR)

CUSIP: 609839105

Q4 2014 13F Holders as of 31 Dec 2014

Security identity
Security type / class
Equity / Common Stock
Shares outstanding
49,129,186
Holder snapshot
Total 13F shares
36,864,580
Share change
-334,857
Total reported value
$1,833,337,638
Put/Call ratio
41%
Reported price per share
$49.74
Number of holders
169
Value change
-$12,959,562
Number of buys
68
Number of sells
102

Security key

609839105

Report period

Q4 2014

Institutions

169

Top holders

10

MPWR full security history Ownership snapshot Full 13F holder table Newer quarter: Q1 2015 Previous quarter: Q3 2014 MONOLITHIC POWER SYSTEMS INC SEC filings MONOLITHIC POWER SYSTEMS INC company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Ownership snapshot

Top reported holders of MPWR - MONOLITHIC POWER SYSTEMS INC - Common Stock (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Lead holder
FMR LLC
13D/G signal
—
Evidence rows
15
Latest as of
30 Sep 2014
13F Lead comparable stake: 8.3% Showing 1-6 of 15 holder rows.

Rank 1 holder

FMR LLC

13F
Ownership
8.3%
Position
$179.25M
13F
Holder Evidence Ownership % Position 12M Net Δ As of
FMR LLC
13F
Company
13F
8.3%
$179,246,000
4,069,166 shares
 — 30 Sep 2014
VANGUARD GROUP INC
13F
Company
13F
5%
$107,790,000
2,447,000 shares
 — 30 Sep 2014
EARNEST PARTNERS LLC
13F
Company
13F
4%
$87,501,000
1,986,392 shares
 — 30 Sep 2014
ADAGE CAPITAL PARTNERS GP, L.L.C.
13F
Company
13F
3.9%
$84,729,000
1,923,468 shares
 — 30 Sep 2014
BlackRock Fund Advisors
13F
Company
13F
3.8%
$82,151,000
1,864,938 shares
 — 30 Sep 2014
FRONTIER CAPITAL MANAGEMENT CO LLC
13F
Company
13F
2.6%
$57,132,000
1,296,988 shares
 — 30 Sep 2014
How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q4 2014

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions
169
Shares
36,864,580
Rows available
169
Investor Option Weight % Change % Reported value * Price Shares Share Change Activity Report Period

* Reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that failed the local validity check.

Compare Q4 2014 vs Q3 2014 Across Filers

Q3 2014 holders
173
Q4 2014 holders
169
Holder diff
-4
Investor Q3 2014 Shares Q4 2014 Shares Share Diff Share Chg % Q3 2014 value Q4 2014 value Value change Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
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