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Silicon Laboratories
SLAB

Overview Fund Activity

156 hedge funds and large institutions have $1.64B invested in Silicon Laboratories in 2013 Q3 according to their latest regulatory filings, with 24 funds opening new positions, 65 increasing their positions, 45 reducing their positions, and 25 closing their positions.

Holders
156
Holders Change
-2
Holders Change %
-1.27%
% of All Funds
5.06%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
24
Increased
65
Reduced
45
Closed
25
Calls
$16.5M
Puts
$4.1M
Net Calls
+$12.4M
Net Calls Change
+$10.3M

Top Buyers

1
Massachusetts Financial Services
1
Massachusetts Financial Services
Massachusetts
$72.4M
2
Wellington Management Group
2
Wellington Management Group
Massachusetts
$45.9M
3
William Blair & Company
3
William Blair & Company
Illinois
$27.9M
4
Adage Capital Partners
4
Adage Capital Partners
Massachusetts
$76.1M
5
Mackenzie Financial
5
Mackenzie Financial
Ontario, Canada
$37.5M

Top Sellers

1
Alkeon Capital Management
1
Alkeon Capital Management
New York
$42.7M
2
CCM
2
Century Capital Management
Massachusetts
$0
3
Citadel Advisors
3
Citadel Advisors
Florida
$47.7M
4
HSA
4
Hussman Strategic Advisors
Maryland
$0
5
Jacobs Levy Equity Management
5
Jacobs Levy Equity Management
New Jersey
$0
Name Holding Trade Value Shares
Change 		Shares
Change %
Fidelity Investments
1
Fidelity Investments
Massachusetts
$237M +$985K +23,065 +0.4%
Wells Fargo
2
Wells Fargo
California
$101M +$6.08M +142,284 +6%
T. Rowe Price Associates
3
T. Rowe Price Associates
Maryland
$101M -$849K -19,880 -0.8%
Franklin Resources
4
Franklin Resources
California
$99.2M +$7.07M +165,468 +8%
Vanguard Group
5
Vanguard Group
Pennsylvania
$93.6M +$2.91M +68,084 +3%
Adage Capital Partners
6
Adage Capital Partners
Massachusetts
$76.1M +$9.12M +213,500 +14%
Massachusetts Financial Services
7
Massachusetts Financial Services
Massachusetts
$72.4M +$33.2M +777,210 +85%
CC
8
Carlson Capital
Texas
$61.9M +$6.59M +154,238 +12%
State Street
9
State Street
Massachusetts
$50M -$609K -14,270 -1%
Citadel Advisors
10
Citadel Advisors
Florida
$47.7M -$18.7M -438,495 -28%
Wellington Management Group
11
Wellington Management Group
Massachusetts
$45.9M +$22.1M +517,010 +93%
BIT
12
BlackRock Institutional Trust
California
$44.2M -$415K -9,715 -0.9%
BFA
13
BlackRock Fund Advisors
California
$43.5M +$1.53M +35,795 +4%
Alkeon Capital Management
14
Alkeon Capital Management
New York
$42.7M -$24.8M -580,000 -37%
WA
15
Wasatch Advisors
Utah
$38.3M -$3.81M -89,265 -9%
Mackenzie Financial
16
Mackenzie Financial
Ontario, Canada
$37.5M +$9.07M +212,400 +32%
Invesco
17
Invesco
Georgia
$34M -$71.8K -1,682 -0.2%
GIM
18
Granahan Investment Management
Massachusetts
$28.8M +$513K +12,000 +2%
William Blair & Company
19
William Blair & Company
Illinois
$27.9M +$15M +351,293 +116%
CAM
20
Cortina Asset Management
Wisconsin
$25.5M -$1.35M -31,505 -5%
Dimensional Fund Advisors
21
Dimensional Fund Advisors
Texas
$23.2M +$632K +14,795 +3%
Goldman Sachs
22
Goldman Sachs
New York
$21.2M +$1.45M +34,067 +7%
Ameriprise
23
Ameriprise
Minnesota
$21.1M -$4.29M -100,555 -17%
Loomis, Sayles & Company
24
Loomis, Sayles & Company
Massachusetts
$19.8M +$1.95M +45,577 +11%
Bank of New York Mellon
25
Bank of New York Mellon
New York
$17.9M +$129K +3,026 +0.7%
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