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Silicon Laboratories
SLAB

Overview Fund Activity

165 hedge funds and large institutions have $2.06B invested in Silicon Laboratories in 2014 Q1 according to their latest regulatory filings, with 25 funds opening new positions, 45 increasing their positions, 75 reducing their positions, and 11 closing their positions.

Holders
165
Holders Change
+13
Holders Change %
+8.55%
% of All Funds
4.77%
Holding in Top 10
1
Holding in Top 10 Change
+1
Holding in Top 10 Change %
%
% of All Funds
0.03%
New
25
Increased
45
Reduced
75
Closed
11
Calls
$3.34M
Puts
$2.34M
Net Calls
+$997K
Net Calls Change
-$5.26M

Top Buyers

1
AllianceBernstein
1
AllianceBernstein
Tennessee
$57.5M
2
Lord, Abbett & Co
2
Lord, Abbett & Co
New Jersey
$49.4M
3
Wellington Management Group
3
Wellington Management Group
Massachusetts
$136M
4
Fidelity Investments
4
Fidelity Investments
Massachusetts
$333M
5
Citadel Advisors
5
Citadel Advisors
Florida
$97.2M

Top Sellers

1
Adage Capital Partners
1
Adage Capital Partners
Massachusetts
$74.2M
2
T. Rowe Price Associates
2
T. Rowe Price Associates
Maryland
$59.3M
3
CC
3
Carlson Capital
Texas
$67.4M
4
Wells Fargo
4
Wells Fargo
California
$81.6M
5
Mackenzie Financial
5
Mackenzie Financial
Ontario, Canada
$34.3M
Name Market Value Shares Shares
Change 		Shares
Change %
Fidelity Investments
1
Fidelity Investments
Massachusetts
$333M 6,380,180 +436,900 +7%
Wellington Management Group
2
Wellington Management Group
Massachusetts
$136M 2,599,301 +476,916 +22%
Vanguard Group
3
Vanguard Group
Pennsylvania
$124M 2,365,256 +83,359 +4%
Citadel Advisors
4
Citadel Advisors
Florida
$97.2M 1,859,644 +414,493 +29%
Wells Fargo
5
Wells Fargo
California
$81.6M 1,561,957 -520,604 -25%
Franklin Resources
6
Franklin Resources
California
$75.9M 1,452,285 -45,458 -3%
Adage Capital Partners
7
Adage Capital Partners
Massachusetts
$74.2M 1,419,317 -1,009,037 -42%
Massachusetts Financial Services
8
Massachusetts Financial Services
Massachusetts
$72.2M 1,381,140 -218,910 -14%
CC
9
Carlson Capital
Texas
$67.4M 1,289,498 -867,414 -40%
BIT
10
BlackRock Institutional Trust
California
$66.1M 1,265,490 +194,491 +18%
State Street
11
State Street
Massachusetts
$62.5M 1,195,566 +10,323 +0.9%
T. Rowe Price Associates
12
T. Rowe Price Associates
Maryland
$59.3M 1,134,720 -876,930 -44%
AllianceBernstein
13
AllianceBernstein
Tennessee
$57.5M 1,100,632 +1,064,502 +2,946%
BFA
14
BlackRock Fund Advisors
California
$55.3M 1,058,911 -59,769 -5%
Lord, Abbett & Co
15
Lord, Abbett & Co
New Jersey
$49.4M 945,482 +945,482 New
Invesco
16
Invesco
Georgia
$49.1M 940,546 +135,595 +17%
WA
17
Wasatch Advisors
Utah
$41.3M 790,728 -6,634 -0.8%
Mackenzie Financial
18
Mackenzie Financial
Ontario, Canada
$34.3M 655,532 -247,818 -27%
Dimensional Fund Advisors
19
Dimensional Fund Advisors
Texas
$32.6M 624,088 +34,633 +6%
GIM
20
Granahan Investment Management
Massachusetts
$32.1M 614,920 -20,000 -3%
William Blair & Company
21
William Blair & Company
Illinois
$30.8M 589,487 -68,069 -10%
PCM
22
PAR Capital Management
Massachusetts
$27M 516,800 +164,000 +46%
Bank of New York Mellon
23
Bank of New York Mellon
New York
$26.5M 507,515 +96,100 +23%
Loomis, Sayles & Company
24
Loomis, Sayles & Company
Massachusetts
$24M 459,493 -1,400 -0.3%
CAM
25
Cortina Asset Management
Wisconsin
$21.8M 417,779 -163,802 -28%
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