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Silicon Laboratories
SLAB

Overview Fund Activity

324 hedge funds and large institutions have $3.84B invested in Silicon Laboratories in 2025 Q1 according to their latest regulatory filings, with 56 funds opening new positions, 122 increasing their positions, 104 reducing their positions, and 23 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
324
Holders Change
+30
Holders Change %
+10.2%
% of All Funds
4.4%
Holding in Top 10
1
Holding in Top 10 Change
+1
Holding in Top 10 Change %
%
% of All Funds
0.01%
New
56
Increased
122
Reduced
104
Closed
23
Calls
$8.32M
Puts
$2.45M
Net Calls
+$5.87M
Net Calls Change
-$5.92M

Top Buyers

1
Westfield Capital Management
Westfield Capital Management
Massachusetts
$37.2M
2
Adage Capital Partners
Adage Capital Partners
Massachusetts
$59.1M
3
Invesco
Invesco
Georgia
$95.7M
4
Mackenzie Financial
Mackenzie Financial
Ontario, Canada
$26.7M
5
Macquarie Group
Macquarie Group
Australia
$132M

Top Sellers

1
Capital Research Global Investors
Capital Research Global Investors
California
$204M
2
BlackRock
BlackRock
New York
$498M
3
VBA
Van Berkom & Associates
Quebec, Canada
$33.4M
4
Fisher Asset Management
Fisher Asset Management
Washington
$0
5
AllianceBernstein
AllianceBernstein
Tennessee
$13.6M
Name Holding Trade Value Shares
Change 		Shares
Change %
Two Sigma Advisers
126
Two Sigma Advisers
New York
$1.18M +$214K +1,900 +22%
Ensign Peak Advisors
127
Ensign Peak Advisors
Utah
$1.17M – – –
New York State Common Retirement Fund
128
New York State Common Retirement Fund
New York
$1.12M -$101K -900 -8%
TPSF
129
Texas Permanent School Fund
Texas
$1.12M +$1.12M +10,971 New
Handelsbanken Fonder
130
Handelsbanken Fonder
Sweden
$1.09M – – –
AIP
131
Ameritas Investment Partners
Nebraska
$1.08M -$25.1K -223 -2%
AG
132
Algert Global
California
$1.07M – – –
ASRS
133
Arizona State Retirement System
Arizona
$1.05M -$8.11K -72 -0.8%
CSS
134
Cubist Systematic Strategies
Connecticut
$1.03M +$1.03M +9,176 New
LSERS
135
Louisiana State Employees Retirement System
Louisiana
$1.02M +$11.3K +100 +1%
CC
136
Centiva Capital
New York
$1.02M +$1.02M +9,043 New
Zurich Cantonal Bank
137
Zurich Cantonal Bank
Switzerland
$1M +$51.6K +458 +5%
DTL
138
Dynamic Technology Lab
Singapore
$983K +$983K +8,730 New
LRPA
139
L. Roy Papp & Associates
Arizona
$979K -$49.5K -440 -5%
SCM
140
Sterling Capital Management
North Carolina
$934K -$1.2M -10,681 -56%
BCI
141
Brinker Capital Investments
Pennsylvania
$932K +$106K +943 +13%
OPS
142
Orion Portfolio Solutions
Nebraska
$932K +$106K +943 +13%
VF
143
Virtu Financial
New York
$913K +$913K +8,112 New
MML Investors Services
144
MML Investors Services
Massachusetts
$908K +$55.1K +490 +6%
P8IP
145
Pier 88 Investment Partners
California
$903K +$321K +2,850 +55%
SOMRS
146
State of Michigan Retirement System
Michigan
$878K +$11.3K +100 +1%
COPPSERS
147
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$873K +$66.8K +593 +8%
Envestnet Portfolio Solutions
148
Envestnet Portfolio Solutions
Illinois
$873K -$192K -1,707 -18%
PEAK6
149
PEAK6
Illinois
$867K +$867K +7,705 New
Walleye Capital
150
Walleye Capital
New York
$840K -$3.15M -27,948 -79%
4 5
6
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