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Western Digital
WDC

Overview Fund Activity

713 hedge funds and large institutions have $16.7B invested in Western Digital in 2016 Q4 according to their latest regulatory filings, with 143 funds opening new positions, 238 increasing their positions, 265 reducing their positions, and 61 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
713
Holders Change
+69
Holders Change %
+10.71%
% of All Funds
17.85%
Holding in Top 10
36
Holding in Top 10 Change
+4
Holding in Top 10 Change %
+12.5%
% of All Funds
0.9%
New
143
Increased
238
Reduced
265
Closed
61
Calls
$480M
Puts
$821M
Net Calls
-$341M
Net Calls Change
+$3.33M

Top Buyers

1
IAM
Iridian Asset Management
Connecticut
+$109M
2
Viking Global Investors
Viking Global Investors
Connecticut
+$95.5M
3
AAM
Amerigo Asset Management
Cayman Islands
+$95.1M
4
Ameriprise
Ameriprise
Minnesota
+$89.3M
5
Bank of New York Mellon
Bank of New York Mellon
New York
+$86.9M

Top Sellers

1
AIG
American International Group
New York
-$678M
2
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
-$230M
3
Fidelity Investments
Fidelity Investments
Massachusetts
-$148M
4
IIM
Ivory Investment Management
New York
-$111M
5
JPMorgan Chase & Co
JPMorgan Chase & Co
New York
-$85M
Name Holding Trade Value Shares
Change 		Shares
Change %
Group One Trading
526
Group One Trading
Illinois
$405K +$405K +7,893 New
NFC
527
Northeast Financial Consultants
Connecticut
$400K – – –
SEC
528
Seven Eight Capital
New York
$383K +$383K +7,451 New
AAF
529
Andra AP-fonden
Sweden
$381K -$912K -17,728 -71%
LJAC
530
L.J. Altfest & Co
New York
$380K +$7.49K +146 +2%
ICOA
531
Investment Centers of America
North Dakota
$375K +$135K +2,639 +56%
TNAM
532
Terra Nova Asset Management
New York
$374K +$374K +7,277 New
MWM
533
Meridian Wealth Management
Kentucky
$372K +$372K +6,218 New
SAM
534
Strategy Asset Managers
California
$368K +$19.8K +331 +6%
OMCS
535
Old Mutual Customised Solutions
South Africa
$367K +$143K +2,779 +64%
FAM
536
Fortaleza Asset Management
Illinois
$361K -$713K -13,891 -66%
CSS
537
Cubist Systematic Strategies
Connecticut
$348K -$740K -14,399 -68%
DWT
538
Dorsey & Whitney Trust
South Dakota
$344K -$14.7K -287 -4%
RP
539
Raiff Partners
New York
$340K +$340K +6,615 New
Walleye Trading
540
Walleye Trading
New York
$336K -$2.91M -56,697 -90%
FA
541
FDx Advisors
Illinois
$329K +$329K +6,398 New
LNWWM
542
Laird Norton Wetherby Wealth Management
California
$327K +$18.2K +354 +6%
HIM
543
Hillsdale Investment Management
Ontario, Canada
$326K +$326K +6,350 New
Bessemer Group
544
Bessemer Group
New Jersey
$325K -$23.9K -465 -7%
AMIM
545
Aull & Monroe Investment Management
Alabama
$320K – – –
CIAN
546
Capstone Investment Advisors (Netherlands)
New York
$317K +$317K +6,167 New
Jennison Associates
547
Jennison Associates
New York
$313K +$313K +6,084 New
BHWM
548
Bar Harbor Wealth Management
New Hampshire
$312K – – –
HCM
549
Highbridge Capital Management
New York
$310K +$310K +6,034 New
AP
550
AHL Partners
United Kingdom
$306K -$1.38M -26,840 -82%
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