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Western Digital

605 hedge funds and large institutions have $18.7B invested in Western Digital in 2015 Q1 according to their latest regulatory filings, with 75 funds opening new positions, 219 increasing their positions, 247 reducing their positions, and 67 closing their positions.

New
Increased
Maintained
Reduced
Closed

12% more first-time investments, than exits

New positions opened: 75 | Existing positions closed: 67

8% more call options, than puts

Call options by funds: $314M | Put options by funds: $292M

0% more funds holding

Funds holding: 605605 (0)

0.99% less ownership

Funds ownership: 105.52%104.53% (-0.99%)

11% less repeat investments, than reductions

Existing positions increased: 219 | Existing positions reduced: 247

18% less capital invested

Capital invested by funds: $22.9B → $18.7B (-$4.23B)

30% less funds holding in top 10

Funds holding in top 10: 3021 (-9)

Holders
605
Holders Change
Holders Change %
0%
% of All Funds
16.12%
Holding in Top 10
21
Holding in Top 10 Change
-9
Holding in Top 10 Change %
-30%
% of All Funds
0.56%
New
75
Increased
219
Reduced
247
Closed
67
Calls
$314M
Puts
$292M
Net Calls
+$22.5M
Net Calls Change
+$87.2M
Name Holding Trade Value Shares
Change
Change in
Stake
UBS Group
76
UBS Group
Switzerland
$52.1M -$29.7M -380,178 -33%
Bank of America
77
Bank of America
North Carolina
$51.5M -$4.44M -56,746 -7%
Millennium Management
78
Millennium Management
New York
$51.4M +$22.6M +289,599 +63%
PAM
79
Panagora Asset Management
Massachusetts
$48.8M -$3.35M -42,773 -6%
Adage Capital Partners
80
Adage Capital Partners
Massachusetts
$48.4M -$4.66M -59,535 -8%
SCP
81
Seizert Capital Partners
Michigan
$47.5M -$4.68M -59,821 -8%
PIM
82
Profit Investment Management
Maryland
$46.8M -$3.48M -44,510 -6%
Teacher Retirement System of Texas
83
Teacher Retirement System of Texas
Texas
$45.9M +$1.86M +23,815 +4%
AII
84
AGF Investments Inc
Ontario, Canada
$44.8M +$31M +395,833 +155%
MTB
85
Mizuho Trust & Banking
Japan
$43.3M +$851K +10,881 +2%
Alyeska Investment Group
86
Alyeska Investment Group
Illinois
$43.3M +$44.8M +572,760 +1,021%
HIM
87
Hermes Investment Management
United Kingdom
$42.6M -$25.7M -329,163 -35%
FAM
88
Fred Alger Management
New York
$41.5M -$326K -4,167 -0.7%
HSBC Holdings
89
HSBC Holdings
United Kingdom
$41.4M -$3.86M -49,300 -8%
AllianceBernstein
90
AllianceBernstein
Tennessee
$40.2M -$215K -2,751 -0.5%
New York State Teachers Retirement System (NYSTRS)
91
New York State Teachers Retirement System (NYSTRS)
New York
$39.6M -$342K -4,374 -0.8%
CAM
92
Contour Asset Management
New York
$39.4M -$8.5M -108,702 -16%
TCP
93
Tourbillon Capital Partners
New York
$39.4M +$13M +166,433 +41%
Mitsubishi UFJ Trust & Banking
94
Mitsubishi UFJ Trust & Banking
Japan
$39.2M +$999K +12,773 +2%
PI
95
PGGM Investments
Netherlands
$38.3M -$5.5M -70,296 -11%
California State Teachers Retirement System (CalSTRS)
96
California State Teachers Retirement System (CalSTRS)
California
$38.3M -$700K -8,955 -2%
First Trust Advisors
97
First Trust Advisors
Illinois
$37.9M -$5.84M -74,721 -12%
USAA
98
United Services Automobile Association
Texas
$37.5M +$3.41M +43,545 +9%
Two Sigma Investments
99
Two Sigma Investments
New York
$36.1M -$79.9M -1,022,136 -66%
Federated Hermes
100
Federated Hermes
Pennsylvania
$34.7M +$3.53M +45,170 +10%

WDC Hedge Fund Activity: Q1 2015 in Review

605 of the 3,753 institutional investors tracked by Wall St. Rank reported a position in Western Digital (WDC) for Q1 2015, worth a combined $18.7B — down 18% from $22.9B a quarter earlier.

Buyers outnumbered sellers: 75 funds opened new WDC positions and 67 closed out — a net gain of 8 holders — while 219 added to existing stakes and 247 trimmed.

The largest buyer was Citadel Advisors, adding an estimated $182M. The largest seller was Wellington Management Group, cutting an estimated $130M.

  • 605 institutional investors held Western Digital (WDC) as of Q1 2015, unchanged from Q4 2014.
  • Funds reported $18.7B of Western Digital stock for Q1 2015, down 18% quarter-over-quarter.
  • 75 funds opened new Western Digital positions in Q1 2015 and 67 closed out, a net change of +8 holders.
  • The largest Western Digital buyer in Q1 2015 was Citadel Advisors, an estimated $182M added.
  • The largest Western Digital seller in Q1 2015 was Wellington Management Group, an estimated $130M sold.

Based on aggregated 13F filings for Q1 2015.