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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
ZDA
301
Zweig-DiMenna Associates
New York
$2.69M +$3.06M +39,095 New
SW
302
SVB Wealth
Massachusetts
$2.69M +$2.83M +36,200 +1,261%
AAF
303
Andra AP-fonden
Sweden
$2.68M +$3.04M +38,896 New
QT
304
Quantbot Technologies
New York
$2.67M +$2.3M +29,459 +313%
Victory Capital Management
305
Victory Capital Management
Texas
$2.63M -$7.98K -102 -0.3%
Nomura Asset Management
306
Nomura Asset Management
Japan
$2.62M -$785K -10,044 -21%
Simplex Trading
307
Simplex Trading
Illinois
$2.6M +$2.96M +37,827 New
LPL Financial
308
LPL Financial
California
$2.58M -$299K -3,825 -9%
MSA
309
Mason Street Advisors
Wisconsin
$2.54M -$7.97M -101,934 -73%
AT
310
Argent Trust
Texas
$2.51M +$300K +3,837 +12%
GF
311
Gerstein Fisher
New York
$2.51M +$34.6K +443 +1%
GACM
312
Green Arrow Capital Management
New York
$2.5M +$2.84M +36,282 New
HCS
313
Harvest Capital Strategies
California
$2.46M +$801K +10,245 +40%
TI
314
Trexquant Investment
Connecticut
$2.38M +$2.7M +34,530 New
CIBC Asset Management
315
CIBC Asset Management
Ontario, Canada
$2.35M +$138K +1,760 +5%
GIA
316
Gateway Investment Advisers
Ohio
$2.32M -$27.2K -348 -1%
LMGAM
317
Liberty Mutual Group Asset Management
Massachusetts
$2.31M +$190K +2,434 +8%
NMERB
318
New Mexico Educational Retirement Board
New Mexico
$2.3M -$135K -1,720 -5%
FMT
319
First Mercantile Trust
Tennessee
$2.29M +$158K +2,014 +6%
WAM
320
World Asset Management
Michigan
$2.28M -$24K -307 -0.9%
COPPSERS
321
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$2.27M -$12.6M -161,693 -83%
LOAMS
322
Lombard Odier Asset Management (Switzerland)
Switzerland
$2.25M +$2.55M +32,629 New
AMI
323
Amica Mutual Insurance
Rhode Island
$2.2M
BCM
324
Bridgeway Capital Management
Texas
$2.17M -$6.64M -84,936 -73%
CCIA
325
Campbell & Co Investment Adviser
Maryland
$2.16M +$2.46M +31,457 New

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.