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Hedge Fund Crowding Costs – A Look At SanDisk

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Hedge Fund Crowding Costs – SanDisk by AlphaBetaWorks Charts

SanDisk was down 14% following a disappointing pre-announcement. This is a common occurrence for crowded ideas: SanDisk is the most crowded hedge fund bet in its sector, and crowded hedge fund Electronic Components picks tend to do poorly. These events illustrate crowding costs, particularly in the areas where hedge funds display a persistent lack of skill.

This piece analyzes hedge fund Electronic Components sector holdings (HF Sector Aggregate) relative to the sector market portfolio (Sector Aggregate). HF Sector Aggregate is position-weighted while Sector Aggregate is capitalization-weighted. We follow the approach of our earlier articles on aggregate and sector-specific hedge fund crowding. Crowded positions are vulnerable to volatility, mass liquidation, and losses. In some sectors crowded positions persistently underperform.

Hedge Fund Electronic Components Performance

The figure below plots historical return of HF Sector Aggregate. Factor return is due to systematic (market) risk. Blue area represents positive and gray area represents negative risk-adjusted returns from security selection (?Return):

Hedge Fund Electronic Components Risk-Adjusted Performance

The risk-adjusted return from security selection (?Return) of HF Sector Aggregate is the return it would have generated if markets were flat. This is the idiosyncratic performance of the crowded portfolio. Adjusted for market returns, crowded bets have lost 24% since 2004:

Hedge Fund Crowding - SanDisk

Crowded Hedge Fund Electronic Components Bets

The following stocks contributed most to the relative residual (security-specific) risk of the HF Sector Aggregate as of 2014-09-30. Blue bars represent long (overweight) exposures relative to Sector Aggregate. White bars represent short (underweight) exposures. Bar height represents contribution to relative stock-specific risk:

Hedge Fund Crowding - SanDisk

The following table contains detailed data on these crowded bets:

Exposure (%) Net Exposure Share of Risk (%)
HF Sector Aggr. Sector Aggr. % $mil Days of Trading
SNDK SanDisk Corporation 40.46 16.60 23.87 584.0 1.7 43.86
FLEX Flextronics International Ltd. 35.31 4.59 30.73 751.9 13.7 37.92
GLW Corning Incorporated 2.68 18.87 -16.19 -396.1 -2.0 5.73
TEL TE Connectivity Ltd. 0.02 17.10 -17.07 -417.9 -3.0 4.84
FSLR First Solar, Inc. 1.38 4.98 -3.60 -88.1 -0.7 3.00
APH Amphenol Corporation Class A 1.31 11.86 -10.55 -258.3 -3.4 1.30
CREE Cree, Inc. 0.82 3.70 -2.88 -70.5 -0.8 1.02
KN Knowles Corp. 3.51 1.70 1.81 44.3 1.1 0.58
PLUG Plug Power Inc. 0.03 0.58 -0.55 -13.5 -0.6 0.47
SANM Sanmina-SCI Corporation 0.00 1.30 -1.30 -31.9 -1.9 0.23
OLED Universal Display Corporation 0.27 1.15 -0.88 -21.5 -1.3 0.17
JBL Jabil Circuit, Inc. 1.67 3.05 -1.38 -33.7 -0.5 0.12
RSYS RadiSys Corporation 0.75 0.07 0.67 16.5 60.7 0.11
IMI Intermolecular, Inc. 0.91 0.08 0.82 20.1 145.2 0.10
RELL Richardson Electronics, Ltd. 1.62 0.09 1.53 37.5 162.9 0.08
CODE Spansion Inc. Class A 0.21 1.05 -0.84 -20.7 -0.3 0.06
PLXS Plexus Corp. 0.00 0.94 -0.94 -23.0 -2.9 0.05
AVX AVX Corporation 0.00 1.69 -1.69 -41.3 -13.2 0.04
VICR Vicor Corporation 0.70 0.19 0.51 12.5 9.9 0.04
FN Fabrinet 0.00 0.39 -0.39 -9.5 -2.8 0.04
Other Positions 0.19 0.23
Total 100.00


SanDisk illustrates the vulnerability to crowded names to mass liquidation by impatient investors. In general, crowded Electronic Component stocks tend to disappoint and hedge funds do even worse in other sectors.

Instead of blindly following hedge funds into popular technology names, investors should be wary of these ideas. Even excellent managers are seldom skilled in all areas and tend to generate the bulk of their active returns from a few specific skills.

The information herein is not represented or warranted to be accurate, correct, complete or timely.
Past performance is no guarantee of future results.
Copyright © 2012-2015, AlphaBetaWorks, a division of Alpha Beta Analytics, LLC. All rights reserved.
Content may not be republished without express written consent.


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