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Super Investors MARXE AUSTIN W & GREENHOUSE DAVID M
MA

MARXE AUSTIN W & GREENHOUSE DAVID M

Quarterly 13F snapshot: US-listed longs only, no performance figures — 13F data cannot support them.

Portfolio value
$733M
Positions
148
Quarter ended
September 30, 2014
Filed
November 14, 2014

Reported portfolio value by quarter (6 quarters reported)

$933M $733M
Q2 13 Q4 13 Q2 14 Q3 14

$742M in Q2 2013 → $733M now. Hover for any quarter.

Holdings

As reported for the quarter ended September 30, 2014. Activity is the change in share count since the prior quarter's filing.

Holding % of portfolio Activity Shares Value
AR Arrowhead Research Corp @1.83 7.8% Added 5.9% 134,268,164 $56.9M
P Pfsweb, Inc. 3.5% Unchanged 2,348,955 $25.6M
Kopin Corporation 2.8% Unchanged 6,126,598 $20.8M
VC Vocera Communications, Inc. 2.6% Added 831% 2,388,325 $19.3M
Ultra Clean Holdings, Inc. 2.5% Unchanged 2,070,103 $18.5M
Liveperson, Inc. 2.5% Unchanged 1,427,200 $18M
PP Pacira Pharmaceuticals, Inc. 2.4% Trimmed 10% 180,000 $17.4M
Ceva, Inc. 2.3% Trimmed 3.8% 1,275,449 $17.1M
BE Broadwind Energy Inc. 2.2% Unchanged 2,112,191 $15.8M
OT Omnivision Technologies, Inc. 1.9% Trimmed 43% 514,044 $13.6M
PT Pure Technologies, Ltd.(canada 1.8% Unchanged 1,869,300 $13.5M
LC Lrad Corporation 1.7% Unchanged 4,667,710 $12.6M
AT Adept Technology, Inc. 1.7% Unchanged 1,467,850 $12.3M
Brightcove, Inc. 1.7% Added 36% 2,200,967 $12.3M
Extreme Networks, Inc. 1.6% Unchanged 2,422,864 $11.6M
G( Genenews, Ltd. (canada) (cf) 1.4% Added 48% 9,303,242 $10.6M
Silicon Motion Technology Corp 1.4% Trimmed 50% 385,295 $10.4M
PI Powersecure International, Inc 1.3% Unchanged 1,022,531 $9.8M
MI Microfinancial Incorporated 1.3% Unchanged 1,208,665 $9.74M
EC Entropic Communications, Inc. 1.3% Added 10% 3,597,070 $9.57M
CN Carbon Natural Gas Co. 1.3% Unchanged 10,888,889 $9.26M
M Magnetek, Inc. 1.3% Trimmed 8.9% 295,222 $9.24M
Cpi Aerostructures, Inc. 1.3% Unchanged 931,040 $9.17M
Lemaitre Vascular Inc. 1.2% Unchanged 1,311,617 $9.02M
AR Amber Road, Inc. 1.2% Unchanged 512,811 $8.89M
Ideal Power, Inc. 1.2% Unchanged 1,146,935 $8.63M
EI Erickson Incorporated 1.1% Trimmed 29% 638,976 $8.3M
CC Constant Contact Inc. 1.1% Unchanged 299,252 $8.12M
Repligen Corporation 1.1% Trimmed 11% 400,000 $7.96M
AT Argos Therapeutics, Inc. 1.0% Unchanged 750,000 $7.55M
I Incontact Inc. 1.0% Unchanged 863,552 $7.51M
NC Neophotonics Corporation 1.0% Added 9.3% 2,208,656 $7.4M
P Pfenex, Inc. 1.0% New 1,000,000 $7.36M
KC Kmg Chemicals, Inc. 1.0% Trimmed 15% 430,698 $7.01M
A( Alcobra, Ltd. (israel) 0.9% Trimmed 26% 443,496 $6.85M
Maxlinear, Inc. 0.9% Added 3.7% 967,397 $6.66M
Fuelcell Energy Inc. 0.9% Added 20% 3,101,605 $6.48M
Oramed Pharmaceuticals Inc. 0.9% Unchanged 790,000 $6.37M
Aerovironment, Inc. 0.9% Added 92% 210,000 $6.32M
VP Vitae Pharmaceuticals, Inc. 0.9% New 825,000 $6.3M
WB Wafergen Bio-systems Inc. 0.8% New 1,400,000 $6.09M
AT Aratana Therapeutics, Inc. 0.8% Unchanged 600,000 $6.02M
ST Smart Technologies, Inc.(canad 0.8% Added 0.1% 3,559,764 $5.84M
SN Spark Networks, Inc. 0.8% Added 2.2% 1,233,681 $5.72M
Energous, Corp. 0.7% Unchanged 481,096 $5.48M
VS Vitesse Semiconductor Corp. 0.7% Added 10% 1,502,400 $5.41M
Turtle Beach Corporation 0.7% Added 22% 695,050 $5.32M
TT Trillium Therapeutics Corp. 0.7% Unchanged 23,809,524 $5.31M
MI Manitex Int'l Inc. 0.7% Added 76% 459,230 $5.19M
AS Ardmore Shipping Corp. (irelan 0.7% Added 3.0% 474,300 $5.17M
G Gigamon, Inc. 0.7% Added 63% 467,966 $4.9M
SB Sangamo Biosciences, Inc. 0.7% Unchanged 450,000 $4.85M
SC Sequans Communications - ADR 0.6% Added 6.5% 2,294,290 $4.54M
Cvd Equipment Corporation 0.6% Unchanged 349,166 $4.52M
I Ipass, Inc. 0.6% Unchanged 2,979,509 $4.5M
DG Dsp Group, Inc. 0.6% Unchanged 504,334 $4.47M
S Support.com, Inc. 0.6% Unchanged 1,968,120 $4.25M
WE World Energy Solutions, Inc. 0.6% Unchanged 838,652 $4.12M
I Izea Inc. 0.5% Unchanged 10,857,144 $4.02M
M Mosys, Inc. 0.5% Unchanged 1,630,256 $3.95M

Showing top 60 of 148 positions.

Timeline of changes

What changed each quarter, from the filings' own share counts. Largest moves first; most recent 5 quarters.

Q3 2014

quarter ended September 30, 2014 · filed November 14, 2014

Company Action Shares changed Value of change % of portfolio
SC Summit Corporations PLC (unite Trimmed −17,823,640 −$44.8M 0.3%
VC Vocera Communications, Inc. Added +2,131,887 +$17.2M 2.6%
AR Arrowhead Research Corporation Trimmed −877,482 −$13M 0.2%
TP Tetraphase Pharmaceuticals Exited −810,000 −$10.9M —
Silicon Motion Technology Corp Trimmed −392,778 −$10.6M 1.4%
OT Omnivision Technologies, Inc. Trimmed −393,800 −$10.4M 1.9%
VC Vapor Corporation Exited −1,555,968 −$7.7M —
P Pfenex, Inc. New +1,000,000 +$7.36M 1.0%
DM Destination Maternity Corp. Exited −299,864 −$6.83M —
VP Vitae Pharmaceuticals, Inc. New +825,000 +$6.3M 0.9%

Showing the 10 largest of 87 changes.

Q2 2014

quarter ended June 30, 2014 · filed August 08, 2014

Company Action Shares changed Value of change % of portfolio
AR Arrowhead Research Corp @1.83 Trimmed −24,385,326 −$11.1M 7.3%
SC Stem Cell Therapeutics Corp. Exited −23,809,524 −$10.5M —
Sorrento Therapeutics, Inc Exited −725,388 −$9.3M —
Lemaitre Vascular Inc. Added +1,000,000 +$8.27M 1.4%
TT Trillium Therapeutics Corp. New +23,809,524 +$7.6M 1.0%
RN Rmg Networks Holdding Corp. Exited −1,191,959 −$6.72M —
AR Amber Road, Inc. Added +415,319 +$6.7M 1.0%
Parkervision, Inc. Trimmed −4,491,581 −$6.65M 0.3%
C( Compugen Ltd. (israel) Exited −525,000 −$5.52M —
G Gigamon, Inc. New +287,967 +$5.51M 0.7%

Showing the 10 largest of 94 changes.

Q1 2014

quarter ended March 31, 2014 · filed May 14, 2014

Company Action Shares changed Value of change % of portfolio
AR Arrowhead Research Corporation Trimmed −1,831,666 −$30.1M 2.3%
SB Sangamo Biosciences, Inc. Trimmed −1,244,401 −$22.5M 0.9%
E Endocyte, Inc. Trimmed −563,100 −$13.4M 0.2%
Regulus Therapeutics, Inc. Trimmed −1,158,137 −$10.4M 0.2%
AT Argos Therapeutics, Inc. New +750,000 +$7.5M 0.8%
PP Pacira Pharmaceuticals, Inc. Trimmed −91,095 −$6.38M 1.5%
Ultra Clean Holdings, Inc. Trimmed −451,990 −$5.94M 3.2%
Ardmore Shipping Corp. Added +440,292 +$5.86M 0.7%
C( Compugen Ltd. (israel) New +525,000 +$5.52M 0.6%
Myr-group Inc. Exited −207,730 −$5.21M —

Showing the 10 largest of 94 changes.

Q4 2013

quarter ended December 31, 2013 · filed February 06, 2014

Company Action Shares changed Value of change % of portfolio
PS Power Solutions R/[email protected] 4/2 Added +25,579,305 +$13.4M 9.0%
V( Vapor Corp. (restricted) New +1,666,667 +$12.5M 1.3%
Oramed Pharmaceuticals Inc. New +790,000 +$12.2M 1.3%
AT Adept Technology, Inc. Trimmed −485,277 −$8.2M 3.1%
EM Ellie Mae, Inc. Trimmed −267,375 −$7.18M 0.3%
SC Stem Cell Therapeutics Corp. New +23,809,524 +$6.97M 0.7%
FI Flow International Corporation Exited −1,732,190 −$6.91M —
Sorrento Therapeutics, Inc New +825,000 +$6.68M 0.7%
Liveperson, Inc. Added +414,809 +$6.15M 1.5%
Ideal Power, Inc. New +1,146,935 +$6.09M 0.7%

Showing the 10 largest of 96 changes.

Q3 2013

quarter ended September 30, 2013 · filed November 08, 2013

Company Action Shares changed Value of change % of portfolio
Power Solutions International Trimmed −281,893 −$16.7M 0.8%
PP Pacira Pharmaceuticals, Inc. Trimmed −158,690 −$7.63M 2.0%
RN Rmg Networks Holdding Corp. New +700,000 +$5.26M 0.6%
MC Multiband Corporation Exited −1,558,929 −$4.94M —
FP Five Prime Therapeutics, Inc. New +350,000 +$4.59M 0.6%
Titan Machinery, Inc. Trimmed −283,260 −$4.56M —
Hopto Inc. New +8,261,900 +$4.46M 0.5%
I Incontact Inc. Trimmed −531,010 −$4.39M 0.9%
M Memsic, Inc. Exited −825,495 −$3.39M —
PS Power Solutions R/[email protected] 4/2 Trimmed −7,439,073 −$3.2M 7.2%

Showing the 10 largest of 86 changes.

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