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Fund Holdings of ESSEX INVESTMENT MANAGEMENT CO LLC Filed on 2012-02-01

Link to Original SEC 13F filings sorted on filing date: 2012-02-01 | 2011-10-25 | 2011-08-10 | 2011-04-27 | 2011-01-28 | 2010-10-27 | 2010-07-29 | 2010-04-26 | 2010-01-25 | 2009-10-27 | 2009-07-29 | 2009-04-27 | 2009-02-13 | 2008-11-14 | 2008-08-14 | 2008-05-15 |

1. Fund Information

Fund NameESSEX INVESTMENT MANAGEMENT CO LLC
Fund Manager
Address125 HIGH STREET,
SOUTH BOSTON, MA, 02110
::Google Map
Phone(617) 482-4870
13F Asset Last Qtr$1,008,809,733
13F Asset This Qtr$1,003,239,413
Asset Change-0.55%

2. Comparison of Holdings by Sectors with Last Quarter

3. Top 20 Holdings (Value) of This Quarter

No.SecurityPut/CallStockSharesValue(x$1000)Activity(Shr)% Port.
1.)RANDGOLD RESOURCES LIMITED - AMERICAN DEPOSITARY SHARESGOLD187,745$19,169Added 12.05%1.91%
2.)ROYAL GOLD, INC.RGLD272,646$18,385Added 14.56%1.83%
3.)GOOGLE INC.GOOG26,286$16,978Added 0.10%1.69%
4.)CELGENE CORPORATIONCELG244,889$16,554Cut -0.51%1.65%
5.)APPLE INC.AAPL38,766$15,700Cut -29.62%1.56%
6.)WESTPORT INNOVATIONS INCWPRT439,165$14,598Cut -8.23%1.46%
7.)ELAN CORP PLCELN990,529$13,610Cut -0.15%1.36%
8.)DISNEY (WALT) CO. (THE)DIS313,440$11,754Added 106.01%1.17%
9.)CHART INDUSTRIES, INC.GTLS208,740$11,287Cut -8.45%1.13%
10.)STARBUCKS CORPORATIONSBUX244,365$11,243Added 15.89%1.12%
11.)LTD336,135$10,988Added 6.25%1.10%
12.)ACACIA RESEARCH CORPORATIONACTG296,403$10,822Cut -14.24%1.08%
13.)STAAR SURGICAL COMPANYSTAA1,019,168$10,691Added 21.38%1.07%
14.)EMC CORP. (MA)EMC478,119$10,299Cut -1.07%1.03%
15.)MICROSOFT CORPORATIONMSFT383,689$9,961Cut -1.62%0.99%
16.)ARM HOLDINGS, PLC - AMERICAN DEPOSITARY SHARESARMH352,210$9,746Cut -0.98%0.97%
17.)GOLAR LNG COM STK USD1.00GLNG216,985$9,645Cut -0.11%0.96%
18.)AIR METHODS CORPORATIONAIRM110,146$9,302Added 9.13%0.93%
19.)GOLDCORP INCGG208,443$9,224Cut -18.49%0.92%
20.)MEDQUIST HOLDINGS INC.MEDH922,110$8,871Added 30.81%0.88%

4. Top 20 (Value) Holdings BOUGHT NEW in This Quarter

No.SecurityPut/CallStockShares NEWValue(x$1000)% Port.
1.)ZOLL MEDICAL CORPORATIONZOLL92,279$5,8300.58%
2.)SURMODICS, INC.SRDX312,713$4,5840.46%
3.)ALTRA HOLDINGS, INC.AIMC230,781$4,3460.43%
4.)EMPLOYERS HOLDINGS INCEIG234,596$4,2440.42%
5.)MARCUS CORP. (THE)MCS329,774$4,1580.41%
6.)HAWAIIAN HOLDINGS, INC.HA684,947$3,9730.40%
7.)LEAPFROG ENTERPRISES INCLF693,749$3,8780.39%
8.)COMERICA, INC.CMA145,026$3,7420.37%
9.)QUANTUM CORP.QTM1,543,039$3,7030.37%
10.)MORGAN STANLEYMS234,271$3,5450.35%
11.)ACTUATE CORPORATIONBIRT584,892$3,4270.34%
12.)WELLS FARGO & CO.WFC106,878$2,9460.29%
13.)ZIONS BANCORPORATIONZION171,076$2,7850.28%
14.)GIVEN IMAGING LTD.GIVN153,290$2,6720.27%
15.)SAPIENT CORPORATIONSAPE212,049$2,6720.27%
16.)CRUMBS BAKE SHOP INCCRMB593,596$2,3740.24%
17.)TALEO CORPORATIONTLEO53,800$2,0820.21%
18.)LOGMEIN, INC.LOGM50,400$1,9430.19%
19.)VIACOM INC CL B VIA-B42,601$1,9350.19%
20.)PAYCHEX, INC.PAYX59,216$1,7830.18%

5. Top 20 (Value) Holdings Totally SOLD OUT in This Quarter

No.SecurityPut/CallStockShares SOLDValue(x$1000)% Port. Last Qtr
1.)CALIPER LIFE SCIENCES INCCALP1,128,856$11,8191.17%
2.)KEYNOTE SYSTEMS, INC.KEYN284,154$6,0040.60%
3.)CARDIOVASCULAR SYSTEMS, INC.CSII513,452$5,8480.58%
4.)ORACLE CORPORATIONORCL175,767$5,0520.50%
5.)POWERWAVE TECHNOLOGIES, INC.PWAV2,902,840$4,9930.50%
6.)HALLIBURTON COMPANYHAL154,230$4,7070.47%
7.)INTERNATIONAL FLAVORS & FRAGRANCES INC.IFF83,148$4,6750.46%
8.)FRANCESCAS HOLDINGS CORPORATIONFRAN208,630$4,4250.44%
9.)YANDEX N V205,005$4,1940.42%
10.)HOMEAWAY INCAWAY120,604$4,0550.40%
11.)IMMERSION CORPORATIONIMMR661,957$3,9590.39%
12.)AVIAT NETWORKS, INC.AVNW1,582,696$3,7190.37%
13.)ACQUISITION COR784,244$3,0820.31%
14.)COMCAST CORPORATIONCMCSA133,993$2,8030.28%
15.)NEW YORK & COMPANY INCNWY870,001$2,7750.28%
16.)SMART BALANCE INCSMBL460,147$2,7150.27%
17.)CHESAPEAKE ENERGY CORP.CHK105,533$2,6960.27%
18.)DG FASTCHANNEL, INC.DGIT143,753$2,4370.24%
19.)MCDERMOTT INTERNATIONAL, INC. (PANAMA)MDR205,158$2,2080.22%
20.)BASIC ENERGY SERVICES INCBAS143,535$2,0320.20%