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WILLIAM BLAIR INVESTMENT MANAGEMENT
- As of  05/24/24, 09:02:31 AM:   74 Insider Transactions.

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Buy/Sell* 1 Yr Return** Filed Date Subject Symbol Pct Owned Details
S 2020-10-08 09:17:52.0 LIGAND PHARMACEUTICALS INC LGNDD 11.8% view
S 2020-06-08 14:56:28.0 PORTOLA PHARMACEUTICALS INC PTLA 0.0% view
B 2019-02-13 16:25:16.0 NORTHWEST PIPE CO NWPX 0.0% view
S 2019-02-13 16:25:16.0 ASPEN GROUP ASPU 6.6% view
S 2019-02-13 16:25:16.0 HEALTHCARE SERVICES GROUP INC HCSG 5.7% view
B 2019-02-13 16:25:16.0 Six Flags Entertainment Corp SIX 3.2% view
S 2019-02-13 16:25:15.0 UNIVERSAL ELECTRONICS INC UEIC 10.5% view
B -43.59% 2019-03-26 16:00:38.0 PROFESSIONAL DETAILING INC PDII 7.74% view
B -56.67% 2002-02-12 00:00:00.0 CHOLESTECH CORPORATION ctec 6.42% view
B 2002-02-12 00:00:00.0 AMERICAN HEALTHWAYS INC AMHC 6.8% view
S 2001-02-15 00:00:00.0 CORE LABORATORIES N V CLB 0.0% view
B 2001-02-14 00:00:00.0 INSIGHT ENTERPRISES INC NSIT 3.03% view
S 2001-02-14 00:00:00.0 MAPINFO CORP MAPS 5.15% view
S 2001-02-14 00:00:00.0 ACTUATE CORP ACTU 5.56% view
S 2001-02-14 00:00:00.0 MRV COMMUNICATIONS INC MRVC 8.81% view
B -53.36% 2001-02-14 00:00:00.0 ZOLL MEDICAL CORPORATION ZOLL 5.4% view
B -68.82% 2001-02-14 00:00:00.0 DIAMOND TECHNOLOGY PARTNERS INC DTPI 5.25% view
S 2001-02-14 00:00:00.0 PHOTON DYNAMICS INC PHTN 5.16% view
B -81.20% 2001-02-14 00:00:00.0 APPLIED MICRO CIRCUITS CORP AMCC 0.62% view
S 2001-02-14 00:00:00.0 C COR NET CORP ccbl 1.96% view
B 2001-02-14 00:00:00.0 SMARTFORCE PUBLIC LTD CO SKIL 7.24% view
B -38.11% 2001-02-14 00:00:00.0 CIMA LABS INC CIMA 8.01% view
S 2001-02-14 00:00:00.0 CALIFORNIA PIZZA KITCHEN INC CPKI 7.58% view
B -85.26% 2001-02-14 00:00:00.0 JDS UNIPHASE CORP JDSU 0.0% view
B -90.88% 2001-02-14 00:00:00.0 TRANSWITCH CORP TXCC 6.54% view
S 2001-02-14 00:00:00.0 DITECH COMMUNICATIONS CORP DITC 3.54% view
B -10.90% 2001-02-14 00:00:00.0 TETRA TECH INC TTEK 1.36% view
S 2001-02-14 00:00:00.0 MICROMUSE INC MUSE 7.18% view
S 2001-02-14 00:00:00.0 TRIQUINT SEMICONDUCTOR INC TQNT 1.84% view
B 32.62% 2001-02-14 00:00:00.0 MICROCHIP TECHNOLOGY INC MCHP 3.79% view
S 2001-02-14 00:00:00.0 AMERICAN ITALIAN PASTA CO PLB 0.0% view
S 2001-02-14 00:00:00.0 DENDRITE INTERNATIONAL INC DRTE 1.17% view
B 38.11% 2001-02-14 00:00:00.0 SCANSOURCE INC SCSC 5.59% view
B -50.95% 2001-02-14 00:00:00.0 FLEXTRONICS INTERNATIONAL LTD FLEX 2.04% view
B -1.24% 2001-02-14 00:00:00.0 ADVENT SOFTWARE INC ADVS 6.87% view
B 24.12% 2001-02-14 00:00:00.0 TECHNE CORP TECH 7.77% view
B -18.52% 2001-02-14 00:00:00.0 PERICOM SEMICONDUCTOR CORP PSEM 4.25% view
S 2001-02-14 00:00:00.0 EMULEX CORP ELX 2.3% view
B 2001-02-14 00:00:00.0 MERCATOR SOFTWARE INC NASD 0.0% view
S 2001-02-14 00:00:00.0 SAUCONY INC SCNYB 0.0% view
B 2001-02-14 00:00:00.0 SIPEX CORP sipx 6.07% view
B 0.00% 2001-02-14 00:00:00.0 MERCURY INTERACTIVE CORPORATION MERQ 0.77% view
B 49.91% 2001-02-14 00:00:00.0 P F CHANGS CHINA BISTRO INC PFCB 7.79% view
S 2001-02-14 00:00:00.0 MICROSTRATEGY INC MSTR 0.0% view
S 2001-02-14 00:00:00.0 POLYCOM INC PLCM 9.02% view
B 2.72% 2001-02-14 00:00:00.0 RF MICRO DEVICES INC RFMD 1.05% view
S 2001-02-14 00:00:00.0 HOT TOPIC INC HOTT 0.62% view
B -10.72% 2001-02-14 00:00:00.0 DYCOM INDUSTRIES INC DY 6.66% view
S 2001-02-14 00:00:00.0 DSP GROUP INC DSPG 0.0% view
S 2001-02-14 00:00:00.0 COGNIZANT TECHNOLOGY SOLUTIONS CORP CTSH 4.55% view
S 2001-02-14 00:00:00.0 F5 NETWORKS INC ffiv 0.0% view
B -28.04% 2001-02-14 00:00:00.0 QUEST SOFTWARE INC QSFT 5.33% view
B -54.20% 2001-02-14 00:00:00.0 INFOSPACE INC INSP 6.32% view
B -16.31% 2001-02-14 00:00:00.0 ACTEL CORP ACTL 6.49% view
S 2001-02-14 00:00:00.0 GETTY IMAGES INC GYI 8.06% view
S 2001-02-14 00:00:00.0 RESMED INC RMD 0.41% view
B 2001-02-14 00:00:00.0 GLOBESPAN INC GSPN 5.42% view
B -41.47% 2001-02-14 00:00:00.0 MICREL INC MCRL 2.22% view
S 2001-02-14 00:00:00.0 MACROVISION CORP MVSN 4.2% view
B -10.33% 2001-02-14 00:00:00.0 COGNEX CORP CGNX 3.23% view
S 2001-02-12 00:00:00.0 INFOSPACE INC INSP 0.0% view
B -90.64% 2000-06-09 00:00:00.0 DITECH CORP DITC 10.03% view
B 2000-05-10 00:00:00.0 BINDVIEW DEVELOPMENT CORP BVEW 0.0% view
B 2000-05-10 00:00:00.0 J JILL GROUP INC JILL 0.01% view
B 25.09% 2000-05-10 00:00:00.0 MEDICIS PHARMACEUTICAL CORP MRX 10.05% view
S 2000-05-10 00:00:00.0 OPTIKA INC OPTK 1.49% view
B 2000-05-10 00:00:00.0 TIER TECHNOLOGIES INC TIER 1.09% view
S 2000-05-10 00:00:00.0 MICROSTRATEGY INC MSTR 6.14% view
B -95.93% 2000-04-10 00:00:00.0 RARE MEDIUM GROUP INC SKYT 11.2% view
S 2000-04-10 00:00:00.0 ZOMAX INC ZOMX 11.7% view
B 2000-04-10 00:00:00.0 OPTIKA INC OPTK 10.1% view
B -95.66% 2000-04-10 00:00:00.0 MICROSTRATEGY INC MSTR 18.21% view
B -79.95% 2000-04-10 00:00:00.0 POLYCOM INC PLCM 10.09% view
B 2000-03-31 00:00:00.0 INTEGRATED CIRCUIT SYSTEMS INC ICST 0.0% view
* Institutions do not report transaction buy/sell types directly. To help members better understand the transactions, this column is filled by InsiderCow's best-effort interpretations.
** Since most institutions are long investors, only returns for long transactions are shown here.