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AMERICAN CENTURY COMPANIES INC
- As of  10/31/24, 07:08:58 PM:   165 Insider Transactions.

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Buy/Sell* 1 Yr Return** Filed Date Subject Symbol Pct Owned Details
B 34.01% 1998-10-06 00:00:00.0 SUPERIOR INDUSTRIES INTERNATIONAL INC SUP 10.4% view
B 1998-08-05 00:00:00.0 LAB HOLDINGS INC LABS 10.1% view
B 3.16% 1998-02-04 00:00:00.0 GERBER SCIENTIFIC INC GRB 12.0% view
B -36.78% 1998-02-04 00:00:00.0 BE AEROSPACE INC BEAV 12.0% view
B 1998-02-04 00:00:00.0 MCAFEE ASSOCIATES INC net 12.0% view
S 1998-02-04 00:00:00.0 P COM INC PCOM 7.5% view
B -36.62% 1998-02-04 00:00:00.0 BMC SOFTWARE INC BMC 12.0% view
B -55.85% 1998-02-04 00:00:00.0 ASPEN TECHNOLOGY INC AZPN 12.0% view
B 57.74% 1998-02-04 00:00:00.0 TELLABS INC TLAB 12.0% view
B 115.43% 1998-02-04 00:00:00.0 COMVERSE TECHNOLOGY INC CMVT 12.0% view
B -0.45% 1998-02-04 00:00:00.0 SUPERIOR INDUSTRIES INTERNATIONAL INC SUP 8.1% view
B -12.16% 1998-02-04 00:00:00.0 BRIGHTPOINT INC CELL 12.0% view
B 98.94% 1998-02-04 00:00:00.0 ELECTRONICS FOR IMAGING INC EFII 12.0% view
B 16.60% 1998-02-04 00:00:00.0 CITRIX SYSTEMS INC CTXS 12.0% view
B -20.27% 1998-02-04 00:00:00.0 RADISYS CORP RSYS 12.0% view
B 1998-02-04 00:00:00.0 SEAFIELD CAPITAL CORP LABS 9.8% view
B 1998-02-04 00:00:00.0 NBTY INC NBTY 12.0% view
B 110.96% 1998-02-04 00:00:00.0 SUN MICROSYSTEMS INC sunw 12.0% view
B 1998-02-04 00:00:00.0 ACCUSTAFF INC mps 12.0% view
B 1998-02-04 00:00:00.0 IDEC PHARMACEUTICALS CORP IDPH 6.0% view
B 16.62% 1998-02-04 00:00:00.0 BECKMAN INSTRUMENTS INC BEC 6.2% view
B 1998-02-04 00:00:00.0 ACTION PERFORMANCE COMPANIES INC ATN 5.3% view
S 1998-02-04 00:00:00.0 AUTODESK INC ADSK 5.9% view
B 31.15% 1998-02-04 00:00:00.0 STARBUCKS CORP SBUX 12.0% view
B 1998-02-04 00:00:00.0 STAGE STORES INC STGS 7.6% view
B 1998-02-04 00:00:00.0 STORAGE TECHNOLOGY CORP STK 12.0% view
B 1998-02-04 00:00:00.0 PEOPLESOFT INC PSFT 12.0% view
B -30.67% 1998-02-04 00:00:00.0 NATIONAL TECHTEAM INC TEAM 12.0% view
B 9.83% 1997-02-11 00:00:00.0 LATTICE SEMICONDUCTOR CORP lscc 12.0% view
B -6.54% 1997-02-11 00:00:00.0 GLENAYRE TECHNOLOGIES INC GEMS 12.0% view
B 123.95% 1997-02-11 00:00:00.0 RENT WAY INC RWY 12.0% view
B 1997-02-11 00:00:00.0 PINNACLE SYSTEMS INC PCLE 12.0% view
B 1997-02-11 00:00:00.0 INFORMIX CORP ASCL 12.0% view
B 8.89% 1997-02-11 00:00:00.0 GENZYME CORP GENZ 12.0% view
B 8.89% 1997-02-11 00:00:00.0 GENZYME CORP GENZ 12.0% view
B 83.70% 1997-02-11 00:00:00.0 INTUIT INC INTU 12.0% view
B -18.54% 1997-02-11 00:00:00.0 QUALCOMM INC QCOM 12.0% view
B 7.37% 1997-02-10 00:00:00.0 ADOBE SYSTEMS INC ADBE 12.0% view
B -6.64% 1997-02-10 00:00:00.0 FSI INTERNATIONAL INC FSII 12.0% view
B 56.60% 1997-02-10 00:00:00.0 CYBEROPTICS CORP cybe 12.0% view
B -60.52% 1997-02-10 00:00:00.0 CEPHALON INC CEPH 12.0% view
B 17.35% 1997-02-10 00:00:00.0 ASYST TECHNOLOGIES INC ASYT 12.0% view
B 65.10% 1997-02-10 00:00:00.0 FILENET CORP FILE 12.0% view
B -7.06% 1997-02-10 00:00:00.0 BIO VASCULAR INC syno 12.0% view
B 1997-02-10 00:00:00.0 BIOGEN INC BGEN 12.0% view
B -22.58% 1997-02-10 00:00:00.0 APPLIED MATERIALS INC AMAT 12.0% view
B 34.26% 1997-02-10 00:00:00.0 CERNER CORP CERN 12.0% view
B 75.29% 1997-02-10 00:00:00.0 DELL COMPUTER CORP DELL 12.0% view
B 1997-02-07 00:00:00.0 SYBASE INC SYBS 12.0% view
B 1997-02-07 00:00:00.0 S3 INC SBLUQ 12.0% view
B -58.90% 1997-02-07 00:00:00.0 TRIDENT MICROSYSTEMS INC TRID 12.0% view
B -14.85% 1997-02-07 00:00:00.0 ULTRATECH STEPPER INC UTEK 12.0% view
B 87.35% 1997-02-07 00:00:00.0 STERIS CORP STE 12.0% view
B -35.21% 1997-02-07 00:00:00.0 3COM CORP COMS 12.0% view
S 1997-02-06 00:00:00.0 TELLABS INC TLAB 6.0% view
B -13.40% 1997-02-06 00:00:00.0 RADISYS CORP RSYS 8.0% view
B 5.54% 1997-02-06 00:00:00.0 STARBUCKS CORP SBUX 5.1% view
S 1997-02-06 00:00:00.0 STORAGE TECHNOLOGY CORP STK 5.3% view
B 34.39% 1997-02-05 00:00:00.0 GERBER SCIENTIFIC INC GRB 6.5% view
B 1.44% 1997-02-05 00:00:00.0 BE AEROSPACE INC BEAV 5.7% view
B 1997-02-05 00:00:00.0 MCAFEE ASSOCIATES INC net 7.0% view
B 1997-02-05 00:00:00.0 P PCOM 7.6% view
B 69.59% 1997-02-05 00:00:00.0 BMC SOFTWARE INC BMC 7.5% view
B -44.52% 1997-02-05 00:00:00.0 ASPEN TECHNOLOGY INC AZPN 5.1% view
B -9.81% 1997-02-05 00:00:00.0 COMVERSE TECHNOLOGY INC CMVT 8.3% view
B -28.92% 1997-02-05 00:00:00.0 BRIGHTPOINT INC CELL 6.1% view
B 64.94% 1997-02-05 00:00:00.0 CITRIX SYSTEMS INC CTXS 7.1% view
B 1997-02-05 00:00:00.0 NBTY INC NBTY 5.3% view
B 1997-02-05 00:00:00.0 ACCUSTAFF INC mps 6.9% view
B -61.49% 1997-02-05 00:00:00.0 NATIONAL TECHTEAM INC TEAM 6.0% view
S 1997-02-03 00:00:00.0 ELECTRONICS FOR IMAGING INC EFII 5.4% view
B 1997-02-03 00:00:00.0 SEAFIELD CAPITAL CORP LABS 6.6% view
B 47.90% 1997-02-03 00:00:00.0 SUN MICROSYSTEMS INC sunw 7.7% view
S 1997-02-03 00:00:00.0 PEOPLESOFT INC PSFT 5.4% view
B 88.00% 1996-02-13 00:00:00.0 RESMED INC RMD 5.3% view
B 2.71% 1996-02-12 00:00:00.0 ADOBE SYSTEMS INC ADBE 5.3% view
B 53.68% 1996-02-12 00:00:00.0 LATTICE SEMICONDUCTOR CORP lscc 6.4% view
B -69.14% 1996-02-12 00:00:00.0 GLENAYRE TECHNOLOGIES INC GEMS 5.4% view
B -1.64% 1996-02-12 00:00:00.0 FSI INTERNATIONAL INC FSII 5.6% view
B 1996-02-12 00:00:00.0 S3 INC SBLUQ 9.1% view
B 26.85% 1996-02-12 00:00:00.0 RENT WAY INC RWY 6.2% view
B 1996-02-12 00:00:00.0 PINNACLE SYSTEMS INC PCLE 6.8% view
B 1996-02-12 00:00:00.0 INFORMIX CORP ASCL 6.0% view
B 26.56% 1996-02-12 00:00:00.0 TRIDENT MICROSYSTEMS INC TRID 7.5% view
B 167.15% 1996-02-12 00:00:00.0 ELECTRONICS FOR IMAGING INC EFII 7.2% view
B -57.53% 1996-02-12 00:00:00.0 CYBEROPTICS CORP cybe 8.6% view
B 17.35% 1996-02-12 00:00:00.0 ULTRATECH STEPPER INC UTEK 7.2% view
B -7.13% 1996-02-12 00:00:00.0 CEPHALON INC CEPH 6.6% view
B 1996-02-12 00:00:00.0 SEAFIELD CAPITAL CORP LABS 6.0% view
B -29.12% 1996-02-12 00:00:00.0 STERIS CORP STE 8.4% view
B -28.60% 1996-02-12 00:00:00.0 SUN MICROSYSTEMS INC sunw 7.0% view
B -9.03% 1996-02-12 00:00:00.0 ASYST TECHNOLOGIES INC ASYT 6.6% view
B -67.57% 1996-02-12 00:00:00.0 FILENET CORP FILE 5.1% view
B -53.49% 1996-02-12 00:00:00.0 BIO VASCULAR INC syno 5.3% view
B -61.23% 1996-02-12 00:00:00.0 GENZYME CORP GENZ 7.0% view
B -61.23% 1996-02-12 00:00:00.0 GENZYME CORP GENZ 6.7% view
B 1996-02-12 00:00:00.0 BIOGEN INC BGEN 7.6% view
B -51.95% 1996-02-12 00:00:00.0 INTUIT INC INTU 8.3% view
S 1996-02-12 00:00:00.0 APPLIED MATERIALS INC AMAT 6.4% view
B 1996-02-12 00:00:00.0 PEOPLESOFT INC PSFT 5.6% view
B -43.73% 1996-02-12 00:00:00.0 CERNER CORP CERN 5.5% view
S 1996-02-12 00:00:00.0 QUALCOMM INC QCOM 8.4% view
S 1996-02-09 00:00:00.0 SYBASE INC SYBS 8.3% view
B -36.16% 1996-02-09 00:00:00.0 IN FOCUS SYSTEMS INC INFS 12.0% view
B 1996-02-09 00:00:00.0 SEITEL INC SELA 12.0% view
B 1996-02-09 00:00:00.0 OXFORD HEALTH PLANS INC OHP 12.0% view
B 1996-02-09 00:00:00.0 SCIENTIFIC ATLANTA INC SFA 12.0% view
B -15.90% 1996-02-09 00:00:00.0 TELLABS INC TLAB 12.0% view
B -15.49% 1996-02-09 00:00:00.0 C COR ELECTRONICS INC ccbl 12.0% view
B -1.35% 1996-02-09 00:00:00.0 MICROCHIP TECHNOLOGY INC MCHP 12.0% view
B 3.14% 1996-02-09 00:00:00.0 GYMBOREE CORP GYMB 12.0% view
S 1996-02-09 00:00:00.0 3COM CORP COMS 7.6% view
B -15.33% 1996-02-09 00:00:00.0 AUTODESK INC ADSK 12.0% view
B 1996-02-09 00:00:00.0 STORAGE TECHNOLOGY CORP STK 12.0% view
S 1996-02-09 00:00:00.0 DELL COMPUTER CORP DELL 7.3% view
B 29.98% 1996-02-09 00:00:00.0 KLA INSTRUMENTS CORP KLAC 12.0% view
B 44.60% 1996-02-09 00:00:00.0 NOVELLUS SYSTEMS INC NVLS 12.0% view
B 1996-02-09 00:00:00.0 HEALTHCARE COMPARE CORP FHCC 12.0% view
B 1995-02-09 00:00:00.0 SYBASE INC SYBS 8.4% view
B 85.23% 1995-02-09 00:00:00.0 PARAMETRIC TECHNOLOGY CORP PMTC 12.0% view
B 1995-02-09 00:00:00.0 ADVANTA CORP ADVNB 12.0% view
B 55.79% 1995-02-09 00:00:00.0 IN FOCUS SYSTEMS INC INFS 5.2% view
B 12.94% 1995-02-09 00:00:00.0 ORACLE SYSTEMS CORP ORCL 12.0% view
B 1995-02-09 00:00:00.0 ASPECT TELECOMMUNICATIONS CORP ASPT 12.0% view
B 1995-02-09 00:00:00.0 SEITEL INC SELA 5.7% view
B 1995-02-09 00:00:00.0 OXFORD HEALTH PLANS INC OHP 8.6% view
B 1995-02-09 00:00:00.0 SCIENTIFIC ATLANTA INC SFA 5.1% view
B 35.10% 1995-02-09 00:00:00.0 ALTERA CORP ALTR 12.0% view
B -5.34% 1995-02-09 00:00:00.0 TELLABS INC TLAB 5.9% view
B -32.38% 1995-02-09 00:00:00.0 C COR ELECTRONICS INC ccbl 8.6% view
B -27.93% 1995-02-09 00:00:00.0 CIRRUS LOGIC INC CRUS 12.0% view
B 1995-02-09 00:00:00.0 ACCLAIM ENTERTAINMENT INC AKLM 12.0% view
B 42.31% 1995-02-09 00:00:00.0 MICROCHIP TECHNOLOGY INC MCHP 6.0% view
B -31.91% 1995-02-09 00:00:00.0 COTT CORP COT 12.0% view
B -55.22% 1995-02-09 00:00:00.0 AMERICAN POWER CONVERSION CORPORATION APCC 12.0% view
B -37.89% 1995-02-09 00:00:00.0 CALLAWAY GOLF CO ELY 12.0% view
B 13.33% 1995-02-09 00:00:00.0 ELECTRONIC ARTS INC ERTS 12.0% view
B -30.49% 1995-02-09 00:00:00.0 XILINX INC XLNX 12.0% view
B 1995-02-09 00:00:00.0 CHIRON CORP CHIR 12.0% view
B 1.50% 1995-02-09 00:00:00.0 3COM CORP COMS 9.9% view
B 2.41% 1995-02-09 00:00:00.0 AUTODESK INC ADSK 5.7% view
B 1995-02-09 00:00:00.0 NEXTEL COMMUNICATIONS INC NXTL 12.0% view
B -40.57% 1995-02-09 00:00:00.0 BEST BUY CO INC BBY 12.0% view
B 1995-02-09 00:00:00.0 STORAGE TECHNOLOGY CORP STK 8.4% view
B -9.74% 1995-02-09 00:00:00.0 APPLIED MATERIALS INC AMAT 12.0% view
B -42.00% 1995-02-09 00:00:00.0 KLA INSTRUMENTS CORP KLAC 5.3% view
B 13.30% 1995-02-09 00:00:00.0 NOVELLUS SYSTEMS INC NVLS 7.5% view
B 8.24% 1995-02-08 00:00:00.0 LAM RESEARCH CORP LRCX 12.0% view
B 31.58% 1995-02-08 00:00:00.0 LONE STAR STEAKHOUSE & SALOON INC STAR 12.0% view
B -26.79% 1995-02-08 00:00:00.0 GYMBOREE CORP GYMB 5.6% view
B 104.30% 1995-02-08 00:00:00.0 SOLECTRON CORP SLR 12.0% view
B -31.85% 1995-02-08 00:00:00.0 SYMANTEC CORP SYMC 12.0% view
B -21.47% 1995-02-08 00:00:00.0 DELL COMPUTER CORP DELL 9.7% view
B 71.41% 1995-02-08 00:00:00.0 QUALCOMM INC QCOM 12.0% view
B 1995-02-08 00:00:00.0 HEALTHCARE COMPARE CORP FHCC 7.3% view
B 39.37% 1994-02-11 00:00:00.0 ORACLE SYSTEMS CORP ORCL 5.3% view
B 1994-02-11 00:00:00.0 INFORMIX CORP ASCL 0.0% view
B 1994-02-11 00:00:00.0 MAXTOR CORP MXO 0.0% view
B -34.06% 1994-02-11 00:00:00.0 AUTODESK INC ADSK 0.0% view
B 1994-02-11 00:00:00.0 BIOGEN INC BGEN 1.1% view
B -47.70% 1994-02-11 00:00:00.0 BEST BUY CO INC BBY 6.5% view
B 116.64% 1994-02-11 00:00:00.0 DELL COMPUTER CORP DELL 0.0% view
B 1994-02-10 00:00:00.0 ADVANTA CORP ADVNB 6.2% view
B -16.67% 1994-02-10 00:00:00.0 3COM CORP COMS 2.3% view
B -0.85% 1994-02-10 00:00:00.0 APPLIED MATERIALS INC AMAT 7.8% 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.