证券时报数据宝统计，10月21日沪指收盘报3038.93点，涨3.88点，涨幅为0.13%，近五日涨跌幅为-1.08%。近五日A股成交量3017.47亿股，成交金额35655.04亿元。近五日龙虎榜中，机构或营业部资金净买入的个股有86只，净买入净额为30.98亿元。从资金流向来看，A股主力资金近五日呈现净流出状态，主力资金净流量-652.58亿元，已连续5天主力资金净流出。
　　在主力资金净流出的背景下，龙虎榜机构资金近五日呈现净买入状态。证券时报数据宝统计，近五个交易日的龙虎榜当中，107只个股出现了机构的身影，其中49只股票呈现机构净买入，58只股票呈现机构净卖出。近五日机构净买入前三名分别是赛腾股份、安图生物、皮阿诺，机构资金流入净额分别是3.15亿元、1.87亿元、1.25亿元。此外，机构净卖出居前个股分别有内蒙华电、九安医疗、联泓新科等， 机构资金流出净额分别是1.75亿元、1.59亿元、1.12亿元。详情如下表所示。
　　近五日龙虎榜机构净买入金额最多个股
证券代码证券简称五日涨跌(%)机构买入金额(万元)机构卖出金额(万元)机构净买入金额(万元)占成交额比例(%)主力资金净额(万元)603283赛腾股份38.3533189.351726.9231462.4411.1821231.14603658安图生物22.6428394.079724.8418669.232.0719755.65002853皮阿诺14.6113049.66567.3512482.3111.803218.51300832新产业28.7719470.197880.1411590.051.71-54887.90600685中船防务14.6211050.491346.859703.635.814225.72002371北方华创16.789538.690.009538.690.699961.38002317众生药业30.1410966.503101.997864.512.9914892.03002446盛路通信18.137814.170.007814.171.36-26255.36000633合金投资18.249122.581548.507574.079.922725.44300248新开普34.476319.211498.014821.212.482291.82600821金开新能7.034783.300.004783.305.434422.77300845捷安高科75.389563.454852.724710.743.4910958.64601882海天精工22.508206.493572.924633.573.57-1315.01603011合锻智能16.436820.732480.664340.072.42-472.71603057紫燕食品-6.544197.600.004197.602.28-6221.12002045国光电器7.794597.63897.843699.790.88-579.34300730科创信息14.5316542.2913232.573309.720.74-26073.22603083剑桥科技-13.962887.050.002887.051.07-23701.15000596古井贡酒-12.7616791.3713910.562880.810.69-29998.29603676卫信康23.647944.115499.232444.882.003560.84　　与此同时，近五个交易日登陆沪深两市的龙虎榜个股中，营业部净买入较大的个股有国脉科技、九安医疗、国新文化。具体来看，国脉科技是资金最青睐个股，营业部净买入金额达1.66亿元，高居榜首。此外，九安医疗营业部净买入金额也排名居前。
　　近五日龙虎榜营业部净买入金额最多个股
证券代码证券简称五日涨跌(%)营业部买入金额(万元)营业部卖出金额(万元)营业部净买入金额(万元)占成交额比例(%)主力资金净额(万元)002093国脉科技21.5851607.0134989.2716617.742.49-21847.19002432九安医疗7.4227463.4612693.7114769.741.17-62567.39600636国新文化38.9535937.0522874.1313062.926.0623320.75002866传艺科技9.4425259.4412522.0412737.411.9120307.52001269欧晶科技61.0232873.2120911.2111962.008.7970913.83000049德赛电池17.6623040.5613584.959455.611.8419882.94002245蔚蓝锂芯12.0915116.346028.629087.722.5032151.68000066中国长城8.7715520.257280.668239.592.3119587.13000999华润三九8.7819408.1111366.958041.162.915249.58002182云海金属2.1424851.2516882.647968.612.643907.41300396迪瑞医疗16.7316181.258665.887515.372.39-14382.56000813德展健康35.0816254.978802.497452.484.5916993.42001203大中矿业18.998394.721237.517157.215.63-6699.52603122合富中国7.8020961.6414982.785978.863.57-2510.05002246北化股份-3.938212.842446.145766.701.70-10955.58001300三柏硕74.225728.28163.815564.4795.485686.09603052可川科技6.1525220.0819860.985359.103.218870.13002077大港股份20.8226053.6720991.715061.960.93-1691.18002828贝肯能源-3.056216.711337.634879.082.378493.63603071物产环能4.687734.583015.994718.595.504807.19　　数据显示，一些个股在龙虎榜的机构或营业部中显示出有资金在净买入，并且期间主力资金还在净流入，两方面都说明这些个股受到主力资金青睐。在近五日龙虎榜机构或营业部净买入的86只个股中，主力资金同期净流入的个股有54只，净流入金额最大的个股为欧晶科技、蔚蓝锂芯、双成药业，主力资金分别为7.09亿元、3.22亿元、2.41亿元。主力资金净流入力度较大的个股有三柏硕、欧晶科技、实益达，力度分别高达97.57%、52.09%、24.25%。(数据宝)
　　近五日龙虎榜净买入个股主力资金流入排名
证券代码证券简称五日涨跌(%)龙虎榜净买入金额(万元)占成交额比例(%)主力资金净额(万元)净流入力度(%)001269欧晶科技61.0211962.008.7970913.8352.09002245蔚蓝锂芯12.097087.881.9532151.688.84002693双成药业58.175148.361.8124065.408.47600636国新文化38.9513062.926.0623320.7510.82002137实益达38.353354.053.5422999.1524.25603283赛腾股份38.3523465.828.3421231.147.54001339智微智能15.642637.821.1520619.658.97002866传艺科技9.4412737.411.9120307.523.04000049德赛电池17.664827.170.9419882.943.86000066中国长城8.775905.291.6519587.135.48000813德展健康35.085382.743.3216993.4210.47002907华森制药61.193676.372.9415759.9712.60002317众生药业30.147659.702.9114892.035.66600641万业企业5.251275.940.4412953.424.45300845捷安高科75.383088.102.2910958.648.13002371北方华创16.786045.120.439961.380.72301299C卓创53.22558.610.489537.558.12000721西安饮食16.952877.461.938903.925.98603052可川科技6.155359.103.218870.135.32002828贝肯能源-3.055475.952.668493.634.12（文章来源：证券时报网）