证券时报·数据宝统计，2月21日沪指收盘报3306.52点，涨16.19点，涨幅为0.49%，近五日涨跌幅为0.40%。近五日A股成交量3893.17亿股，成交金额46128.43亿元。近五日龙虎榜中，机构或营业部资金净买入的个股有63只，净买入净额为30.33亿元。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-1077.34亿元。
　　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卖出状态。证券时报·数据宝统计，近五个交易日的龙虎榜当中，65只个股出现了机构的身影，其中33只股票呈现机构净买入，32只股票呈现机构净卖出。近五日机构净买入前三名分别是中国电信、徐工机械、川宁生物，机构资金流入净额分别是1.76亿元、1.69亿元、0.84亿元。此外，机构净卖出居前个股分别有炬华科技、中国软件、昊华科技等， 机构资金流出净额分别是3.00亿元、2.43亿元、1.37亿元。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)601728中国电信21.3017554.510.0017554.511.1556834.89000425徐工机械12.8419941.833000.7316941.102.1912971.96301301川宁生物11.838669.65316.068353.593.292996.87605266健之佳9.229412.511832.667579.857.233720.50603173福斯达3.785797.160.005797.163.86-2188.30600475华光环能15.068595.612992.075603.542.734586.87002971和远气体7.396470.111377.915092.205.094183.12000034神州数码8.245205.96183.655022.300.56-10913.46605336帅丰电器1.244429.720.004429.725.20-961.24000923河钢资源18.159486.375326.644159.743.02-2641.17002261拓维信息23.334263.89173.534090.360.27-28343.09603518锦泓集团7.563878.300.003878.303.822950.38002150通润装备-9.944203.96984.823219.150.86-23637.58301205联特科技-9.2713840.1711142.392697.791.25-10575.02301419阿莱德-8.536123.393635.652487.741.28-7006.86603097江苏华辰-6.091859.400.001859.402.05-723.39002156通富微电0.865101.293272.781828.520.16-31798.19603439贵州三力13.101353.590.001353.590.52-2811.33603281江瀚新材-7.671230.430.001230.430.35-12546.10301181标榜股份27.833215.982017.481198.500.857166.72　　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浪潮信息、汤姆猫、英飞拓。具体来看，浪潮信息是资金最青睐个股，营业部净买入金额达6.87亿元，高居榜首。此外，汤姆猫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)000977浪潮信息9.23204363.91135635.4568728.461.761750.73300459汤姆猫27.5475923.7758502.6617421.111.1740931.52002528英飞拓1.3725267.748301.6216966.123.6743396.55002425凯撒文化27.2028635.3013422.2115213.082.8621366.27000735罗牛山5.1021288.156562.4914725.666.2316941.75603000人民网3.2926247.0414333.5411913.501.22-24136.34603190亚通精工33.3825280.1513600.3311679.818.8112151.79603307扬州金泉91.698361.41219.728141.6996.778333.82301303C真兰11.909111.121678.937432.183.1513941.69000829天音控股0.6115028.968531.216497.751.60-4203.59300288朗玛信息22.098729.213608.385120.831.448253.22002117东港股份-3.6638729.2233809.494919.740.87-39373.79001339智微智能15.0342726.4737900.174826.311.0910863.99600320振华重工7.677235.082790.654444.432.964925.06002261拓维信息23.3384308.7079999.774308.930.28-28343.09600751海航科技13.715316.251556.923759.342.221292.96600095湘财股份9.1610657.007251.113405.890.613137.27603211晋拓股份6.924503.311184.943318.3711.654722.51001260坤泰股份91.733417.73113.373304.3619.3912922.80603319湘油泵8.165836.882617.973218.917.356002.21　　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63只个股中，主力资金同期净流入的个股有37只，净流入金额最大的个股为中国电信、英飞拓、汤姆猫，主力资金分别为5.68亿元、4.34亿元、4.09亿元。主力资金净流入力度较大的个股有扬州金泉、坤泰股份、晋拓股份，力度分别高达99.05%、75.85%、16.58%。(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(%)601728中国电信21.30259.990.0256834.893.72002528英飞拓1.3716966.123.6743396.559.38300459汤姆猫27.5416885.121.1340931.522.75002413雷科防务12.731126.770.6323306.6413.12002425凯撒文化27.2015213.082.8621366.274.01000735罗牛山5.1014725.666.2316941.757.16001314亿道信息-0.56612.430.1715734.824.35301303C真兰11.903812.301.6213941.695.91000425徐工机械12.846058.770.7812971.961.67001260坤泰股份91.733304.3619.3912922.8075.85603190亚通精工33.3811679.818.8112151.799.17600853龙建股份10.36753.090.759576.029.52002759天际股份5.911954.782.739404.8413.15603918金桥信息11.17501.600.169269.673.01603307扬州金泉91.698141.6996.778333.8299.05300288朗玛信息22.092081.380.598253.222.32603319湘油泵8.163218.917.356002.2113.71002719麦趣尔5.091990.351.165590.753.26600691阳煤化工13.572666.442.895443.375.90600343航天动力8.041148.920.585426.452.75（文章来源：证券时报网）