| 83.99 Real-Time Quote |  +1.33 / +1.61%Today’s Change | 70.60 Today|||52-Week Range 118.41 | -13.55% Year-to-Date |
| Other institutional | 50.24% |
| Mutual fund holders | 48.06% |
| Individual stakeholders | 0.72% |
| 3/31/2013 | MAVERICK CAPITAL LTD. Bought 1.2 Million shares of F5 Networks Inc |
| 3/31/2013 | TWO SIGMA INVESTMENTS LLC Bought 848.6 Thousand shares of F5 Networks Inc |
| 3/31/2013 | T. ROWE PRICE ASSOCIATES, INC. Bought 549.5 Thousand shares of F5 Networks Inc |
| Stockholder | Stake | Shares owned | Total value ($) | Shares bought / sold | Total change |
|---|---|---|---|---|---|
| Sands Capital Management LLC | 8.68% | 6,801,346 | 519,826,875 | +300,773 | +4.63% |
| The Vanguard Group, Inc. | 6.27% | 4,911,164 | 375,360,265 | +204,382 | +4.34% |
| BlackRock Fund Advisors | 4.36% | 3,415,776 | 261,067,760 | +25,758 | +0.76% |
| SSgA Funds Management, Inc. | 4.30% | 3,369,329 | 257,517,815 | -9,554 | -0.28% |
| TIAA-CREF Asset Management LLC | 3.01% | 2,360,754 | 180,432,428 | +373,197 | +18.78% |
| Maverick Capital Ltd. | 2.61% | 2,044,164 | 156,235,455 | +1,183,154 | +137.41% |
| Invesco Advisers, Inc. | 2.21% | 1,732,946 | 132,449,063 | -42,221 | -2.38% |
| AllianceBernstein LP | 2.05% | 1,608,688 | 122,952,024 | -291,694 | -15.35% |
| Franklin Advisers, Inc. | 1.89% | 1,484,270 | 113,442,756 | +73,570 | +5.22% |
| Harding Loevner LP | 1.87% | 1,465,546 | 112,011,681 | +56,228 | +3.99% |
| Mutual fund | Stake | Shares owned | Total value ($) | Shares bought / sold | Total change |
|---|---|---|---|---|---|
| CREF Stock Account | 1.40% | 1,093,941 | 83,609,911 | +207,371 | +23.39% |
| Touchstone Sands Capital Select G... | 1.37% | 1,070,000 | 81,780,100 | +70,000 | +7.00% |
| Vanguard Total Stock Market Index... | 1.35% | 1,056,166 | 80,722,767 | +40,294 | +3.97% |
| Vanguard Mid Cap Index Fund | 1.32% | 1,032,220 | 78,892,575 | +14,352 | +1.41% |
| PowerShares QQQ Trust | 0.98% | 768,459 | 58,733,321 | +5,976 | +0.78% |
| Vanguard 500 Index Fund | 0.94% | 734,209 | 56,115,594 | +8,574 | +1.18% |
| Vanguard Institutional Index Fund | 0.92% | 724,427 | 55,367,956 | +10,125 | +1.42% |
| SPDR S&P 500 ETF | 0.91% | 715,151 | 54,658,991 | -16,544 | -2.26% |
| Prudential Jennison Mid Cap Growt... | 0.86% | 675,792 | 51,650,783 | +23,966 | +3.68% |
| Touchstone Sands Capital Institut... | 0.84% | 657,000 | 50,214,510 | +24,000 | +3.79% |
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