| Quarter | Holdings | Value ($000) | Top Holdings | Form Type | Date Filed | Filing ID |
|---|---|---|---|---|---|---|
| Q4 2017 | 212 | 6,693,978 | EHC, MASI, ANSS, ASR | 13F-HR | 2/13/2018 | 000095012318001641 |
| Q3 2017 | 204 | 6,762,114 | ALGN, LIVN, EHC, OSK | 13F-HR | 11/13/2017 | 000095012317010291 |
| Q2 2017 | 200 | 7,007,770 | EHC, LIVN, ALGN, ASR | 13F-HR | 8/11/2017 | 000095012317007333 |
| Q1 2017 | 198 | 7,121,382 | ALGN, EHC, LIVN, IRBT | 13F-HR | 5/12/2017 | 000095012317004662 |
| Q4 2016 | 196 | 7,123,041 | ALGN, EHC, WAGE, TTC | 13F-HR | 2/10/2017 | 000095012317001384 |
| Q3 2016 | 195 | 7,631,459 | ALGN, LIVN, EHC, Education Realty Trust Inc | 13F-HR | 11/10/2016 | 000095012316021642 |
| Q2 2016 | 198 | 8,622,684 | ALGN, VWR, MTN, EHC | 13F-HR | 8/12/2016 | 000095012316019587 |
| Q1 2016 | 181 | 9,285,207 | ALGN, EXPD, ANSS, MTN | 13F-HR | 5/12/2016 | 000095012316016804 |
| Q4 2015 | 175 | 9,984,224 | AME, CPHD, ALGN, LKQ | 13F-HR | 2/8/2016 | 000095012316013547 |
| Q3 2015 | 186 | 12,538,734 | AME, DCI, NDSN, CPHD | 13F-HR | 11/10/2015 | 000095012315011133 |
| Q2 2015 | 203 | 15,552,459 | DCI, SEIC, AME, CPHD | 13F-HR | 8/13/2015 | 000095012315008810 |
| Q1 2015 | 213 | 18,390,031 | AME, MTD, DCI, SEIC | 13F-HR | 5/1/2015 | 000095012315004875 |
| Q4 2014 | 272 | 20,185,970 | AME, MTD, DCI, CPHD | 13F-HR | 2/6/2015 | 000095012315001000 |
| Q3 2014 | 280 | 21,720,908 | AME, DCI, MTD, NDSN | 13F-HR | 11/12/2014 | 000095012314011534 |
| Q2 2014 | 303 | 24,920,236 | AME, MTD, DCI, NDSN | 13F-HR | 8/12/2014 | 000095012314008438 |
| Q1 2014 | 301 | 25,436,009 | AME, DCI, MTD, CPHD | 13F-HR | 5/12/2014 | 000095012314005414 |
| Q4 2013 | 301 | 26,180,554 | AME, DCI, MTD, CPHD | 13F-HR | 1/29/2014 | 000095012314000767 |