SemGroup Corp

(NYSE: SEMG)
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56.43 Down -0.71 -1.24%
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OWNERSHIP INFORMATION
Shares Outstanding 42.00 Mil
Institutional Ownership (%) NA
Top 10 Institutions (%) 49.80
Mutual Fund Ownership (%) 1.41
5%/Insider Ownership (%) 0.00
Float (%) 0.00
OWNERSHIP ACTIVITY
DESCRIPTION # OF HOLDERS SHARES
Total Positions 180 43,244,470
New Positions 36 0
Soldout Positions 68 0
Net Position Change -16 -8,195,226
Buyers 105 10,195,228
Sellers 121 -18,390,454
VIEW:
INSTITUTION NAME SHS HELD SHS CHG %CHG $CHG* %OUT %PORT RPT DATE
Lone Pine Capital LLC 3,906,318 1,733,383 79.8 117,116,467 9.3 1.1 03-31-13
Wellington Management Company, LLP 3,417,078 -23,741 -0.7 42,264,067 8.1 0.1 03-31-13
BlackRock Institutional Trust Company, N.A. 2,294,847 199,601 9.5 36,807,273 5.5 0 03-31-13
The Vanguard Group, Inc. 2,206,292 55,936 2.6 30,073,510 5.3 0 03-31-13
Soroban Capital Partners LLC 2,000,000 -749,969 -27.3 -4,028,789 4.8 2.8 03-31-13
Jennison Associates LLC 1,869,484 1,865,991 53,420.9 96,553,206 4.4 0.1 03-31-13
Senator Investment Group LP 1,661,000 0 0 20,995,040 4 1.9 03-31-13
Iridian Asset Management LLC 1,492,613 1,492,613 100 77,197,944 3.6 0.9 03-31-13
New Mountain Capital, LLC 1,073,097 -972,650 -47.5 -24,447,216 2.6 3.3 03-31-13
Third Avenue Management LLC 1,004,001 3,419 0.3 12,824,187 2.4 1 03-31-13
Columbus Hill Capital Management, L.P. 995,221 122,000 14 17,347,353 2.4 6 03-31-13
Halcyon Asset Management LLC 957,000 107,000 12.6 16,278,040 2.3 9.7 03-31-13
Natixis Arbitrage 918,520 -300 0 11,598,368 2.2 1.7 03-31-13
Renaissance Technologies Corp. 886,900 385,200 76.8 26,264,032 2.1 0.1 03-31-13
State Street Global Advisors (US) 804,284 18,264 2.3 10,879,906 1.9 0 03-31-13
  • *Category Headings:
  • Shs Held - shares held at report date
  • Shs Chg - position change within reporting period
  • %Chg - % change
  • $Chg - market value of the position change
  • %Out - % of shares outstanding
  • %Port - % Portfolio
  • Rpt Date - report date
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