Activist Investor 13D, 13G Filings - Manager: Andreas Halvorsen, David Ott


This page shows a list of all the recent 13D/G filings made by Viking Global Investors LP. Schedule 13D is commonly referred to as a “beneficial ownership report.” The term "beneficial owner" is defined under SEC rules. It includes any person who directly or indirectly shares voting power or investment power (the power to sell the security).

When a person or group of persons acquires beneficial ownership of more than 5% of a voting class of a company’s equity securities, they are required to file a Schedule 13D within ten days after the purchase. Click the link icon to see the full transaction history.

DateForm Target Prev
Shares
Current
Shares
Change
(Percent)
Ownership
(Percent)
Change
(Percent)
2018‑10‑10 SC 13D UROV / Urovant Sciences Ltd. 22,703,669 75.6
2018‑07‑02 SC 13G EIDX / Eidos Therapeutics, Inc. 1,986,201 5.4
2018‑06‑25 SC 13G MIDD / Middleby Corp. (The) 3,031,662 5.4
2018‑03‑09 SC 13G X / United States Steel Corp. 9,662,352 5.5
2018‑02‑14 SC 13G/A JT / Jianpu Technology Inc. 6,544,545 9.5
2018‑02‑14 SC 13G/A PE / Parsley Energy, Inc. 17,807,523 18,144,801 1.89 7.3 1.39
2018‑02‑14 SC 13G/A DCPH / Deciphera Pharmaceuticals, Inc. 2,394,625 7.3
2018‑02‑14 SC 13G/A ABEO / Abeona Therapeutics Inc. 2,238,720 4,040,727 80.49 8.6 53.57
2018‑02‑14 SC 13G/A COG / Cabot Oil & Gas Corp. 27,013,169 0 -100.00 0.0 -100.00
2018‑02‑14 SC 13G/A MYOV / Myovant Sciences Ltd. 37,231,342 37,231,342 0.00 61.0 -1.29
2018‑02‑14 SC 13G/A GPOR / Gulfport Energy Corp. 9,133,350 0 -100.00 0.0 -100.00
2018‑02‑14 SC 13G/A CALA / Calithera Biosciences, Inc. 2,420,317 1,643,681 -32.09 4.6 -33.33
2018‑02‑14 SC 13G/A ECA / EnCana Corp. 72,773,415 93,384,875 28.32 9.6 28.00
2018‑02‑14 SC 13G/A RICE / Rice Energy Inc. 12,028,939 0 -100.00 0.0 -100.00
2018‑02‑14 SC 13G/A LIFE / aTyr Pharma, Inc. 2,932,229 2,978,490 1.58 9.5 0.00
2018‑01‑16 SC 13D/A ABUS / Arbutus Biopharma Corporation 16,013,540 16,013,540 0.00 29.1 0.00
2017‑10‑26 SC 13G PE / Parsley Energy, Inc. 17,807,523 7.2
2017‑10‑17 SC 13D/A ABUS / Arbutus Biopharma Corporation 16,013,540 16,013,540 0.00 29.1 0.00
2017‑10‑17 SC 13D/A ABUS / Arbutus Biopharma Corporation 16,013,540 29.1
2017‑10‑02 SC 13G ABEO / Abeona Therapeutics Inc. 2,238,720 5.6
2017‑09‑11 SC 13G LIFE / aTyr Pharma, Inc. 2,932,229 2,932,229 0.00 9.5 0.00
2017‑09‑08 SC 13G LIFE / aTyr Pharma, Inc. 2,932,229 9.5
2017‑07‑10 SC 13G/A RICE / Rice Energy Inc. 11,206,758 12,028,939 7.34 5.8 5.45
2017‑07‑10 SC 13G/A ECA / EnCana Corp. 88,788,457 72,773,415 -18.04 7.5 -17.58
2017‑07‑10 SC 13G/A CALA / Calithera Biosciences, Inc. 1,607,936 2,420,317 50.52 6.9 -11.54
2017‑07‑06 SC 13D/A AXON / Axovant Sciences Ltd. 75,000,000 75,000,000 0.00 69.8 0.00
2017‑07‑06 SC 13D/A ABUS / Arbutus Biopharma Corporation 16,013,540 16,013,540 0.00 29.1 0.00
2017‑06‑14 SC 13D/A ABUS / Arbutus Biopharma Corporation 16,013,540 16,013,540 0.00 29.1 -0.68
2017‑06‑14 SC 13D/A AXON / Axovant Sciences Ltd. 75,000,000 75,000,000 0.00 69.8 -7.67
2017‑03‑20 SC 13G GPOR / Gulfport Energy Corp. 6,299,375 9,133,350 44.99 5.8 45.00
2017‑02‑21 SC 13G CALA / Calithera Biosciences, Inc. 1,607,936 7.8
2017‑02‑14 SC 13G/A SWN / Southwestern Energy Co. 35,515,793 0 -100.00 0.0 -100.00
2017‑02‑14 SC 13G/A KITE / Kite Pharma, Inc. 2,441,232 0 -100.00 0.0 -100.00
2017‑02‑14 SC 13G/A RICE / Rice Energy Inc. 10,134,260 11,206,758 10.58 5.5 -15.38
2017‑02‑14 SC 13G/A DYN / Dynegy Inc. 6,340,547 0 -100.00 0.0 -100.00
2017‑02‑14 SC 13G/A CPN / Calpine Corp. 20,540,332 0 -100.00 0.0 -100.00
2017‑02‑14 SC 13G/A COG / Cabot Oil & Gas Corp. 30,853,936 27,013,169 -12.45 5.8 -22.67
2017‑02‑14 SC 13G/A SWNC / Southwestern Energy Co. 35,515,793 0 -100.00 0.0 -100.00
2017‑02‑14 SC 13G/A RRC / Range Resources Corp. 11,588,198 3,103,533 -73.22 1.3 -80.88
2017‑02‑14 SC 13G/A GPOR / Gulfport Energy Corp. 7,893,422 6,299,375 -20.19 4.0 -45.21
2017‑02‑14 SC 13G/A ECA / EnCana Corp. 54,823,606 88,788,457 61.95 9.1 40.00
2017‑02‑14 SC 13G/A EDIT / Editas Medicine, Inc. 2,729,808 1,709,401 -37.38 4.7 -37.33
2017‑02‑14 SC 13G/A LNG / Cheniere Energy, Inc. 15,920,523 0 -100.00 0.0 -100.00
2017‑02‑14 SC 13G/A PXD / Pioneer Natural Resources Co. 9,371,105 0 -100.00 0.0 -100.00
2017‑02‑14 SC 13G/A QUNR / Qunar Cayman Islands Ltd 25,568,241 0 -100.00 0.0 -100.00
2017‑02‑10 SC 13G MYOV / Myovant Sciences Ltd. 37,231,342 61.8
2017‑02‑10 SC 13G/A MYOV / Myovant Sciences Ltd. 37,231,342 37,231,342 0.00 61.8 0.00
2016‑07‑13 SC 13D AXON / Axovant Sciences Ltd. 75,000,000 75.6
2016‑07‑13 SC 13D ABUS / Arbutus Biopharma Corporation 16,013,540 29.3
2016‑07‑05 SC 13G CPN / Calpine Corp. 20,540,332 5.7
2016‑06‑24 SC 13G/A FDC / First Data Corporation 21,750,064 0 -100.00 0.0 -100.00
2016‑05‑13 SC 13G DYN / Dynegy Inc. 6,340,547 5.4
2016‑04‑25 SC 13G RICE / Rice Energy Inc. 10,134,260 6.5
2016‑02‑29 SC 13G KITE / Kite Pharma, Inc. 2,207,203 2,441,232 10.60 5.0 8.70
2016‑02‑16 SC 13G FDC / First Data Corporation 21,750,064 10.8
2016‑02‑16 SC 13G/A SEE / Sealed Air Corp. 0 0.0
2016‑02‑16 SC 13G/A CTRP / Ctrip.com International, Ltd. 1,680,908 470,892 -71.99 0.8 -84.62
2016‑02‑16 SC 13G/A ESPR / Esperion Therapeutics, Inc. 1,335,101 0 -100.00 0.0 -100.00
2016‑02‑16 SC 13G/A KITE / Kite Pharma, Inc. 2,688,738 2,207,203 -17.91 4.6 -24.59
2016‑02‑16 SC 13G/A QUNR / Qunar Cayman Islands Ltd 10,156,644 25,568,241 151.74 6.7 3.08
2016‑02‑16 SC 13G/A EVHC / Envision Healthcare Holdings, Inc. 11,535,925 7,808,316 -32.31 4.2 -33.33
2016‑02‑16 SC 13G/A LNG / Cheniere Energy, Inc. 15,920,523 6.7
2016‑02‑16 SC 13G/A KSU / Kansas City Southern 375,639 0.3
2016‑02‑16 SC 13G/A MHK / Mohawk Industries, Inc. 0 0.0
2016‑02‑16 SC 13G/A LH / Laboratory Corp. of America Holdings 5,398,933 3,208,708 -40.57 3.2 -39.62
2016‑02‑16 SC 13G/A WLL / Whiting Petroleum Corp. 10,260,287 0 -100.00 0.0 -100.00
2016‑02‑16 SC 13G/A ILMN / Illumina, Inc. 0 0.0
2016‑02‑16 SC 13G/A BRCM / Broadcom Corporation 29,713,564 33,747,218 13.58 6.0 13.21
2016‑02‑16 SC 13G/A PXD / Pioneer Natural Resources Co. 8,962,186 9,371,105 4.56 5.8 -3.33
2016‑02‑09 SC 13G EDIT / Editas Medicine, Inc. 2,729,808 7.5
2016‑02‑01 SC 13G ECA / EnCana Corp. 54,823,606 6.5
2016‑01‑29 SC 13G GPOR / Gulfport Energy Corp. 7,893,422 7.3
2016‑01‑25 SC 13G RRC / Range Resources Corp. 11,588,198 6.8
2016‑01‑25 SC 13G RGRYY / Range Resources Ltd. 11,588,198 6.8
2016‑01‑21 SC 13G SWN / Southwestern Energy Co. 35,515,793 9.2
2016‑01‑21 SC 13G COG / Cabot Oil & Gas Corp. 30,853,936 7.5
2016‑01‑21 SC 13G SWNC / Southwestern Energy Co. 35,515,793 9.2
2015‑11‑09 SC 13G BRCM / Broadcom Corporation 29,713,564 5.3
2015‑10‑30 SC 13G PXD / Pioneer Natural Resources Co. 8,962,186 6.0
2015‑10‑13 SC 13G LH / Laboratory Corp. of America Holdings 5,398,933 5.3
2015‑10‑05 SC 13G KITE / Kite Pharma, Inc. 2,688,738 6.1
2015‑08‑31 SC 13G MNK / Maillinckrodt plc. 5,727,201 4.9
2015‑07‑17 SC 13G CTRP / Ctrip.com International, Ltd. 1,680,908 5.2
2015‑07‑17 SC 13G QUNR / Qunar Cayman Islands Ltd 10,156,644 6.5
2015‑07‑13 SC 13G WLL / Whiting Petroleum Corp. 10,260,287 5.0
2015‑06‑29 SC 13G ESPR / Esperion Therapeutics, Inc. 1,335,101 5.9
2015‑05‑15 SC 13G CAR / Avis Budget Group, Inc. 4,415,339 4.2
2015‑04‑20 SC 13G EVHC / Envision Healthcare Holdings, Inc. 11,535,925 6.3