Warburg Pincus & Co. (CIK 0000929408)

Latest company ownership

SHC - Sotera Health Co
Role: Director
Shares held
43,822,952
Last filed at
Dec 5, 2025
Confidence Score
3.1
2025Q4
Confidence Score History
2021Q1 2025Q4
Shares held
17,922,779
Last filed at
Sep 20, 2022
Confidence Score
50.0
2025Q4
Confidence Score History
2021Q1 2025Q4
KOS - Kosmos Energy Ltd.
Role: Director
Shares held
6,074,222
Last filed at
Mar 1, 2019
Confidence Score
50.0
2025Q4
Confidence Score History
2013Q1 2025Q4
MBI - MBIA INC
Role: 10% Owner
Shares held
1,910,417
Last filed at
Aug 14, 2015
Confidence Score
50.0
2025Q4
Confidence Score History
2015Q2 2025Q4
OM - Outset Medical, Inc.
Role: 10% Owner
Shares held
815,394
Last filed at
Apr 15, 2021
Confidence Score
50.0
2025Q4
Confidence Score History
2021Q2 2025Q4
Shares held
241,546
Last filed at
Jul 21, 2009
Confidence Score
50.0
2025Q4
Confidence Score History
2009Q3 2025Q4
Shares held
233,337
Last filed at
Jun 29, 2020
Confidence Score
50.0
2025Q4
Confidence Score History
2019Q4 2025Q4
Shares held
0
Last filed at
Nov 13, 2019
Confidence Score
50.0
2025Q4
Confidence Score History
2019Q2 2025Q4
Shares held
0
Last filed at
Jun 12, 2019
Confidence Score
50.0
2025Q4
Confidence Score History
2016Q1 2025Q4
Shares held
0
Last filed at
Mar 21, 2019
Confidence Score
50.0
2025Q4
Confidence Score History
2018Q3 2025Q4
Shares held
0
Last filed at
May 25, 2016
Confidence Score
50.0
2025Q4
Confidence Score History
2015Q4 2025Q4
XWEL - XWELL, Inc.
Role: 10% Owner
Shares held
0
Last filed at
Jun 24, 2011
Confidence Score
50.0
2025Q4
Confidence Score History
2011Q2 2025Q4

Recent buy/sell transactions

Exec date Filing date Company Role Signal Confidence Shares % of shares Under plan? Amount (USD)
Dec 3, 2025 Dec 5, 2025 Sotera Health Co Director Sell 15.0 -9,720,000 -22.18% ✗ $158.7M
Dec 3, 2025 Dec 5, 2025 Sotera Health Co Director Sell 15.0 -9,720,000 -22.18% ✗ $158.7M
Nov 10, 2025 Nov 12, 2025 Sotera Health Co Director Sell 15.0 -18,000,000 -29.12% ✗ $281.7M
Nov 10, 2025 Nov 12, 2025 Sotera Health Co Director Sell 15.0 -18,000,000 -29.12% ✗ $281.7M
Sep 5, 2025 Sep 9, 2025 Sotera Health Co Director Sell 15.0 -12,000,000 -16.26% ✗ $181.3M
Sep 5, 2025 Sep 9, 2025 Sotera Health Co Director Sell 15.0 -12,000,000 -16.26% ✗ $181.3M
Sep 6, 2024 Sep 9, 2024 Sotera Health Co Director Sell 15.0 -15,000,000 -16.89% ✗ $225.5M
Sep 6, 2024 Sep 9, 2024 Sotera Health Co Director Sell 15.0 -15,000,000 -16.89% ✗ $225.5M
Mar 4, 2024 Mar 6, 2024 Sotera Health Co Director Sell 15.0 -16,594,363 -15.74% ✗ $237.4M
Mar 4, 2024 Mar 6, 2024 Sotera Health Co Director Sell 15.0 -16,594,363 -15.74% ✗ $237.4M
Sep 20, 2022 Sep 20, 2022 Alignment Healthcare, Inc. Director Sell 15.0 -2,044,006 -10.24% ✗ $29.9M
Aug 23, 2022 Aug 24, 2022 Alignment Healthcare, Inc. Director Sell 15.0 -682,000 -3.30% ✗ $10.6M
Aug 9, 2022 Aug 16, 2022 Alignment Healthcare, Inc. Director Sell 15.0 -2,120,000 -9.31% ✗ $34.3M
Nov 23, 2021 Nov 24, 2021 Alignment Healthcare, Inc. Director Sell 15.0 -2,033,936 -8.20% ✗ $40.9M
Apr 13, 2021 Apr 15, 2021 Outset Medical, Inc. 10% Owner Sell 15.0 -3,890,723 -82.22% ✗ $197.7M
Apr 6, 2021 Apr 8, 2021 Alignment Healthcare, Inc. Director Sell 15.0 -716,624 -2.81% ✗ $12.1M
Mar 30, 2021 Apr 1, 2021 Alignment Healthcare, Inc. Director Sell 15.0 -1,251,670 -4.68% ✗ $21.1M
Mar 22, 2021 Mar 24, 2021 Sotera Health Co Director Sell 15.0 -13,512,582 -11.36% ✗ $353M
Mar 22, 2021 Mar 24, 2021 Sotera Health Co Director Sell 15.0 -13,512,582 -11.36% ✗ $353M
Nov 25, 2020 Nov 30, 2020 Vital Energy, Inc. 10% Owner Sell 16.3 -537,737 -39.43% ✗ $6.5M
Nov 20, 2020 Nov 24, 2020 Vital Energy, Inc. 10% Owner Sell 15.0 -1,535,015 -24.36% ✗ $17.6M
Nov 18, 2020 Nov 20, 2020 Vital Energy, Inc. 10% Owner Sell 16.3 -485,753 -17.45% ✗ $5.6M
Jun 25, 2020 Jun 29, 2020 CrowdStrike Holdings, Inc. Director Sell 15.0 -7,461,963 -100.00% ✗ $773.1M
Apr 6, 2020 Apr 8, 2020 CrowdStrike Holdings, Inc. Director Sell 15.0 -10,000,000 -100.00% ✗ $575.1M
Jan 6, 2020 Jan 8, 2020 CrowdStrike Holdings, Inc. Director Sell 15.0 -5,000,000 -100.00% ✗ $265M
Dec 9, 2019 Dec 11, 2019 CrowdStrike Holdings, Inc. Director Sell 15.0 -7,500,000 -100.00% ✗ $353.7M
Nov 12, 2019 Nov 13, 2019 Antero Midstream Corp Director Sell 15.0 -45,930,874 -100.00% ✗ $299.5M
Sep 5, 2019 Sep 6, 2019 Antero Midstream Corp Director Sell 15.0 -30,127,421 -39.61% ✗ $205.2M
Jun 10, 2019 Jun 12, 2019 ANTERO RESOURCES Corp Director Sell 15.0 -16,094,190 -100.00% ✗ $99.3M
May 21, 2019 May 23, 2019 Antero Midstream Corp Director Sell 15.0 -15,042,135 -11.94% ✗ $189.7M
Mar 19, 2019 Mar 21, 2019 Triton International Ltd Director Sell 15.0 -7,132,790 -100.00% ✗ $221.8M
Mar 1, 2019 Mar 1, 2019 Kosmos Energy Ltd. Director Sell 15.0 -81,504,790 -81.91% ✗ $530.6M
Nov 26, 2018 Nov 28, 2018 Kosmos Energy Ltd. Director Sell 15.0 -154,859,103 -33.84% ✗ $835.7M
Nov 8, 2018 Nov 9, 2018 ANTERO RESOURCES Corp Director Sell 22.5 -5,194 -100.00% ✗ $82.4K
Nov 8, 2018 Nov 9, 2018 ANTERO RESOURCES Corp Director Sell 15.0 -12,994,806 -27.88% ✗ $206.2M
Nov 1, 2018 Nov 5, 2018 Triton International Ltd Director Sell 15.0 -337,000 -4.51% ✗ $11.7M
Sep 27, 2018 Sep 28, 2018 Vital Energy, Inc. 10% Owner Sell 15.0 -12,300,000 -10.73% ✗ $99.4M
Sep 19, 2018 Sep 21, 2018 Kosmos Energy Ltd. Director Sell 15.0 -16,847,571 -6.21% ✗ $150.6M
Sep 11, 2018 Sep 12, 2018 Vital Energy, Inc. 10% Owner Sell 15.0 -14,200,000 -10.06% ✗ $105.4M
Sep 5, 2018 Sep 7, 2018 Triton International Ltd Director Sell 15.0 -1,850,000 -19.85% ✗ $64.3M
May 26, 2017 May 31, 2017 Kosmos Energy Ltd. Director Sell 15.0 -29,638,106 -9.85% ✗ $214.9M
Jan 18, 2017 Jan 19, 2017 Kosmos Energy Ltd. Director Sell 15.0 -48,902,874 -13.98% ✗ $325.2M
May 24, 2016 May 25, 2016 Builders FirstSource, Inc. 10% Owner Sell 15.0 -13,263,266 -100.00% ✗ $137.9M
Mar 1, 2016 Mar 3, 2016 ANTERO RESOURCES Corp Director Sell 15.0 -4,751,186 -15.19% ✗ $102.2M
Mar 1, 2016 Mar 2, 2016 ANTERO RESOURCES Corp Director Sell 15.0 -4,902,679 -15.19% ✗ $105.4M
Nov 25, 2015 Nov 25, 2015 Builders FirstSource, Inc. 10% Owner Sell 15.0 -7,000,000 -34.55% ✗ $91.4M
Aug 13, 2015 Aug 14, 2015 MBIA INC 10% Owner Sell 15.0 -18,372,877 -90.58% ✗ $117.4M
May 22, 2015 May 22, 2015 MBIA INC 10% Owner Sell 15.0 -27,250,000 -57.33% ✗ $237.9M
Oct 10, 2014 Oct 15, 2014 Kosmos Energy Ltd. Director Sell 15.0 -24,451,437 -6.53% ✗ $228.1M
Jul 15, 2014 Jul 17, 2014 Kosmos Energy Ltd. Director Sell 15.0 -31,868,373 -7.85% ✗ $313.9M
Mar 15, 2013 Mar 18, 2013 Kosmos Energy Ltd. Director Sell 15.0 -6,789,275 -1.64% ✗ $74.7M
Feb 21, 2013 Feb 25, 2013 Kosmos Energy Ltd. Director Sell 15.0 -44,686,146 -9.77% ✗ $491.5M
Jun 22, 2011 Jun 24, 2011 XWELL, Inc. 10% Owner Sell 20.0 -840,116 -100.00% ✗ $320K
Jul 17, 2009 Jul 21, 2009 Viracta Therapeutics, Inc. 10% Owner Sell 22.5 -465,480 -12.68% ✗ $129K
Jul 15, 2009 Jul 17, 2009 Viracta Therapeutics, Inc. 10% Owner Sell 22.5 -177,220 -4.61% ✗ $54.6K
Jul 13, 2009 Jul 15, 2009 Viracta Therapeutics, Inc. 10% Owner Sell 22.5 -457,300 -10.62% ✗ $164.8K