Kodiak Gas Services, Inc.
KGS- Exchange
- NYSE
- Industry
- Natural Gas Transmission
- SEC CIK
- 0001767042
In the last 90 days, Kodiak Gas Services, Inc. insiders filed 3 open-market purchases and 9 sales; 410 institutions reported holding it in 13F filings for Q2 2026, worth $7.88B in total; Lone Pine Capital is the only superinvestor holding it.
Holders of 5% or more of KGS
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Kodiak Gas Services, Inc., largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| BlackRock, Inc. | 13G/A | 14.00%12.0M shares | +3.10 ppfrom 10.90% | Oct 2, 20252 filings | Jan 21, 2026 | SEC |
| Invesco Ltd. | 13G/A | 8.00%8.06M shares | −2.10 ppfrom 10.10% | Aug 7, 20255 filings | Aug 13, 2026 | SEC |
| Vanguard Portfolio Management LLC | 13G | 5.94%6.01M shares | New | Oct 30, 20261 filing | Oct 30, 2026 | SEC |
| Vanguard Capital Management LLC | 13G | 5.05%4.34M shares | New | Apr 30, 20261 filing | Apr 30, 2026 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
29 Schedule 13D and 13G filings on Kodiak Gas Services, Inc., newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Oct 30, 20261:55 PM ET | Vanguard Portfolio Management LLC | 13G | 5.94%6.01M shares | New | Sep 30, 2026 | SEC |
| Aug 13, 20262:56 PM ET | Invesco Ltd. | 13G/A | 8.00%8.06M shares | −2.10 ppfrom 10.10% | Jun 30, 2026 | SEC |
| Aug 6, 202610:31 AM ET | FMR LLCand 1 other | 13G/A | 4.10%4.07M shares | −1.80 ppfrom 5.90%Below 5% | Jun 30, 2026 | SEC |
| Apr 30, 202611:04 AM ET | Vanguard Capital Management LLC | 13G | 5.05%4.34M shares | New | Mar 31, 2026 | SEC |
| Mar 27, 202610:16 AM ET | Vanguard Group Inc | 13G/A | 0.00%0 shares | −7.11 ppfrom 7.11%Below 5% | Mar 13, 2026 | SEC |
| Mar 6, 202612:38 PM ET | Invesco Ltd. | 13G/A | 10.10%8.63M shares | +1.30 ppfrom 8.80% | Feb 27, 2026 | SEC |
| Mar 6, 202610:05 AM ET | FMR LLCand 1 other | 13G/A | 5.90%5.09M shares | −5.20 ppfrom 11.10% | Feb 27, 2026 | SEC |
| Feb 12, 20262:39 PM ET | Invesco Ltd. | 13G/A | 8.80%7.59M shares | +1.60 ppfrom 7.20% | Dec 31, 2025 | SEC |
| Feb 5, 20261:28 PM ET | FMR LLCand 1 other | 13G/A | 11.10%9.63M shares | +1.00 ppfrom 10.10% | Dec 31, 2025 | SEC |
| Jan 30, 20262:18 PM ET | Vanguard Group Inc | 13G/A | 7.11%6.17M shares | +1.80 ppfrom 5.31% | Dec 31, 2025 | SEC |
| Jan 21, 202612:30 PM ET | BlackRock, Inc. | 13G/A | 14.00%12.0M shares | +3.10 ppfrom 10.90% | Dec 31, 2025 | SEC |
| Dec 3, 20255:05 PM ET | Frontier TopCo Partnership, L.P.and 2 others | 13G/A | 0.00%0 shares | −11.40 ppfrom 11.40%Below 5% | Dec 1, 2025 | SEC |
| Nov 14, 20254:05 PM ET | Frontier TopCo Partnership, L.P.and 2 others | 13G/A | 11.40%9.76M shares | −11.40 ppfrom 22.80% | Nov 12, 2025 | SEC |
| Nov 6, 20254:23 PM ET | Invesco Ltd. | 13G/A | 7.20%6.31M shares | +1.70 ppfrom 5.50% | Sep 30, 2025 | SEC |
| Oct 31, 202511:03 AM ET | Vanguard Group Inc | 13G | 5.31%4.61M shares | New | Sep 30, 2025 | SEC |
| Oct 2, 20256:46 PM ET | BlackRock, Inc. | 13G | 10.90%9.45M shares | New | Sep 30, 2025 | SEC |
| Sep 10, 20254:28 PM ET | Frontier TopCo Partnership, L.P.and 2 others | 13G/A | 22.80%19.8M shares | −11.70 ppfrom 34.50% | Sep 8, 2025 | SEC |
| Sep 8, 202511:46 AM ET | FMR LLCand 1 other | 13G/A | 10.10%8.83M shares | +1.70 ppfrom 8.40% | Aug 29, 2025 | SEC |
| Aug 13, 20254:05 PM ET | Frontier TopCo Partnership, L.P.and 2 others | 13G/A | 34.50%29.8M shares | −1.20 ppfrom 35.70% | Aug 11, 2025 | SEC |
| Aug 7, 202511:36 AM ET | Invesco Ltd. | 13G | 5.50%4.87M shares | New | Jun 30, 2025 | SEC |
| May 14, 20254:05 PM ET | Frontier TopCo Partnership, L.P.and 2 others | 13G/A | 35.70%31.3M shares | −4.10 ppfrom 39.80% | May 12, 2025 | SEC |
| Feb 12, 20259:19 AM ET | FMR LLCand 1 other | 13G/A | 8.40%7.34M shares | – | Dec 31, 2024 | SEC |
| Feb 3, 20259:54 PM ET | Frontier TopCo Partnership, L.P.and 2 others | 13G/A | 39.80%34.8M shares | – | Jan 30, 2025 | SEC |
| Dec 13, 2024 | Frontier TopCo Partnership, L.P. | 13G/AOld format | – | – | – | SEC |
| Nov 18, 2024 | Frontier TopCo Partnership, L.P. | 13G/AOld format | – | – | – | SEC |
| Nov 12, 2024 | Frontier TopCo Partnership, L.P. | 13G/AOld format | – | – | – | SEC |
| Nov 12, 2024 | FMR LLC | 13GOld format | – | New | – | SEC |
| Apr 8, 2024 | Spartan Energy Holdco LLC | 13DOld format | – | New | – | SEC |
| Feb 12, 2024 | Frontier TopCo Partnership, L.P. | 13GOld format | – | New | – | SEC |
Form 144: proposed insider sales
27 notices from officers, directors and other affiliates planning to sell Kodiak Gas Services, Inc. shares, newest first.
| Filed (ET) | Seller | Shares to sell | Market value | Planned sale | Broker | Filing |
|---|---|---|---|---|---|---|
| Nov 12, 20267:36 AM ET | Lenamon William ChadOfficer | 1.00K | $44.2K | Nov 11, 202610b5-1 | Fidelity Brokerage Services LLC | SEC |
| Nov 3, 20265:57 PM ET | Robert Michael McKeeChief Executive Officer | 2.67K | $124.1K | Nov 3, 202610b5-1 | Goldman Sachs & Co. LLC | SEC |
| Oct 13, 20268:09 AM ET | Lenamon William ChadOfficer | 1.00K | $53.3K | Oct 12, 202610b5-1 | Fidelity Brokerage Services LLC | SEC |
| Oct 5, 20266:26 PM ET | Robert Michael McKeeChief Executive Officer | 2.67K | $142.8K | Oct 5, 202610b5-1 | Goldman Sachs & Co. LLC | SEC |
| Sep 16, 20269:41 AM ET | Buhigas Pedro R.Officer | 3.66K | $213.0K | Sep 16, 202610b5-1 | Fidelity Brokerage Services LLC | SEC |
| Sep 14, 20262:17 PM ET | Hamilton Ewan WilliamOfficer | 2.73K | $168.8K | Sep 14, 202610b5-1 | Fidelity Brokerage Services LLC | SEC |
| Sep 11, 20269:54 AM ET | Lenamon William ChadOfficer | 1.00K | $63.2K | Sep 11, 202610b5-1 | Fidelity Brokerage Services LLC | SEC |
| Sep 1, 20265:12 PM ET | Robert Michael McKeeChief Executive Officer | 6.00K | $357.2K | Sep 1, 202610b5-1 | Goldman Sachs & Co. LLC | SEC |
| Aug 19, 20266:27 PM ET | Robert Michael McKeeChief Executive Officer | 6.01K | $360.7K | Aug 19, 202610b5-1 | Goldman Sachs & Co. LLC | SEC |
| Aug 11, 202610:40 AM ET | Lenamon William ChadOfficer | 1.00K | $61.9K | Aug 11, 202610b5-1 | Fidelity Brokerage Services LLC | SEC |
| Jul 13, 20269:48 AM ET | Lenamon William ChadOfficer | 1.00K | $67.8K | Jul 13, 202610b5-1 | Fidelity Brokerage Services LLC | SEC |
| Jul 8, 202610:25 AM ET | Roclawski Cory AnneOfficer | 4.17K | $285.0K | Jul 8, 202610b5-1 | Fidelity Brokerage Services LLC | SEC |
| Jun 17, 202611:18 AM ET | Buhigas Pedro R.Officer | 4.63K | $313.5K | Jun 17, 202610b5-1 | Fidelity Brokerage Services LLC | SEC |
| Jun 16, 202610:55 AM ET | Hamilton Ewan WilliamOfficer | 2.73K | $187.3K | Jun 16, 202610b5-1 | Fidelity Brokerage Services LLC | SEC |
| Jun 11, 202611:07 AM ET | Lenamon William ChadOfficer | 1.00K | $67.8K | Jun 11, 202610b5-1 | Fidelity Brokerage Services LLC | SEC |
| Mar 19, 202611:45 AM ET | Buhigas Pedro R.Officer | 13.9K | $777.0K | Mar 19, 202610b5-1 | Fidelity Brokerage Services LLC | SEC |
| Mar 17, 20264:04 PM ET | Hamilton Ewan WilliamOfficer | 4.25K | $239.8K | Mar 17, 2026 | Fidelity Brokerage Services LLC | SEC |
| Mar 17, 202612:58 PM ET | Hamilton Ewan WilliamOfficer | 1.54K | $86.4K | Mar 17, 2026 | Fidelity Brokerage Services LLC | SEC |
| Mar 16, 20264:38 PM ET | Roclawski Cory AnneOfficer | 10.9K | $590.3K | Mar 16, 2026 | Fidelity Brokerage Services LLC | SEC |
| Mar 16, 20264:37 PM ET | Hamilton Ewan WilliamOfficer | 2.09K | $115.5K | Mar 16, 2026 | Fidelity Brokerage Services LLC | SEC |
| Mar 13, 20265:25 PM ET | Hamilton Ewan WilliamOfficer | 4.83K | $264.4K | Mar 13, 2026 | Fidelity Brokerage Services LLC | SEC |
| Mar 12, 20269:42 AM ET | Roclawski Cory AnneOfficer | 21.2K | $1.20M | Mar 12, 202610b5-1 | Fidelity Brokerage Services LLC | SEC |
| Jan 8, 20269:48 AM ET | Roclawski Cory AnneOfficer | 1.21K | $43.4K | Jan 8, 202610b5-1 | Fidelity Brokerage Services LLC | SEC |
| Jan 5, 202611:26 AM ET | Battle Kelly MichelleOfficer | 1.65K | $63.3K | Jan 5, 202610b5-1 | Fidelity Brokerage Services LLC | SEC |
| May 12, 20259:37 PM ET | Frontier TopCo Partnership, L.P.10% stockholder | 4.00M | $144.0M | May 12, 2025 | J.P. Morgan Securities, LLC | SEC |
Showing the latest 25. See the KGS notices from the last 12 months