About this data
What it is
An investor who owns more than 5% of a public company must say so. Investors who may try to influence the company, such as activists, file the longer Schedule 13D; passive holders file the shorter Schedule 13G.
Who files it
The investor, within days of crossing 5%, and again whenever the stake changes materially.
How current
We collect new filings throughout the day on SEC business days.
Worth knowing
13G filings are far more common than 13D. A 13D usually means the investor intends to push for changes, so it tends to get more attention.

All of this comes from public filings.

Filings per day, last 30 days

0200400600800Oct 17 · 13D (activist): 0Oct 17 · 13G (passive): 0Oct 17Oct 18 · 13D (activist): 0Oct 18 · 13G (passive): 0Oct 19 · 13D (activist): 13Oct 19 · 13G (passive): 75Oct 20 · 13D (activist): 16Oct 20 · 13G (passive): 34Oct 21 · 13D (activist): 11Oct 21 · 13G (passive): 31Oct 21Oct 22 · 13D (activist): 16Oct 22 · 13G (passive): 48Oct 23 · 13D (activist): 13Oct 23 · 13G (passive): 24Oct 24 · 13D (activist): 0Oct 24 · 13G (passive): 0Oct 25 · 13D (activist): 0Oct 25 · 13G (passive): 0Oct 25Oct 26 · 13D (activist): 19Oct 26 · 13G (passive): 25Oct 27 · 13D (activist): 16Oct 27 · 13G (passive): 380Oct 28 · 13D (activist): 22Oct 28 · 13G (passive): 60Oct 29 · 13D (activist): 16Oct 29 · 13G (passive): 47Oct 29Oct 30 · 13D (activist): 16Oct 30 · 13G (passive): 343Oct 31 · 13D (activist): 0Oct 31 · 13G (passive): 0Nov 1 · 13D (activist): 0Nov 1 · 13G (passive): 0Nov 2 · 13D (activist): 20Nov 2 · 13G (passive): 36Nov 2Nov 3 · 13D (activist): 22Nov 3 · 13G (passive): 45Nov 4 · 13D (activist): 19Nov 4 · 13G (passive): 67Nov 5 · 13D (activist): 15Nov 5 · 13G (passive): 311Nov 6 · 13D (activist): 40Nov 6 · 13G (passive): 191Nov 6Nov 7 · 13D (activist): 0Nov 7 · 13G (passive): 0Nov 8 · 13D (activist): 0Nov 8 · 13G (passive): 0Nov 9 · 13D (activist): 40Nov 9 · 13G (passive): 140Nov 10 · 13D (activist): 27Nov 10 · 13G (passive): 289Nov 10Nov 11 · 13D (activist): 0Nov 11 · 13G (passive): 0Nov 12 · 13D (activist): 34Nov 12 · 13G (passive): 277Nov 13 · 13D (activist): 26Nov 13 · 13G (passive): 690Nov 14 · 13D (activist): 0Nov 14 · 13G (passive): 0Nov 14Nov 15 · 13D (activist): 0Nov 15 · 13G (passive): 0
0200400600800Oct 17 · 13D (activist): 0Oct 17 · 13G (passive): 0Oct 17Oct 18 · 13D (activist): 0Oct 18 · 13G (passive): 0Oct 19 · 13D (activist): 13Oct 19 · 13G (passive): 75Oct 20 · 13D (activist): 16Oct 20 · 13G (passive): 34Oct 21 · 13D (activist): 11Oct 21 · 13G (passive): 31Oct 21Oct 22 · 13D (activist): 16Oct 22 · 13G (passive): 48Oct 23 · 13D (activist): 13Oct 23 · 13G (passive): 24Oct 24 · 13D (activist): 0Oct 24 · 13G (passive): 0Oct 25 · 13D (activist): 0Oct 25 · 13G (passive): 0Oct 25Oct 26 · 13D (activist): 19Oct 26 · 13G (passive): 25Oct 27 · 13D (activist): 16Oct 27 · 13G (passive): 380Oct 28 · 13D (activist): 22Oct 28 · 13G (passive): 60Oct 29 · 13D (activist): 16Oct 29 · 13G (passive): 47Oct 29Oct 30 · 13D (activist): 16Oct 30 · 13G (passive): 343Oct 31 · 13D (activist): 0Oct 31 · 13G (passive): 0Nov 1 · 13D (activist): 0Nov 1 · 13G (passive): 0Nov 2 · 13D (activist): 20Nov 2 · 13G (passive): 36Nov 2Nov 3 · 13D (activist): 22Nov 3 · 13G (passive): 45Nov 4 · 13D (activist): 19Nov 4 · 13G (passive): 67Nov 5 · 13D (activist): 15Nov 5 · 13G (passive): 311Nov 6 · 13D (activist): 40Nov 6 · 13G (passive): 191Nov 6Nov 7 · 13D (activist): 0Nov 7 · 13G (passive): 0Nov 8 · 13D (activist): 0Nov 8 · 13G (passive): 0Nov 9 · 13D (activist): 40Nov 9 · 13G (passive): 140Nov 10 · 13D (activist): 27Nov 10 · 13G (passive): 289Nov 10Nov 11 · 13D (activist): 0Nov 11 · 13G (passive): 0Nov 12 · 13D (activist): 34Nov 12 · 13G (passive): 277Nov 13 · 13D (activist): 26Nov 13 · 13G (passive): 690Nov 14 · 13D (activist): 0Nov 14 · 13G (passive): 0Nov 14Nov 15 · 13D (activist): 0Nov 15 · 13G (passive): 0

13D (activist) 13G (passive)

Latest ownership filings

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Showing: ticker SWX

Latest ownership filings
FiledScheduleBoth report a stake of more than 5%. A 13D is filed by investors who may try to influence the company, such as activists; a 13G by passive holders.CompanyInvestorShares% of sharesFiling
Oct 30, 2026SCHEDULE 13GSWX
Southwest Gas Holdings, Inc.
Vanguard Capital Management3.72M5.1%SCHEDULE 13G ↗
Oct 27, 2026SCHEDULE 13G/A (amended)SWX
Southwest Gas Holdings, Inc.
BlackRock, Inc.10.93M15.1%SCHEDULE 13G/A ↗
May 8, 2026SCHEDULE 13D/A (amended)SWX
Southwest Gas Holdings, Inc.
Keith A. Meister3.62M5.0%SCHEDULE 13D/A ↗
May 8, 2026SCHEDULE 13D/A (amended)SWX
Southwest Gas Holdings, Inc.
Corvex Management LP3.62M5.0%SCHEDULE 13D/A ↗
Apr 29, 2026SCHEDULE 13GSWX
Southwest Gas Holdings, Inc.
Vanguard Portfolio Management3.88M5.4%SCHEDULE 13G ↗
Mar 27, 2026SCHEDULE 13G/A (amended)SWX
Southwest Gas Holdings, Inc.
The Vanguard Group00.0%SCHEDULE 13G/A ↗
Feb 5, 2026SCHEDULE 13G/A (amended)SWX
Southwest Gas Holdings, Inc.
Abigail P. Johnson5.65M7.8%SCHEDULE 13G/A ↗
Feb 5, 2026SCHEDULE 13G/A (amended)SWX
Southwest Gas Holdings, Inc.
FMR LLC5.65M7.8%SCHEDULE 13G/A ↗
Jan 29, 2026SCHEDULE 13D/A (amended)SWX
Southwest Gas Holdings, Inc.
Carl C. Icahn3.60M5.0%SCHEDULE 13D/A ↗
Jan 29, 2026SCHEDULE 13D/A (amended)SWX
Southwest Gas Holdings, Inc.
IEP Utility Holdings LLC00.0%SCHEDULE 13D/A ↗
Jan 29, 2026SCHEDULE 13D/A (amended)SWX
Southwest Gas Holdings, Inc.
Beckton Corp.3.60M5.0%SCHEDULE 13D/A ↗
Jan 29, 2026SCHEDULE 13D/A (amended)SWX
Southwest Gas Holdings, Inc.
Icahn Enterprises G.P. Inc.3.60M5.0%SCHEDULE 13D/A ↗
Jan 29, 2026SCHEDULE 13D/A (amended)SWX
Southwest Gas Holdings, Inc.
Icahn Enterprises Holdings L.P.3.60M5.0%SCHEDULE 13D/A ↗
Jan 29, 2026SCHEDULE 13D/A (amended)SWX
Southwest Gas Holdings, Inc.
Iph GP LLC3.60M5.0%SCHEDULE 13D/A ↗
Jan 29, 2026SCHEDULE 13D/A (amended)SWX
Southwest Gas Holdings, Inc.
Icahn Capital LP3.60M5.0%SCHEDULE 13D/A ↗
Jan 29, 2026SCHEDULE 13D/A (amended)SWX
Southwest Gas Holdings, Inc.
Icahn Onshore LP2.04M2.8%SCHEDULE 13D/A ↗
Jan 29, 2026SCHEDULE 13D/A (amended)SWX
Southwest Gas Holdings, Inc.
Icahn Partners LP2.04M2.8%SCHEDULE 13D/A ↗
Jan 29, 2026SCHEDULE 13D/A (amended)SWX
Southwest Gas Holdings, Inc.
Icahn Offshore LP1.56M2.2%SCHEDULE 13D/A ↗
Jan 29, 2026SCHEDULE 13D/A (amended)SWX
Southwest Gas Holdings, Inc.
Icahn Partners Master Fund LP1.56M2.2%SCHEDULE 13D/A ↗
Jan 21, 2026SCHEDULE 13D/A (amended)SWX
Southwest Gas Holdings, Inc.
Carl C. Icahn4.76M6.6%SCHEDULE 13D/A ↗
Jan 21, 2026SCHEDULE 13D/A (amended)SWX
Southwest Gas Holdings, Inc.
IEP Utility Holdings LLC00.0%SCHEDULE 13D/A ↗
Jan 21, 2026SCHEDULE 13D/A (amended)SWX
Southwest Gas Holdings, Inc.
Beckton Corp.4.76M6.6%SCHEDULE 13D/A ↗
Jan 21, 2026SCHEDULE 13D/A (amended)SWX
Southwest Gas Holdings, Inc.
Icahn Enterprises G.P. Inc.4.76M6.6%SCHEDULE 13D/A ↗
Jan 21, 2026SCHEDULE 13D/A (amended)SWX
Southwest Gas Holdings, Inc.
Icahn Enterprises Holdings L.P.4.76M6.6%SCHEDULE 13D/A ↗
Jan 21, 2026SCHEDULE 13D/A (amended)SWX
Southwest Gas Holdings, Inc.
Iph GP LLC4.76M6.6%SCHEDULE 13D/A ↗
Jan 21, 2026SCHEDULE 13D/A (amended)SWX
Southwest Gas Holdings, Inc.
Icahn Capital LP4.76M6.6%SCHEDULE 13D/A ↗
Jan 21, 2026SCHEDULE 13D/A (amended)SWX
Southwest Gas Holdings, Inc.
Icahn Onshore LP2.70M3.7%SCHEDULE 13D/A ↗
Jan 21, 2026SCHEDULE 13D/A (amended)SWX
Southwest Gas Holdings, Inc.
Icahn Partners LP2.70M3.7%SCHEDULE 13D/A ↗
Jan 21, 2026SCHEDULE 13D/A (amended)SWX
Southwest Gas Holdings, Inc.
Icahn Offshore LP2.06M2.9%SCHEDULE 13D/A ↗
Jan 21, 2026SCHEDULE 13D/A (amended)SWX
Southwest Gas Holdings, Inc.
Icahn Partners Master Fund LP2.06M2.9%SCHEDULE 13D/A ↗
Jan 2, 2026SCHEDULE 13D/A (amended)SWX
Southwest Gas Holdings, Inc.
Carl C. Icahn6.03M8.4%SCHEDULE 13D/A ↗
Jan 2, 2026SCHEDULE 13D/A (amended)SWX
Southwest Gas Holdings, Inc.
IEP Utility Holdings LLC00.0%SCHEDULE 13D/A ↗
Jan 2, 2026SCHEDULE 13D/A (amended)SWX
Southwest Gas Holdings, Inc.
Beckton Corp.6.03M8.4%SCHEDULE 13D/A ↗
Jan 2, 2026SCHEDULE 13D/A (amended)SWX
Southwest Gas Holdings, Inc.
Icahn Enterprises G.P. Inc.6.03M8.4%SCHEDULE 13D/A ↗
Jan 2, 2026SCHEDULE 13D/A (amended)SWX
Southwest Gas Holdings, Inc.
Icahn Enterprises Holdings L.P.6.03M8.4%SCHEDULE 13D/A ↗
Jan 2, 2026SCHEDULE 13D/A (amended)SWX
Southwest Gas Holdings, Inc.
Iph GP LLC6.03M8.4%SCHEDULE 13D/A ↗
Jan 2, 2026SCHEDULE 13D/A (amended)SWX
Southwest Gas Holdings, Inc.
Icahn Capital LP6.03M8.4%SCHEDULE 13D/A ↗
Jan 2, 2026SCHEDULE 13D/A (amended)SWX
Southwest Gas Holdings, Inc.
Icahn Onshore LP3.42M4.7%SCHEDULE 13D/A ↗
Jan 2, 2026SCHEDULE 13D/A (amended)SWX
Southwest Gas Holdings, Inc.
Icahn Partners LP3.42M4.7%SCHEDULE 13D/A ↗
Jan 2, 2026SCHEDULE 13D/A (amended)SWX
Southwest Gas Holdings, Inc.
Icahn Offshore LP2.61M3.6%SCHEDULE 13D/A ↗
Jan 2, 2026SCHEDULE 13D/A (amended)SWX
Southwest Gas Holdings, Inc.
Icahn Partners Master Fund LP2.61M3.6%SCHEDULE 13D/A ↗
Nov 26, 2025SCHEDULE 13D/A (amended)SWX
Southwest Gas Holdings, Inc.
Carl C. Icahn6.03M8.4%SCHEDULE 13D/A ↗
Nov 26, 2025SCHEDULE 13D/A (amended)SWX
Southwest Gas Holdings, Inc.
IEP Utility Holdings LLC00.0%SCHEDULE 13D/A ↗
Nov 26, 2025SCHEDULE 13D/A (amended)SWX
Southwest Gas Holdings, Inc.
Beckton Corp.6.03M8.4%SCHEDULE 13D/A ↗
Nov 26, 2025SCHEDULE 13D/A (amended)SWX
Southwest Gas Holdings, Inc.
Icahn Enterprises G.P. Inc.6.03M8.4%SCHEDULE 13D/A ↗
Nov 26, 2025SCHEDULE 13D/A (amended)SWX
Southwest Gas Holdings, Inc.
Icahn Enterprises Holdings L.P.6.03M8.4%SCHEDULE 13D/A ↗
Nov 26, 2025SCHEDULE 13D/A (amended)SWX
Southwest Gas Holdings, Inc.
Iph GP LLC6.03M8.4%SCHEDULE 13D/A ↗
Nov 26, 2025SCHEDULE 13D/A (amended)SWX
Southwest Gas Holdings, Inc.
Icahn Capital LP6.03M8.4%SCHEDULE 13D/A ↗
Nov 26, 2025SCHEDULE 13D/A (amended)SWX
Southwest Gas Holdings, Inc.
Icahn Onshore LP3.42M4.7%SCHEDULE 13D/A ↗
Nov 26, 2025SCHEDULE 13D/A (amended)SWX
Southwest Gas Holdings, Inc.
Icahn Partners LP3.42M4.7%SCHEDULE 13D/A ↗

The newest 50 items, most recent first. Every row links to its original filing. Updated Nov 15, 2026, 4:55 PM EST.

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