WMB — WILLIAMS COS INC DEL

Ownership history in Heronetta Management, L.P.  ·  40 quarters on record

This page tracks every 13F SEC filing in which Heronetta Management, L.P. reported a position in WILLIAMS COS INC DEL (WMB). Data includes quarterly share count, position size as % of portfolio, estimated market value, and end-of-quarter stock price — sourced directly from SEC EDGAR 13F filings.

Peak position
9.67% (2025 Q2)
Avg. % of fund
5.07%
First filed
2013 Q4
Last filed
2025 Q4
Quarters held
40
Quarter Action Shares Change Chg % % of Fund Mkt Value Price (EOQ)
2025 Q4 REDUCED 250,152 -26,125 -9.5% 8.69% $15.0M $59.68
2025 Q3 UNCHANGED 276,277 — 0% 9.58% $17.5M $62.38
2025 Q2 UNCHANGED 276,277 — 0% 9.67% $17.4M $61.33
2025 Q1 REDUCED 276,277 -1,100 -0.4% 9.02% $16.5M $57.86
36 older quarters hidden  —  Sign in free or upgrade to Premium to see full history
% of Fund (quarterly)    WMB price (monthly, adj. close)

Other funds also holding WMB

As of 2025 Q4 — sorted by position size

WALNUT PRIVATE EQUITY PARTNERS, LLC 3Y 7Y 16.91% KAYNE ANDERSON CAPITAL ADVISORS LP 3Y 7Y 10.44% Robertson Opportunity Capital, LLC 3Y 7Y 9.45% Amplify Investments, LLC 9.26% RR Advisors, LLC 3Y 7Y 9.0% TORTOISE CAPITAL ADVISORS, L.L.C. 3Y 7Y 8.69% R.M.SINCERBEAUX CAPITAL MANAGEMENT LLC 3Y 7Y 8.63% SL ADVISORS, LLC 3Y 7Y 8.2% CHICKASAW CAPITAL MANAGEMENT LLC 3Y 7Y 7.56% Fractal Investments LLC 3Y 6.83%
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