SIR Capital Management Expands Market Presence with New Stakes in Energy, Mining, and Utilities

In Vontier, SIR Capital Management reported buying 176,100 shares in the fourth quarter valued at about $6.547 million, and the company’s stock repurchase authorization was made by its Board of Directors on May 19 (as detailed in the report).
In ONE Gas, SIR’s new position totaled 162,523 shares purchased in the fourth quarter, valued at approximately $12.555 million; ONE Gas was described as SIR’s 27th-largest holding and 1.4% of its portfolio.
In HudBay Minerals, SIR increased its stake by 65.9% in the fourth quarter, ending with 744,517 shares (adding 295,717 shares) worth about $14.779 million at the end of the most recent reporting period.
HudBay Minerals also drew major changes from other institutions—Bank of Nova Scotia boosted its position by 662.0% in the third quarter to 4,273,384 shares (after adding 3,712,572 shares), according to the same holdings-tracking report.
In Liberty Energy, chairman William F. Kimble sold 7,350 shares on May 5 at an average price of $33.92 (total proceeds of $249,312). After the sale, he held 89,805 shares—described as a 7.57% decrease in his position.
SIR Capital Management L.P. has taken a new stake in Vontier, buying 176,100 shares worth about $6.547 million in the fourth quarter, according to HedgeFollow. The move came just weeks before Vontier's Board of Directors authorized a $1 billion share repurchase program on May 19, 2026, according to Vontier IR.
The New York-based hedge fund did not stop at Vontier. SIR Capital also opened new positions in ONE Gas and Liberty Energy, boosted its stake in HudBay Minerals by 65.9%, and added shares in Albemarle — all in a single quarter. The moves signal a deliberate rotation into energy infrastructure, mining, and industrial technology.
SIR Capital bought 162,523 shares of ONE Gas in the fourth quarter, valued at roughly $12.555 million, according to Watchlist News. The position became SIR's 27th-largest holding and represents 1.4% of its total portfolio. ONE Gas is a 100% regulated natural gas utility serving Oklahoma and Texas, offering the kind of steady, low-risk income that hedge funds often seek during uncertain markets.
The appeal is clear: regulated utilities do not face the same price swings as unregulated energy companies. With industrial demand rising in Texas and Oklahoma — partly driven by data centers — ONE Gas offers what analysts call a "defensive growth" profile. CEO Robert S. McAnnally leads the firm's regulated-only strategy, which now counts SIR Capital among its top 30 institutional holders.
SIR Capital raised its HudBay Minerals position by 295,717 shares in the fourth quarter — a 65.9% increase — ending with 744,517 shares worth about $14.779 million, according to MarketBeat. HudBay is a copper and gold miner, and its prospects are brightening. S&P Global upgraded its credit rating to 'BB-' from 'B+' in February 2026, citing the company's growing metal diversity and progress on the Copper World project.
SIR Capital was not alone. Bank of Nova Scotia boosted its HudBay position by a staggering 662.0% in the prior quarter, adding 3,712,572 shares to reach a total of 4,273,384, according to MarketBeat. HudBay's board also approved a plan to buy back up to 5% of its outstanding shares, with the Toronto Stock Exchange signing off on May 28, according to GlobeNewswire. Investors are now watching for a final decision on the Copper World project, which could lift annual copper output by 50% by 2027.
Vontier makes software and hardware for fueling stations and electric vehicle charging. Its Driivz EV platform is a key growth bet. But analysts have lowered their average price target to about $40.91, pointing to slow organic growth of just 1.7% in the first quarter, according to Simply Wall St. The stock trades at roughly 9.9 times earnings — a level SIR Capital apparently sees as a bargain.
The $1 billion buyback authorized by Vontier's board on May 19 is designed to support the stock during what CEO Mark Morelli calls a "shift toward higher-margin, recurring mobility technologies." Critics argue the buyback papers over weak operating results. Bulls counter that SIR Capital's entry at depressed prices is a classic value play — buying a cheap stock while the company reinvents itself.
SIR Capital also opened a new position in Liberty Energy, an oilfield services company. But insiders moved in the opposite direction. Chairman William F. Kimble sold 7,350 shares on May 5 at an average price of $33.92 per share, collecting $249,312 in proceeds, according to Investing.com. After the sale, Kimble held 89,805 shares — a 7.57% reduction in his stake.
The sale follows a strong stretch for Liberty Energy. The company reported first-quarter earnings that beat forecasts by 146%, according to Investing.com. Some analysts read Kimble's sale as standard diversification after a big run-up. Others see it as a caution signal. Either way, institutional investors still own about 86% of Liberty Energy's shares, meaning professional money continues to dominate the stock.
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