STOCK TITAN

[SCHEDULE 13G] LENNOX INTERNATIONAL INC Passive Investment Disclosure (>5%)

(Neutral)
(Neutral)
Form Type
SCHEDULE 13G

Rhea-AI Filing Summary

Viking Global Investors and affiliated entities report shared beneficial ownership of Lennox International Inc. common stock. The filing lists 1,815,350 shares held by Viking Global Investors (VGI), representing 5.2% of the class based on 34,817,885 shares outstanding as of March 26, 2026. The filing breaks ownership across affiliated managers and funds, including Viking Global Performance LLC (1,174,224 shares, 3.4%) and underlying feeder/master vehicles. The report states the shares are held with shared voting and dispositive power among the reporting persons and that neither Halvorsen nor Shabet directly own shares; each is deemed to beneficially own the aggregated positions under Rule 13d-3.

Positive

  • None.

Negative

  • None.

Insights

Routine Schedule 13G: passive/beneficial ownership disclosure by an investment manager.

The filing documents aggregated positions across multiple Viking entities, attributing shared voting and dispositive power over 1,815,350 shares to VGI, equivalent to 5.2% of the class as of March 26, 2026. This is a standard beneficial-ownership disclosure required when ownership thresholds are met.

Key dependencies include the issuer's reported outstanding shares and the relationships among feeder/master funds; subsequent filings or amendments could update percentages if positions change.

Filing clarifies attribution under Rule 13d-3 and joint filing authority.

The report explains managerial and voting arrangements: VGI provides managerial services and certain entities act as general partners or investment managers, leading to Rule 13d-3 attribution across affiliated vehicles. Signature exhibits show authorized signatory arrangements.

Investors and compliance teams should reference the stated March 26, 2026 outstanding-share base when calculating percent ownership; future Schedule 13D/G updates would reflect any active changes.

VGI beneficial ownership 1,815,350 shares VGI total beneficially owned (Item 4)
Percent of class (VGI) 5.2% Based on 34,817,885 shares outstanding as of March 26, 2026
VGP beneficial ownership 1,174,224 shares VGP total beneficially owned (Item 4)
VGEM beneficial ownership 1,150,729 shares VGEM total beneficially owned (Item 4)
VLFM beneficial ownership 434,463 shares VLFM total beneficially owned (Item 4)
Shares outstanding used 34,817,885 shares Shares outstanding as of March 26, 2026 (proxy statement)
Rule 13d-3 regulatory
"Based on Rule 13d-3 , as amended (the "Act"), VGI may be deemed to beneficially own"
Rule 13d-3 defines who is treated as the beneficial owner of a company’s shares for U.S. securities disclosure rules — essentially anyone who has the power to vote or direct how shares are voted, or the power to buy or sell them, even if they don’t hold the certificates. For investors this matters because crossing certain ownership thresholds triggers public filing and disclosure obligations and signals potential control or influence, much like having the keys to a car implies you can drive it even if it’s registered to someone else.
beneficially owned financial
"Amount beneficially owned: VGI: 1,815,350 VGP: 1,174,224"
Beneficially owned describes securities or assets where a person has the economic rights and control—such as the right to receive dividends and to direct voting—even if legal title is held in another name. Think of it like having the keys and using a car that’s registered to someone else: you get the benefits and make decisions. Investors care because beneficial ownership reveals who truly controls value and voting power, affecting corporate decisions and takeover dynamics.
shared dispositive power financial
"Shared Dispositive Power 1,815,350.00 for VGI"

AI-generated analysis. How Rhea-AI works. Not financial advice.

See more from StockTitan in Google Search and AI answers. Adds StockTitan as a preferred source · opens Google
Add on Google
Learn about SEC filing dates





526107107

(CUSIP Number)
04/15/2026

(Date of Event Which Requires Filing of this Statement)


Check the appropriate box to designate the rule pursuant to which this Schedule is filed:
Rule 13d-1(b)
Rule 13d-1(c)
Rule 13d-1(d)




schemaVersion:


SCHEDULE 13G




Comment for Type of Reporting Person: See Item 4


SCHEDULE 13G




Comment for Type of Reporting Person: See Item 4


SCHEDULE 13G




Comment for Type of Reporting Person: See Item 4


SCHEDULE 13G




Comment for Type of Reporting Person: See Item 4


SCHEDULE 13G




Comment for Type of Reporting Person: See Item 4


SCHEDULE 13G




Comment for Type of Reporting Person: See Item 4


SCHEDULE 13G




Comment for Type of Reporting Person: See Item 4


SCHEDULE 13G




Comment for Type of Reporting Person: See Item 4


SCHEDULE 13G




Comment for Type of Reporting Person: See Item 4


SCHEDULE 13G




Comment for Type of Reporting Person: See Item 4


SCHEDULE 13G




Comment for Type of Reporting Person: See Item 4


SCHEDULE 13G




Comment for Type of Reporting Person: See Item 4


SCHEDULE 13G



VIKING GLOBAL INVESTORS LP
Signature:/s/ Scott M. Hendler
Name/Title:Scott M. Hendler on behalf of Viking Global Investors LP (1)(2)
Date:04/22/2026
VIKING GLOBAL PERFORMANCE LLC
Signature:/s/ Scott M. Hendler
Name/Title:Scott M. Hendler on behalf of Viking Global Performance LLC (1)(2)
Date:04/22/2026
Viking Global Equities II LP
Signature:/s/ Scott M. Hendler
Name/Title:Scott M. Hendler on behalf of Viking Global Equities II LP (1)(2)
Date:04/22/2026
Viking Global Equities Master Ltd.
Signature:/s/ Scott M. Hendler
Name/Title:Scott M. Hendler on behalf of Viking Global Equities Master Ltd. (1)(2)
Date:04/22/2026
Viking Long Fund GP LLC
Signature:/s/ Scott M. Hendler
Name/Title:Scott M. Hendler on behalf of Viking Long Fund GP LLC (1)(2)
Date:04/22/2026
Viking Long Fund Master Ltd.
Signature:/s/ Scott M. Hendler
Name/Title:Scott M. Hendler on behalf of Viking Long Fund Master Ltd. (1)(2)
Date:04/22/2026
Viking Global Opportunities Parent GP LLC
Signature:/s/ Scott M. Hendler
Name/Title:Scott M. Hendler on behalf of Viking Global Opportunities Parent GP LLC (1)(2)
Date:04/22/2026
Viking Global Opportunities GP LLC
Signature:/s/ Scott M. Hendler
Name/Title:Scott M. Hendler on behalf of Viking Global Opportunities GP LLC (1)(2)
Date:04/22/2026
Viking Global Opportunities Portfolio GP LLC
Signature:/s/ Scott M. Hendler
Name/Title:Scott M. Hendler on behalf of Viking Global Opportunities Portfolio GP LLC (1)(2)
Date:04/22/2026
Viking Global Opportunities Liquid Portfolio Sub-Master LP
Signature:/s/ Scott M. Hendler
Name/Title:Scott M. Hendler on behalf of Viking Global Opportunities Liquid Portfolio Sub-Master LP (1)(2)
Date:04/22/2026
HALVORSEN OLE ANDREAS
Signature:/s/ Scott M. Hendler
Name/Title:Scott M. Hendler on behalf of O. Andreas Halvorsen (1)
Date:04/22/2026
Shabet Rose Sharon
Signature:/s/ Scott M. Hendler
Name/Title:Scott M. Hendler on behalf of Rose S. Shabet (2)
Date:04/22/2026

Comments accompanying signature: (1) Scott M. Hendler is signing on behalf of O. Andreas Halvorsen, individually and as an Executive Committee Member of VIKING GLOBAL PARTNERS LLC, on behalf of VIKING GLOBAL INVESTORS LP, and as an Executive Committee Member of VIKING GLOBAL PERFORMANCE LLC, on behalf of itself and VIKING GLOBAL EQUITIES II LP and VIKING GLOBAL EQUITIES MASTER LTD., and as an Executive Committee Member of VIKING LONG FUND GP LLC, on behalf of itself and VIKING LONG FUND MASTER LTD., and as an Executive Committee Member of VIKING GLOBAL OPPORTUNITIES PARENT GP LLC, on behalf of itself and VIKING GLOBAL OPPORTUNITIES GP LLC, VIKING GLOBAL OPPORTUNITIES PORTFOLIO GP LLC, and VIKING GLOBAL OPPORTUNITIES LIQUID PORTFOLIO SUB-MASTER LP, pursuant to an authorization and designation letter dated February 9, 2021, which was previously filed with the Commission as an exhibit to a Form 13G filed by Mr. Halvorsen on February 12, 2021 (SEC File No. 005-49737). (2) Scott M. Hendler is signing on behalf of Rose S. Shabet, individually and as an Executive Committee Member of VIKING GLOBAL PARTNERS LLC, on behalf of VIKING GLOBAL INVESTORS LP, and as an Executive Committee Member of VIKING GLOBAL PERFORMANCE LLC, on behalf of itself and VIKING GLOBAL EQUITIES II LP and VIKING GLOBAL EQUITIES MASTER LTD., and as an Executive Committee Member of VIKING LONG FUND GP LLC, on behalf of itself and VIKING LONG FUND MASTER LTD., and as an Executive Committee Member of VIKING GLOBAL OPPORTUNITIES PARENT GP LLC, on behalf of itself and VIKING GLOBAL OPPORTUNITIES GP LLC, VIKING GLOBAL OPPORTUNITIES PORTFOLIO GP LLC, and VIKING GLOBAL OPPORTUNITIES LIQUID PORTFOLIO SUB-MASTER LP, pursuant to an authorization and designation letter dated February 9, 2021, which was previously filed with the Commission as an exhibit to a Form 13G filed by Ms. Shabet on February 12, 2021 (SEC File No. 005-49737).
Exhibit Information

EXHIBIT A - JOINT FILING AGREEMENT