The shares are held for institutional and other clients for whom Donald Smith & Co., Inc. acts as investment adviser. The firm certifies the holdings are in the ordinary course of business and not for the purpose of changing or influencing control of Allegiant Travel. No single client is said to own more than 5% of the outstanding common stock.
Positive
None.
Negative
None.
Insights
Passive institutional holder reports a sizable, but non‑control, Allegiant stake.
Donald Smith & Co., Inc.9.27% of the class, via advisory accounts, with DSCO Value Fund, L.P. also listed as a reporting person.
The certification states the position is held in the ordinary course of business and not to change or influence control. Economic benefits and dividend or sale proceeds rest with underlying clients, and the adviser’s discretionary authority can be revoked, which limits long‑term control implications.
Because the filing is made under Rule 13d‑1(b) for qualified institutions, it characterizes this as a passive stake. Future ownership updates in subsequent beneficial‑ownership reports would show whether this position grows above or falls below current levels.
What stake did Donald Smith & Co., Inc. report in Allegiant Travel (ALGT)?
Donald Smith & Co., Inc. reported beneficial ownership of 1,697,898 Allegiant Travel common shares, representing about 9.27% of the outstanding class. These shares are held across advisory client accounts for which the firm serves as investment adviser, rather than as proprietary holdings.
Which entities are reporting beneficial ownership of Allegiant Travel (ALGT)?
The filing identifies Donald Smith & Co., Inc.DSCO Value Fund, L.P.
Is Donald Smith & Co., Inc. a passive investor in Allegiant Travel (ALGT)?
Yes. Donald Smith & Co., Inc. certifies the Allegiant Travel securities were acquired and are held in the ordinary course of business and not for the purpose of changing or influencing control of the issuer, consistent with a passive institutional investment under Rule 13d‑1(b).
Who ultimately receives dividends and sale proceeds from the Allegiant Travel (ALGT) shares?
According to the filing, Donald Smith & Co., Inc. does not serve as custodian. Dividends and sale proceeds are received by the firm’s clients or their custodians or trustee banks, and institutional clients ultimately direct the receipt of income related to their Allegiant Travel holdings.
Does any single client of Donald Smith & Co., Inc. own over 5% of Allegiant Travel (ALGT)?
The filing states that, to the adviser’s knowledge, no single advisory client owns more than 5% of Allegiant Travel’s common stock. Various persons have rights to dividends or proceeds, but each individual interest is below the 5% ownership threshold described.
What voting and dispositive powers does Donald Smith & Co., Inc. report for Allegiant Travel (ALGT) shares?
The firm reports sole voting power over 1,620,296 shares and sole dispositive power over 1,682,056 shares, with DSCO Value Fund, L.P. having sole voting and dispositive power over 15,842 shares. No shared voting or shared dispositive power is reported for these positions.
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
SCHEDULE 13G
UNDER THE SECURITIES EXCHANGE ACT OF 1934
Allegiant Travel CO
(Name of Issuer)
Common
(Title of Class of Securities)
01748X102
(CUSIP Number)
12/31/2025
(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)
SCHEDULE 13G
CUSIP No.
01748X102
1
Names of Reporting Persons
DONALD SMITH & CO., INC.
2
Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
3
Sec Use Only
4
Citizenship or Place of Organization
DELAWARE
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
1,620,296.00
6
Shared Voting Power
0.00
7
Sole Dispositive Power
1,682,056.00
8
Shared Dispositive Power
0.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
1,697,898.00
10
Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
11
Percent of class represented by amount in row (9)
9.3 %
12
Type of Reporting Person (See Instructions)
IA
SCHEDULE 13G
CUSIP No.
01748X102
1
Names of Reporting Persons
DSCO Value Fund, L.P.
2
Check the appropriate box if a member of a Group (see instructions)
(a)
(b)
3
Sec Use Only
4
Citizenship or Place of Organization
DELAWARE
Number of Shares Beneficially Owned by Each Reporting Person With:
5
Sole Voting Power
15,842.00
6
Shared Voting Power
0.00
7
Sole Dispositive Power
15,842.00
8
Shared Dispositive Power
0.00
9
Aggregate Amount Beneficially Owned by Each Reporting Person
1,697,898.00
10
Check box if the aggregate amount in row (9) excludes certain shares (See Instructions)
11
Percent of class represented by amount in row (9)
9.3 %
12
Type of Reporting Person (See Instructions)
PN
SCHEDULE 13G
Item 1.
(a)
Name of issuer:
Allegiant Travel CO
(b)
Address of issuer's principal executive offices:
1201 N. TOWN CENTER DRIVE, LAS VEGAS, NEVADA, 89144.
Item 2.
(a)
Name of person filing:
Donald Smith & Co.,Inc.
(b)
Address or principal business office or, if none, residence:
152 West 57th Street
New York, NY 10019
(c)
Citizenship:
A Delaware Corporation
(d)
Title of class of securities:
Common
(e)
CUSIP No.:
01748X102
Item 3.
If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:
(a)
Broker or dealer registered under section 15 of the Act (15 U.S.C. 78o);
(b)
Bank as defined in section 3(a)(6) of the Act (15 U.S.C. 78c);
(c)
Insurance company as defined in section 3(a)(19) of the Act (15 U.S.C. 78c);
(d)
Investment company registered under section 8 of the Investment Company Act of 1940 (15 U.S.C. 80a-8);
(e)
An investment adviser in accordance with § 240.13d-1(b)(1)(ii)(E);
(f)
An employee benefit plan or endowment fund in accordance with § 240.13d-1(b)(1)(ii)(F);
(g)
A parent holding company or control person in accordance with § 240.13d-1(b)(1)(ii)(G);
(h)
A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);
(i)
A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940 (15 U.S.C. 80a-3);
(j)
A non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J). If filing as a non-U.S. institution in accordance with § 240.13d-1(b)(1)(ii)(J),
please specify the type of institution:
(k)
Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).
Item 4.
Ownership
(a)
Amount beneficially owned:
1,697,898
(b)
Percent of class:
9.27%
(c)
Number of shares as to which the person has:
(i) Sole power to vote or to direct the vote:
Donald Smith & Co., Inc. 1,620,296
DSCO Value Fund, L.P. 15,842
(ii) Shared power to vote or to direct the vote:
SEE ITEM 6
(iii) Sole power to dispose or to direct the disposition of:
Donald Smith & Co., Inc. 1,682,056
DSCO Value Fund, L.P. 15,842
(iv) Shared power to dispose or to direct the disposition of:
SEE ITEM 6
Item 5.
Ownership of 5 Percent or Less of a Class.
Not Applicable
Item 6.
Ownership of more than 5 Percent on Behalf of Another Person.
If any other person is known to have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, such securities, a statement to that effect should be included in response to this item and, if such interest relates to more than 5 percent of the class, such person should be identified. A listing of the shareholders of an investment company registered under the Investment Company Act of 1940 or the beneficiaries of employee benefit plan, pension fund or endowment fund is not required.
1. Donald Smith & Co., Inc. does not serve as custodian of the assets of any of its clients; accordingly, in each instance only the client or the client?s custodian or trustee bank has the right to receive dividends paid with respect to, and proceeds from the sale of, such securities. The ultimate power to direct the receipt of dividends paid with respect to, and the proceeds from the sale of, such securities, is vested in the institutional clients which Donald Smith & Co., Inc. serves as investment advisor. Any and all discretionary authority which has been delegated to Donald Smith & Co., Inc. may be revoked in whole or in part at any time. To the knowledge of Donald Smith & Co., Inc., with respect to all securities reported in this schedule owned by advisory clients of Donald Smith & Co., Inc., not more than 5% of the class of such securities is owned by any one client. 2. With respect to the remaining securities owned, various persons have the right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, the Common Stock of Allegiant Travel Co. No one person?s interest in the Common Stock of Allegiant Travel Co. is more than five percent of the total outstanding Common Stock.
Item 7.
Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
Not Applicable
Item 8.
Identification and Classification of Members of the Group.
If a group has filed this schedule pursuant to §240.13d-1(b)(1)(ii)(K), so indicate under Item 3(k) and attach an exhibit stating the identity and Item 3 classification of each member of the group. If a group has filed this schedule pursuant to §240.13d-1(c) or §240.13d-1(d), attach an exhibit stating the identity of each member of the group.
FILED PURSUANT TO RULE 13d-1(b) or 13d-2(b)
RULE 13d-1(f)(1) EXHIBIT A:
Donald Smith & Co., Inc. IA
DSCO Value Fund, L.P. PN
Item 9.
Notice of Dissolution of Group.
Not Applicable
Item 10.
Certifications:
By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection with a nomination under § 240.14a-11.
SIGNATURE
After reasonable inquiry and to the best of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.
