Schedule 13G/A: BlackRock Reports 16.46M TWLO Shares (10.7%)

Rhea-AI Filing Summary

BlackRock, Inc. reported beneficial ownership of 16,455,770 shares of Twilio Inc. Class A stock, representing 10.7% of the class. BlackRock states it has sole voting power over 15,253,719 shares and sole dispositive power over 16,455,770 shares. The filing is a Schedule 13G/A and affirms the holdings are held in the ordinary course of business and not for the purpose of changing or influencing control of Twilio. The disclosure aggregates securities held by certain BlackRock business units and notes that various other persons have rights to dividends or sale proceeds but no single person's interest exceeds 5% of the class.

Positive

• Material disclosure of 10.7% stake in TWLO provides transparency about major institutional ownership
• Certifies passive intent by filing under Schedule 13G/A and stating holdings are not for changing control
• Sole voting and dispositive power figures are explicitly reported (15,253,719 votes; 16,455,770 dispositive)

Negative

• None.

Insights

Financial Analyst

TL;DR: Large passive stake: 10.7% ownership signals a significant institutional position without intent to exert control.

BlackRock's Schedule 13G/A discloses a material 10.7% stake in TWLO, with sole dispositive power over 16.5 million shares and sole voting power over 15.3 million shares. The filing follows the Schedule 13G framework for passive investors and includes the standard certification that the stake is held in the ordinary course of business and not to influence control. For investors, this represents concentrated institutional ownership but, per the filer, not an active control posture.

Corporate Governance Expert

TL;DR: Disclosure is compliant and indicates passive ownership; no group or activist designation is claimed.

The statement identifies BlackRock, Inc. as the reporting person and classifies the filing under the Schedule 13G framework, indicating passive intent. Item 6 clarifies that while various persons may have rights to dividends or proceeds, no single beneficiary holds more than 5% of the class. The filing includes exhibits for power of attorney and Item 7 details, and is signed by a Managing Director, consistent with regulatory formality.

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 5)

TWILIO INC

(Name of Issuer)

Class A Stock

(Title of Class of Securities)

90138F102

(CUSIP Number)

08/29/2025

(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. 90138F102

1

Names of Reporting Persons

BlackRock, 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 15,253,719.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 16,455,770.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

16,455,770.00

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)

10.7 %

12

Type of Reporting Person (See Instructions)

HC, HC

SCHEDULE 13G

Item 1.
(a)	Name of issuer: TWILIO INC
(b)	Address of issuer's principal executive offices: 101 SPEAR STREET, SUITE 500, San Francisco, CALIFORNIA, 94105
Item 2.
(a)	Name of person filing: BlackRock, Inc. In accordance with SEC Release No. 34-39538 (January 12, 1998), this Schedule 13G reflects the securities beneficially owned, or deemed to be beneficially owned, by certain business units (collectively, the "Reporting Business Units") of BlackRock, Inc. and its subsidiaries and affiliates. It does not include securities, if any, beneficially owned by other business units whose beneficial ownership of securities are disaggregated from that of the Reporting Business Units in accordance with such release.
(b)	Address or principal business office or, if none, residence: BlackRock, Inc., 50 Hudson Yards New York, NY 10001
(c)	Citizenship: See Item 4 of Cover Page
(d)	Title of class of securities: Class A Stock
(e)	CUSIP No.: 90138F102
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: 16,455,770
(b)	Percent of class: 10.7%
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 15,253,719
	(ii) Shared power to vote or to direct the vote: 0
	(iii) Sole power to dispose or to direct the disposition of: 16,455,770
	(iv) Shared power to dispose or to direct the disposition of: 0
Item 5.	Ownership of 5 Percent or Less of a Class.
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. 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 Class A stock of TWILIO INC. No one person's interest in the Class A stock of TWILIO INC is more than five percent of the total outstanding common shares.
Item 7.	Identification and Classification of the Subsidiary Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.
	If a parent holding company has filed this schedule, pursuant to Rule 13d-1(b)(ii)(G), so indicate under Item 3(g) and attach an exhibit stating the identity and the Item 3 classification of the relevant subsidiary. If a parent holding company has filed this schedule pursuant to Rule 13d-1(c) or Rule 13d-1(d), attach an exhibit stating the identification of the relevant subsidiary. See Exhibit 99
Item 8.	Identification and Classification of Members of the Group.
	Not Applicable
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.

BlackRock, Inc.

Signature:	Spencer Fleming
Name/Title:	Managing Director
Date:	09/04/2025

Exhibit Information

Exhibit 24: Power of Attorney Exhibit 99: Item 7

FAQ

How many Twilio (TWLO) Class A shares does BlackRock report owning?

BlackRock reports beneficial ownership of 16,455,770 Class A shares of Twilio.

What percentage of TWLO does BlackRock's filing report?

The filing reports ownership equal to 10.7% of the Class A stock.

Does BlackRock claim it intends to influence control of Twilio (TWLO)?

No. The filing certifies the shares are held in the ordinary course of business and are not held to change or influence control of the issuer.

How many shares does BlackRock have sole voting power over?

BlackRock reports 15,253,719 shares as to which it has sole voting power.

Are any other persons identified as having more than 5% interest in TWLO in this filing?

No. The filing states various persons may have rights to dividends or proceeds but no one person's interest exceeds 5% of the Class A stock.