BlackRock Portfolio Management Discloses 400,000 Shares (38.5%) of TEK

Rhea-AI Filing Summary

BlackRock Portfolio Management LLC reports beneficial ownership of 400,000 shares of iShares Technology Opportunities Active ETF (CUSIP 09290C772), representing 38.5% of the outstanding common stock. The filing, submitted as an amendment to Schedule 13G, shows sole voting and dispositive power over all 400,000 shares and classifies the filer as an HC entity organized in Delaware. The document notes that these securities are held in the ordinary course of business and were not acquired to influence control of the issuer. Exhibits include a power of attorney and Item 7 detail.

Positive

• Beneficial ownership of 400,000 shares representing 38.5% of the class is clearly disclosed
• Sole voting and dispositive power over all reported shares is explicitly stated
• Filing certifies holdings are in the ordinary course of business, consistent with passive/investment management intent
• Exhibits attached include a power of attorney and Item 7 identification for transparency

Negative

• None.

Insights

Financial Analyst

TL;DR: A large, material stake of 38.5% is disclosed, making this a significant ownership position that investors should note.

The filing documents that BlackRock Portfolio Management LLC holds 400,000 shares, equal to 38.5% of the class, with sole voting and dispositive power. That scale of ownership is material relative to the class size and could meaningfully affect shareholder dynamics. The Schedule 13G classification and Item 10 certification state the position is held in the ordinary course of business and not to influence control, which is standard for passive/investment management reporting but still signals concentrated ownership.

Corporate Governance Expert

TL;DR: The filing is a routine disclosure under Schedule 13G but reflects a concentrated ownership stake that warrants governance attention.

The filer is identified as BlackRock Portfolio Management LLC (Delaware) with sole voting/dispositive power for all reported shares. The document includes exhibits for power of attorney and Item 7 details. The explicit certification that holdings are in the ordinary course of business is important for regulatory classification; however, the presence of a >5% interest by a related BlackRock business is noted in Item 6, indicating multiple BlackRock entities hold material positions in the issuer.

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 3)

iShares Technology Opportunities Active ETF

(Name of Issuer)

Common Stock

(Title of Class of Securities)

09290C772

(CUSIP Number)

08/31/2025

(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. 09290C772

1

Names of Reporting Persons

BlackRock Portfolio Management LLC

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 400,000.00
6	Shared Voting Power 0.00
7	Sole Dispositive Power 400,000.00
8	Shared Dispositive Power 0.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

400,000.00

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)

38.5 %

12

Type of Reporting Person (See Instructions)

HC

SCHEDULE 13G

Item 1.
(a)	Name of issuer: iShares Technology Opportunities Active ETF
(b)	Address of issuer's principal executive offices: 100 BELLEVUE PARKWAY WILMINGTON DE 19809
Item 2.
(a)	Name of person filing: BlackRock Portfolio Management LLC 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 Portfolio Management LLC, 50 Hudson Yards New York, NY 10001
(c)	Citizenship: See Item 4 of Cover Page
(d)	Title of class of securities: Common Stock
(e)	CUSIP No.: 09290C772
Item 4.	Ownership
(a)	Amount beneficially owned: 400000
(b)	Percent of class: 38.5 %
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 400000
	(ii) Shared power to vote or to direct the vote: 0
	(iii) Sole power to dispose or to direct the disposition of: 400000
	(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. The interest of 1 such person, BlackRock Financial Management, Inc.-MTM - Equity, in the common stock of iShares Technology Opportunities Active ETF 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.
	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 Portfolio Management LLC

Signature:	Spencer Fleming
Name/Title:	Managing Director
Date:	09/05/2025

Exhibit Information

Exhibit 24: Power of Attorney Exhibit 99: Item 7

FAQ

How many shares of TEK does BlackRock Portfolio Management LLC report owning?

The filing reports 400,000 shares beneficially owned by BlackRock Portfolio Management LLC.

What percentage of TEK does BlackRock's holding represent?

The reported holdings represent 38.5% of the outstanding common stock.

Does BlackRock claim voting or dispositive power over the shares of TEK?

Yes; the filing states BlackRock has sole voting and sole dispositive power over all 400,000 shares.

Was the position acquired to influence control of iShares Technology Opportunities Active ETF (TEK)?

Per Item 10, the filer certifies the securities were acquired and are held in the ordinary course of business and not to change or influence control of the issuer.

Which BlackRock entity is noted as having more than 5% ownership besides the filer?

Item 6 identifies BlackRock Financial Management, Inc.-MTM - Equity as having interest in the common stock exceeding 5%.