POET Technologies sees 5.5% stake held by Jane Street

POET Technologies Inc. received an updated Schedule 13G/A from Jane Street entities reporting a sizable passive ownership stake in its common shares.

Rhea-AI Filing Summary

POET Technologies Inc. received an updated Schedule 13G/A from Jane Street entities reporting a sizable passive ownership stake in its common shares.

Jane Street Group, LLC, together with Jane Street Capital, LLC and Jane Street Global Trading, LLC, reported beneficial ownership of 9,514,777 common shares, representing 5.5% of the class as of 06/30/2026. All of these shares are held with shared voting and dispositive power and no sole voting or dispositive power.

Key Figures

Total beneficial ownership: 9,514,777 common shares Percent of class: 5.5% Jane Street Capital holdings: 8,714,386 common shares +3 more

6 metrics

Total beneficial ownership 9,514,777 common shares Shares beneficially owned by Jane Street Group, LLC and subsidiaries as of 06/30/2026

Percent of class 5.5% Portion of POET common share class beneficially owned by Jane Street entities

Jane Street Capital holdings 8,714,386 common shares Shares with shared voting and dispositive power held by Jane Street Capital, LLC

Jane Street Global Trading holdings 800,391 common shares Shares with shared voting and dispositive power held by Jane Street Global Trading, LLC

Sole voting power 0 shares Shares over which Jane Street entities have sole power to vote

Shared voting power 9,514,777 shares Shares over which Jane Street entities share voting power

Key Terms

beneficially owned, shared voting power, shared dispositive power, percent of class, +1 more

5 terms

beneficially owned financial

"Amount beneficially owned: 9,514,777.00"

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 voting power financial

"Shared Voting Power 9,514,777.00"

Shared voting power occurs when two or more parties jointly have the right to vote or decide how a block of company shares is cast, like co-owners who must agree before moving a piece of furniture. Investors care because who controls voting rights affects board elections, major corporate decisions and takeover outcomes, and shared control can alter regulatory disclosures and the practical influence any holder has over a company’s direction and value.

shared dispositive power financial

"Shared Dispositive Power 9,514,777.00"

percent of class financial

"Percent of class: 5.5%"

Percent of class is the portion of a specific category of securities—such as a company’s common shares, preferred shares, or a bond series—that takes part in or approves a corporate action (vote, consent, tender, etc.). Investors watch this number because it reveals how much support or opposition exists within that particular shareholder group; like counting how many members of a club back a proposal, it can determine whether a plan passes or how influence is distributed.

parent holding company financial

"If a parent holding company has filed this schedule"

FAQ

AI-generated questions and answers. How Rhea-AI works. Not financial advice.

What stake does Jane Street report in POET (POET) in this Schedule 13G/A?

Jane Street entities report beneficial ownership of 9,514,777 POET common shares, representing 5.5% of the outstanding class as of June 30, 2026. All shares are held with shared voting and dispositive power, and none with sole power.

Which Jane Street entities are reporting ownership in POET (POET)?

The filing lists Jane Street Group, LLC as the parent holding company, with Jane Street Capital, LLC and Jane Street Global Trading, LLC as the subsidiaries through which the POET common shares are held and reported as beneficially owned.

How much of POET (POET) stock is held by each Jane Street subsidiary?

Jane Street Capital, LLC reports 8,714,386 shares (5.1%) with shared voting and dispositive power, while Jane Street Global Trading, LLC reports 800,391 shares (0.5%) with shared voting and dispositive power, together totaling 9,514,777 POET common shares.

Does Jane Street have sole voting or dispositive power over POET (POET) shares?

The filing states Jane Street entities have 0 shares with sole voting power and 0 shares with sole dispositive power. All 9,514,777 POET common shares are reported with shared voting and shared dispositive power among the Jane Street entities.

What is the reporting date associated with Jane Street’s POET (POET) ownership?

The ownership information is tied to June 30, 2026. As of that date, Jane Street entities collectively reported beneficial ownership of 9,514,777 POET common shares, representing 5.5% of the company’s outstanding common share class.

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

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Available on EDGAR 08/13/2026 - 04:20 PM Accepted by SEC EDGAR 08/13/2026 - 04:20 PM Learn about SEC filing dates

SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13G

UNDER THE SECURITIES EXCHANGE ACT OF 1934

(Amendment No. 1)

POET TECHNOLOGIES INC.

(Name of Issuer)

Common Shares, no par value

(Title of Class of Securities)

(CUSIP Number)

06/30/2026

(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

CUSIP No.

1

Names of Reporting Persons

JANE STREET GROUP, 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 0.00
6	Shared Voting Power 9,514,777.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 9,514,777.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

9,514,777.00

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)

5.5 %

12

Type of Reporting Person (See Instructions)

HC

SCHEDULE 13G

CUSIP No.

1

Names of Reporting Persons

Jane Street Capital, 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 0.00
6	Shared Voting Power 8,714,386.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 8,714,386.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

8,714,386.00

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)

5.1 %

12

Type of Reporting Person (See Instructions)

BD

SCHEDULE 13G

CUSIP No.

1

Names of Reporting Persons

Jane Street Global Trading, 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 0.00
6	Shared Voting Power 800,391.00
7	Sole Dispositive Power 0.00
8	Shared Dispositive Power 800,391.00

9

Aggregate Amount Beneficially Owned by Each Reporting Person

800,391.00

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)

0.5 %

12

Type of Reporting Person (See Instructions)

OO

SCHEDULE 13G

Item 1.
(a)	Name of issuer: POET TECHNOLOGIES INC.
(b)	Address of issuer's principal executive offices: 120 EGLINTON AVENUE EAST, 120 EGLINTON AVENUE EAST, TORONTO, ONTARIO, ONTARIO, CANADA, M4P 1E2.
Item 2.
(a)	Name of person filing: Jane Street Group, LLC; Jane Street Capital, LLC; Jane Street Global Trading, LLC
(b)	Address or principal business office or, if none, residence: Jane Street Group, LLC 250 Vesey Street 3rd Floor New York, NY 10281 Jane Street Capital, LLC 250 Vesey Street 3rd Floor New York, NY 10281 Jane Street Global Trading, LLC 250 Vesey Street 3rd Floor New York, NY 10281
(c)	Citizenship: See Item 4 of Cover Page
(d)	Title of class of securities: Common Shares, no par value
(e)	CUSIP No.:
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: 9,514,777.00
(b)	Percent of class: 5.5%
(c)	Number of shares as to which the person has:
	(i) Sole power to vote or to direct the vote: 0
	(ii) Shared power to vote or to direct the vote: 9,514,777.00
	(iii) Sole power to dispose or to direct the disposition of: 0
	(iv) Shared power to dispose or to direct the disposition of: 9,514,777.00
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.
	Not Applicable
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. Jane Street Capital, LLC Jane Street Global Trading, LLC
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 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.

JANE STREET GROUP, LLC

Signature:	/s/ Jeremy Kahn
Name/Title:	Jeremy Kahn (Authorized Signatory)
Date:	08/13/2026

Jane Street Capital, LLC

Signature:	/s/ Jeremy Kahn
Name/Title:	Jeremy Kahn (Authorized Signatory)
Date:	08/13/2026

Jane Street Global Trading, LLC

Signature:	/s/ Jeremy Kahn
Name/Title:	Jeremy Kahn (Authorized Signatory)
Date:	08/13/2026