13D/G large-stake feed

Latest 13D/G Reports

Since 04 May 2026. Review filer CIK, subject security, ownership %, and SEC evidence first.

Recent 13D/G signals

Large-stake disclosures to inspect

Start with holder, issuer/security, stake size, and SEC evidence.

13G/A

SB INVESTMENT ADVISERS (UK) LTD stake in Vir Biotechnology, Inc.

Holder CIK 0001731509

13G/A VIR
CIK
0001731509
Issuer
Vir Biotechnology, Inc.
Security
VIR
Source
SEC 13G/A
Action
Beneficial ownership disclosure
Magnitude
6.5% / 10,948,093 shares
Filed
15 May 2026, 21:00:01 UTC

Check whether this is a new stake, an amended position, or a material ownership change before moving to the issuer page.

13G/A

Freebird Partners LP stake in Ernexa Therapeutics Inc.

Holder CIK 0001955231

13G/A ERNA
CIK
0001955231
Issuer
Ernexa Therapeutics Inc.
Security
ERNA
Source
SEC 13G/A
Action
Beneficial ownership disclosure
Magnitude
9.9% / 120,412 shares
Filed
15 May 2026, 20:54:14 UTC

Check whether this is a new stake, an amended position, or a material ownership change before moving to the issuer page.

13G/A

HALPERN JOHN D stake in Ernexa Therapeutics Inc.

Holder CIK 0001234950

13G/A ERNA
CIK
0001234950
Issuer
Ernexa Therapeutics Inc.
Security
ERNA
Source
SEC 13G/A
Action
Beneficial ownership disclosure
Magnitude
5.6% / 66,751 shares
Filed
15 May 2026, 20:50:30 UTC

Check whether this is a new stake, an amended position, or a material ownership change before moving to the issuer page.

13G/A

ADAR1 Capital Management, LLC stake in Equillium, Inc.

Holder CIK 0001940272

13G/A EQ
CIK
0001940272
Issuer
Equillium, Inc.
Security
EQ
Source
SEC 13G/A
Action
Beneficial ownership disclosure
Magnitude
9.9% / 6,603,754 shares
Filed
15 May 2026, 20:47:26 UTC

Check whether this is a new stake, an amended position, or a material ownership change before moving to the issuer page.

13G/A

4338618 Canada Inc. stake in BRP Inc.

Holder CIK 0001768148

13G/A DOO
CIK
0001768148
Issuer
BRP Inc.
Security
DOO
Source
SEC 13G/A
Action
Beneficial ownership disclosure
Magnitude
30% / 21,709,901 shares
Filed
15 May 2026, 20:41:35 UTC

Check whether this is a new stake, an amended position, or a material ownership change before moving to the issuer page.

13D/A

GENERAL ATLANTIC, L.P. stake in ALKAMI TECHNOLOGY, INC.

Holder CIK 0001017645

13D/A ALKT
CIK
0001017645
Issuer
ALKAMI TECHNOLOGY, INC.
Security
ALKT
Source
SEC 13D/A
Action
Beneficial ownership disclosure
Magnitude
18% / 19,420,994 shares
Filed
15 May 2026, 20:35:33 UTC

Check whether this is a new stake, an amended position, or a material ownership change before moving to the issuer page.

Rows shown
501-550 of 3,991
Per page
50
Current page
11

Schedule 13D/G ownership events

Activist and large-stake radar

Stake size, change direction, reporting filer, issuer, active/passive form type, and SEC evidence.

Visible reports

6

Fresh large-stake filings promoted above the legacy table.

13D/13G mix

1/5

Active-intent candidates versus passive large-stake disclosures.

Largest visible stake

30%

Highest class ownership surfaced in the preview cards.

Newest evidence

15 May 2026

Use recency before treating an old large-stake story as fresh.

Signal checks

13D active-intent check

active/control intent, item text, amendments

13G passive stake check

large passive holder disclosure

Stake change direction

ownership percent and share change

Issuer and owner follow-up

issuer, filer history, insider activity, 13F context

SEC-verifiable Schedule 13D/G path

Open the Schedule 13D/G filing, then cross-check insider and Form 13F evidence.

Large-stake signal

SB INVESTMENT ADVISERS (UK) LTD

Vir Biotechnology, Inc. (VIR)

Schedule 13G/A Ownership 6.5% Filing-backed
CIK
000149315226024001
Source
SEC Schedule 13G/A
Action
Large stake reduction disclosed
Magnitude
6.5%
Filed
15 May 2026, 21:00:01 UTC
Period
31 Mar 2026

SB INVESTMENT ADVISERS (UK) LTD filed Schedule 13G/A for Vir Biotechnology, Inc. (VIR). Reported class ownership: 6.5%. Ownership change: -2.9%. Share change: -17%. Open the SEC evidence before treating this as an activist or passive large-stake signal.

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Large-stake signal

Freebird Partners LP

Ernexa Therapeutics Inc. (ERNA)

Schedule 13G/A Ownership 9.9% Filing-backed
CIK
000119312526227556
Source
SEC Schedule 13G/A
Action
Large beneficial ownership stake disclosed
Magnitude
9.9%
Filed
15 May 2026, 20:54:14 UTC
Period
10 Feb 2026

Freebird Partners LP filed Schedule 13G/A for Ernexa Therapeutics Inc. (ERNA). Reported class ownership: 9.9%. Ownership change: 0%. Share change: -85%. Open the SEC evidence before treating this as an activist or passive large-stake signal.

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Large-stake signal

HALPERN JOHN D

Ernexa Therapeutics Inc. (ERNA)

Schedule 13G/A Ownership 5.6% Filing-backed
CIK
000119312526227548
Source
SEC Schedule 13G/A
Action
Large beneficial ownership stake disclosed
Magnitude
5.6%
Filed
15 May 2026, 20:50:30 UTC
Period
10 Feb 2026

HALPERN JOHN D filed Schedule 13G/A for Ernexa Therapeutics Inc. (ERNA). Reported class ownership: 5.6%. Open the SEC evidence before treating this as an activist or passive large-stake signal.

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Large-stake signal

ADAR1 Capital Management, LLC

Equillium, Inc. (EQ)

Schedule 13G/A Ownership 9.9% Filing-backed
CIK
000110465926062882
Source
SEC Schedule 13G/A
Action
Large beneficial ownership stake disclosed
Magnitude
9.9%
Filed
15 May 2026, 20:47:26 UTC
Period
31 Mar 2026

ADAR1 Capital Management, LLC filed Schedule 13G/A for Equillium, Inc. (EQ). Reported class ownership: 9.9%. Ownership change: 0%. Share change: +6.6%. Open the SEC evidence before treating this as an activist or passive large-stake signal.

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Large-stake signal

4338618 Canada Inc.

BRP Inc. (DOO)

Schedule 13G/A Ownership 30% Filing-backed
CIK
000119312526227537
Source
SEC Schedule 13G/A
Action
Large beneficial ownership stake disclosed
Magnitude
30%
Filed
15 May 2026, 20:41:35 UTC
Period
31 Mar 2026

4338618 Canada Inc. filed Schedule 13G/A for BRP Inc. (DOO). Reported class ownership: 30%. Open the SEC evidence before treating this as an activist or passive large-stake signal.

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Large-stake signal

GENERAL ATLANTIC, L.P.

ALKAMI TECHNOLOGY, INC. (ALKT)

Schedule 13D/A Ownership 18% Filing-backed
CIK
000095014226001426
Source
SEC Schedule 13D/A
Action
Potential activist/control stake disclosed
Magnitude
18%
Filed
15 May 2026, 20:35:33 UTC
Period
13 May 2026

GENERAL ATLANTIC, L.P. filed Schedule 13D/A for ALKAMI TECHNOLOGY, INC. (ALKT). Reported class ownership: 18%. Ownership change: +1.8%. Share change: +11%. Open the SEC evidence before treating this as an activist or passive large-stake signal.

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Filed by Symbol Subject Shares owned Ownership % Source
SB INVESTMENT ADVISERS (UK) LTD CIK 0001731509 VIR Vir Biotechnology, Inc. 10,948,093 6.5% SEC filing
Freebird Partners LP CIK 0001955231 ERNA Ernexa Therapeutics Inc. 120,412 9.9% SEC filing
HALPERN JOHN D CIK 0001234950 ERNA Ernexa Therapeutics Inc. 66,751 5.6% SEC filing
ADAR1 Capital Management, LLC CIK 0001940272 EQ Equillium, Inc. 6,603,754 9.9% SEC filing
4338618 Canada Inc. CIK 0001768148 DOO BRP Inc. 21,709,901 30% SEC filing
GENERAL ATLANTIC, L.P. CIK 0001017645 ALKT ALKAMI TECHNOLOGY, INC. 19,420,994 18% SEC filing
FAIRFAX FINANCIAL HOLDINGS LTD/ CAN CIK 0000915191 UAA Under Armour, Inc. 45,300,872 24% SEC filing
Equitable Holdings, Inc. CIK 0001333986 CUSIP 00254B306 AB Private Lending Fund 4,400,000 65% SEC filing
Insight Holdings Group, LLC CIK 0001305473 COUR Coursera, Inc. 30,425,805 11% SEC filing
Insight Venture Partners IX, L.P. CIK 0001629398 EQPT EquipmentShare.com Inc 13,526,731 6.3% SEC filing
ADAR1 Capital Management, LLC CIK 0001940272 OKUR OnKure Therapeutics, Inc. 2,434,941 6% SEC filing
ADAR1 Capital Management, LLC CIK 0001940272 QNRX Quoin Pharmaceuticals, Ltd. 102,883 4.9% SEC filing
ADAR1 Capital Management, LLC CIK 0001940272 IKT Inhibikase Therapeutics, Inc. 13,860,028 9.9% SEC filing
Apollo Management Holdings GP, LLC CIK 0001449433 CYH COMMUNITY HEALTH SYSTEMS INC 11,489,316 8.2% SEC filing
ADAR1 Capital Management, LLC CIK 0001940272 GRCE Grace Therapeutics, Inc. 1,717,426 9.9% SEC filing
ADAR1 Capital Management, LLC CIK 0001940272 LONA LeonaBio, Inc. 727,481 7.7% SEC filing
TIEDEMANN ADVISORS, LLC CIK 0001483232 CUSIP FNLR04616 Fortress Net Lease REIT 9,330,076 9.5% SEC filing
ADAR1 Capital Management, LLC CIK 0001940272 HLXC Helix Acquisition Corp. III 1,000,000 5.6% SEC filing
CANADA PENSION PLAN INVESTMENT BOARD CIK 0001283718 SM SM Energy Co 14,493,791 6.1% SEC filing
Valiant Capital Management, L.P. CIK 0001452689 CORZ Core Scientific, Inc. 16,213,103 5.1% SEC filing
ALLIANCEBERNSTEIN L.P. CIK 0001109448 CUSIP 00254B306 AB Private Lending Fund 732,671 11% SEC filing
Palantir Technologies Inc. CIK 0001321655 SRFM Surf Air Mobility Inc. 3,487,084 3.5% SEC filing
BERTARELLI ERNESTO CIK 0001137404 MAIR Madison Air Solutions Corp 44,841,071 25% SEC filing
TPG GP A, LLC CIK 0001903793 LFST LifeStance Health Group, Inc. 111,744,614 29% SEC filing
Divisadero Street Capital Management, LP CIK 0001901865 TPB Turning Point Brands, Inc. 1,129,550 5.8% SEC filing
CMLS Holdings LLC CIK 0001822257 WGS GeneDx Holdings Corp. 5,356,767 18% SEC filing
Farokhzad Omid CIK 0001586852 SEER Seer, Inc. 6,918,732 12% SEC filing
Kryzanowski John A CIK 0001319645 PXLW PIXELWORKS, INC 476,839 7.5% SEC filing
Logos Global Management LP CIK 0001792126 TENX Tenax Therapeutics, Inc. 800,000 3% SEC filing
Logos Global Management LP CIK 0001792126 PTN PALATIN TECHNOLOGIES INC 182,162 9.9% SEC filing
Logos Global Management LP CIK 0001792126 IBIO iBio, Inc. 0 0% SEC filing
Logos Global Management LP CIK 0001792126 AVTX Avalo Therapeutics, Inc. 1,675,000 3.2% SEC filing
MERUS GLOBAL INVESTMENTS, LLC CIK 0001661897 MRLN Merlin, Inc. 0 0% SEC filing
Hyperscale Data, Inc. CIK 0000896493 YYGH YY Group Holding Ltd. 1,448,532 33% SEC filing
MERUS GLOBAL INVESTMENTS, LLC CIK 0001661897 DMYYW dMY Squared Technology Group, Inc. 0 0% SEC filing
Discerene Group LP CIK 0001632958 SABR Sabre Corporation 39,093,531 9.9% SEC filing
EAGLE CAPITAL MANAGEMENT LLC CIK 0000945631 WWD WOODWARD, INC. 2,464,338 4.1% SEC filing
EAGLE CAPITAL MANAGEMENT LLC CIK 0000945631 AER AerCap Holdings N.V. 7,315,306 4.4% SEC filing
MERUS GLOBAL INVESTMENTS, LLC CIK 0001661897 SVAC Spring Valley Acquisition Corp. III 1,975,000 8.6% SEC filing
MAK Capital Fund LP CIK 0001426156 LAB STANDARD BIOTOOLS INC. 26,172,626 6.7% SEC filing
EAGLE CAPITAL MANAGEMENT LLC CIK 0000945631 LEN LENNAR CORPORATION 10,880,455 5% SEC filing
SONA ASSET MANAGEMENT (US) LLC CIK 0001856405 SORNU Soren Acquisition Corp. 1,850,000 7% SEC filing
Technology Investment Dining Group, LLC CIK 0001884213 TOST Toast, Inc. 22,376,653 4.3% SEC filing
SONA ASSET MANAGEMENT (US) LLC CIK 0001856405 ZKPU Lafayette Digital Acquisition Corp. I 1,675,000 5.7% SEC filing
One Fin Capital Management LP CIK 0001753875 PCSC Perceptive Capital Solutions Corp 843,482 9.5% SEC filing
Bradley & Daytona Railway & Land Co. LLC CIK 0002005138 PWPRA Power REIT 23,772 7.1% SEC filing
VIKING GLOBAL INVESTORS LP CIK 0001103804 DNA Ginkgo Bioworks Holdings, Inc. 3,577,128 7.1% SEC filing
VIKING GLOBAL INVESTORS LP CIK 0001103804 CHWY Chewy, Inc. 0 0% SEC filing
VIKING GLOBAL INVESTORS LP CIK 0001103804 RLYB Rallybio Corporation 528,954 10% SEC filing
VIKING GLOBAL INVESTORS LP CIK 0001103804 FTV Fortive Corp 22,479,388 7.1% SEC filing
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