13D/G large-stake feed

Latest 13D/G Reports

Since 07 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

GOLDMAN SACHS GROUP INC stake in TRANSLATIONAL DEVELOPMENT ACQUISITION CORP.

Holder CIK 0000886982

13G TDACU
CIK
0000886982
Issuer
Translational Development Acquisition Corp.
Security
TDACU
Source
SEC 13G
Action
Beneficial ownership disclosure
Magnitude
6.1% / 1,054,120 shares
Filed
13 May 2026, 10:53:17 UTC

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

13G/A

JPMORGAN CHASE & CO stake in LB PHARMACEUTICALS INC

Holder CIK 0000019617

13G/A LBRX
CIK
0000019617
Issuer
LB PHARMACEUTICALS INC
Security
LBRX
Source
SEC 13G/A
Action
Beneficial ownership disclosure
Magnitude
4.9% / 1,427,568 shares
Filed
13 May 2026, 10:53:16 UTC

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

13G/A

BANK OF MONTREAL /CAN/ stake in SOL Strategies Inc.

Holder CIK 0000927971

13G/A STKE
CIK
0000927971
Issuer
SOL Strategies Inc.
Security
STKE
Source
SEC 13G/A
Action
Beneficial ownership disclosure
Magnitude
0.02% / 6,466 shares
Filed
13 May 2026, 10:53:08 UTC

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

13G

Clearthink Capital Partners, LLC stake in VOLATO GROUP, INC.

Holder CIK 0002003919

13G SOARW
CIK
0002003919
Issuer
Volato Group, Inc.
Security
SOARW
Source
SEC 13G
Action
Beneficial ownership disclosure
Magnitude
5.4% / 2,807,295 shares
Filed
13 May 2026, 10:51:27 UTC

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

13G

AQR CAPITAL MANAGEMENT LLC stake in RF Acquisition Corp III

Holder CIK 0001167557

13G RFAM
CIK
0001167557
Issuer
RF Acquisition Corp III
Security
RFAM
Source
SEC 13G
Action
Beneficial ownership disclosure
Magnitude
6.8% / 940,000 shares
Filed
13 May 2026, 10:50:54 UTC

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

13G

Marex Securities Products Inc. stake in APPLIED OPTOELECTRONICS, INC.

Holder CIK 0002048490

13G AAOI
CIK
0002048490
Issuer
APPLIED OPTOELECTRONICS, INC.
Security
AAOI
Source
SEC 13G
Action
Beneficial ownership disclosure
Magnitude
5.6% / 4,486,292 shares
Filed
13 May 2026, 10:50:51 UTC

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

Rows shown
2,901-2,950 of 3,765
Per page
50
Current page
59

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

0/6

Active-intent candidates versus passive large-stake disclosures.

Largest visible stake

6.8%

Highest class ownership surfaced in the preview cards.

Newest evidence

13 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

GOLDMAN SACHS GROUP INC

TRANSLATIONAL DEVELOPMENT ACQUISITION CORP. (TDACU)

Schedule 13G Ownership 6.1% Filing-backed
CIK
000088698226000255
Source
SEC Schedule 13G
Action
Large beneficial ownership stake disclosed
Magnitude
6.1%
Filed
13 May 2026, 10:53:17 UTC
Period
31 Mar 2026

GOLDMAN SACHS GROUP INC filed Schedule 13G for TRANSLATIONAL DEVELOPMENT ACQUISITION CORP. (TDACU). Reported class ownership: 6.1%. Open the SEC evidence before treating this as an activist or passive large-stake signal.

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Large-stake signal

JPMORGAN CHASE & CO

LB PHARMACEUTICALS INC (LBRX)

Schedule 13G/A Ownership 4.9% Filing-backed
CIK
000001961726000216
Source
SEC Schedule 13G/A
Action
Large stake reduction disclosed
Magnitude
4.9%
Filed
13 May 2026, 10:53:16 UTC
Period
31 Mar 2026

JPMORGAN CHASE & CO filed Schedule 13G/A for LB PHARMACEUTICALS INC (LBRX). Reported class ownership: 4.9%. Ownership change: -1.4%. Share change: -11%. Open the SEC evidence before treating this as an activist or passive large-stake signal.

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Large-stake signal

BANK OF MONTREAL /CAN/

SOL Strategies Inc. (STKE)

Schedule 13G/A Ownership 0.02% Filing-backed
CIK
000092797126000076
Source
SEC Schedule 13G/A
Action
Large stake reduction disclosed
Magnitude
0.02%
Filed
13 May 2026, 10:53:08 UTC
Period
31 Mar 2026

BANK OF MONTREAL /CAN/ filed Schedule 13G/A for SOL Strategies Inc. (STKE). Reported class ownership: 0.02%. Ownership change: -9.7%. Share change: -100%. Open the SEC evidence before treating this as an activist or passive large-stake signal.

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Large-stake signal

Clearthink Capital Partners, LLC

VOLATO GROUP, INC. (SOARW)

Schedule 13G Ownership 5.4% Filing-backed
CIK
000121390026055550
Source
SEC Schedule 13G
Action
Large beneficial ownership stake disclosed
Magnitude
5.4%
Filed
13 May 2026, 10:51:27 UTC
Period
17 Apr 2026

Clearthink Capital Partners, LLC filed Schedule 13G for VOLATO GROUP, INC. (SOARW). Reported class ownership: 5.4%. Open the SEC evidence before treating this as an activist or passive large-stake signal.

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Large-stake signal

AQR CAPITAL MANAGEMENT LLC

RF Acquisition Corp III (RFAM)

Schedule 13G Ownership 6.8% Filing-backed
CIK
000116755726000064
Source
SEC Schedule 13G
Action
Large beneficial ownership stake disclosed
Magnitude
6.8%
Filed
13 May 2026, 10:50:54 UTC
Period
31 Mar 2026

AQR CAPITAL MANAGEMENT LLC filed Schedule 13G for RF Acquisition Corp III (RFAM). Reported class ownership: 6.8%. Open the SEC evidence before treating this as an activist or passive large-stake signal.

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Large-stake signal

Marex Securities Products Inc.

APPLIED OPTOELECTRONICS, INC. (AAOI)

Schedule 13G Ownership 5.6% Filing-backed
CIK
000204849026000014
Source
SEC Schedule 13G
Action
Large beneficial ownership stake disclosed
Magnitude
5.6%
Filed
13 May 2026, 10:50:51 UTC
Period
08 May 2026

Marex Securities Products Inc. filed Schedule 13G for APPLIED OPTOELECTRONICS, INC. (AAOI). Reported class ownership: 5.6%. 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
GOLDMAN SACHS GROUP INC CIK 0000886982 TDACU TRANSLATIONAL DEVELOPMENT ACQUISITION CORP. 1,054,120 6.1% SEC filing
JPMORGAN CHASE & CO CIK 0000019617 LBRX LB PHARMACEUTICALS INC 1,427,568 4.9% SEC filing
BANK OF MONTREAL /CAN/ CIK 0000927971 STKE SOL Strategies Inc. 6,466 0.02% SEC filing
Clearthink Capital Partners, LLC CIK 0002003919 SOARW VOLATO GROUP, INC. 2,807,295 5.4% SEC filing
AQR CAPITAL MANAGEMENT LLC CIK 0001167557 RFAM RF Acquisition Corp III 940,000 6.8% SEC filing
Marex Securities Products Inc. CIK 0002048490 AAOI APPLIED OPTOELECTRONICS, INC. 4,486,292 5.6% SEC filing
Magnetar Financial LLC CIK 0001352851 SVAQU SILICON VALLEY ACQUISITION CORP. 1,100,000 5% SEC filing
JPMORGAN CHASE & CO CIK 0000019617 KTB Kontoor Brands, Inc. 2,573,860 4.6% SEC filing
Magnetar Financial LLC CIK 0001352851 BRR PROCAP FINANCIAL, INC 7,251,900 7.8% SEC filing
JPMORGAN CHASE & CO CIK 0000019617 ITT ITT INC. 4,228,084 4.7% SEC filing
JPMORGAN CHASE & CO CIK 0000019617 FLOC Flowco Holdings Inc. 1,595,594 3.9% SEC filing
MAIRS & POWER INC CIK 0001070134 TNC TENNANT COMPANY 789,895 4.4% SEC filing
North Peak Capital Management, LLC CIK 0001747888 HAE HAEMONETICS CORP 0 0% SEC filing
COOKE & BIELER LP CIK 0000024386 DFH DREAM FINDERS HOMES, INC. 2,779,002 8.2% SEC filing
GOLDMAN SACHS GROUP INC CIK 0000886982 ZKPU LAFAYETTE DIGITAL ACQUISITION CORP. I 1,840,516 6.2% SEC filing
Magnetar Financial LLC CIK 0001352851 XSLL XSOLLA SPAC 1 1,100,000 5.3% SEC filing
Magnetar Financial LLC CIK 0001352851 XCBE X3 ACQUISITION CORP. LTD. 1,400,000 6.2% SEC filing
GOLDMAN SACHS GROUP INC CIK 0000886982 CHPG CHAMPIONSGATE ACQUISITION CORPORATION 663,676 7.7% SEC filing
AQR CAPITAL MANAGEMENT LLC CIK 0001167557 GIXXU GigCapital9 Corp. 2,178,000 8.5% SEC filing
GOLDMAN SACHS GROUP INC CIK 0000886982 GRO BRAZIL POTASH CORP. 3,178,446 5.9% SEC filing
GOLDMAN SACHS GROUP INC CIK 0000886982 AGL AGILON HEALTH, INC. 1,018,303 6.1% SEC filing
AQR CAPITAL MANAGEMENT LLC CIK 0001167557 ALDFU Aldel Financial II Inc. 1,513,426 6.4% SEC filing
AQR CAPITAL MANAGEMENT LLC CIK 0001167557 BIXIU Bitcoin Infrastructure Acquisition Corp Ltd 1,112,026 4.9% SEC filing
AQR CAPITAL MANAGEMENT LLC CIK 0001167557 NMPAU NMP Acquisition Corp. 602,656 5% SEC filing
Adage Capital Management, L.P. CIK 0001535978 XCBE X3 Acquisition Corp. Ltd. 1,800,000 8% SEC filing
Magnetar Financial LLC CIK 0001352851 UAC UNITED ACQUISITION CORP. I 1,000,000 9.6% SEC filing
Adage Capital Management, L.P. CIK 0001535978 WLIIU Willow Lane Acquisition Corp. II 1,000,000 6.7% SEC filing
Galloway Capital Partners, LLC CIK 0001991451 WW WW INTERNATIONAL, INC. 841,700 8.4% SEC filing
AQR CAPITAL MANAGEMENT LLC CIK 0001167557 RAAQU Real Asset Acquisition Corp. 805,182 4.7% SEC filing
Adage Capital Management, L.P. CIK 0001535978 TRGSU TRG Latin America Acquisitions Corp. 1,800,000 8.6% SEC filing
Magnetar Financial LLC CIK 0001352851 SORNU SOREN ACQUISITION CORP. 1,750,000 6.6% SEC filing
Adage Capital Management, L.P. CIK 0001535978 SVIV Spring Valley Acquisition Corp. IV 1,800,000 7.8% SEC filing
AQR CAPITAL MANAGEMENT LLC CIK 0001167557 KOYN CSLM Digital Asset Acquisition Corp III, Ltd 1,166,468 4.9% SEC filing
Adage Capital Management, L.P. CIK 0001535978 TMTS Spartacus Acquisition Corp. II 1,800,000 7.8% SEC filing
Adage Capital Management, L.P. CIK 0001535978 SAAQ Space Asset Acquisition Corp. 1,800,000 7.6% SEC filing
Magnetar Financial LLC CIK 0001352851 PAACW PROEM ACQUISITION CORP. I 1,000,000 5.4% SEC filing
Adage Capital Management, L.P. CIK 0001535978 SORNU Soren Acquisition Corp. 1,980,000 7.5% SEC filing
Magnetar Financial LLC CIK 0001352851 MLAA MOUNTAIN LAKE ACQUISITION CORP. II 2,000,000 5.4% SEC filing
AQR CAPITAL MANAGEMENT LLC CIK 0001167557 SVAQU Silicon Valley Acquisition Corp. 1,105,646 5% SEC filing
Adage Capital Management, L.P. CIK 0001535978 FTW Presidio Production Company 2,767,441 10% SEC filing
Magnetar Financial LLC CIK 0001352851 ZKP LAFAYETTE DIGITAL ACQUISITION CORP. I 1,800,000 6.1% SEC filing
Adage Capital Management, L.P. CIK 0001535978 PALOU Paloma Acquisition Corp I 1,350,000 8% SEC filing
Adage Capital Management, L.P. CIK 0001535978 IRD Opus Genetics, Inc. 6,029,775 8.5% SEC filing
Magnetar Financial LLC CIK 0001352851 CUSIP G470AU100 ILLUMINATION ACQUISITION CORP. I 1,850,000 5.9% SEC filing
Magnetar Financial LLC CIK 0001352851 DBCA D. BORAL ACQUISITION I CORP. 1,750,000 5.6% SEC filing
Magnetar Financial LLC CIK 0001352851 CAQ CAMBRIDGE ACQUISITION CORP. 1,700,000 7.2% SEC filing
PRIMECAP MANAGEMENT CO/CA/ CIK 0000763212 XMTR Xometry, Inc. 6,495,497 13% SEC filing
PRIMECAP MANAGEMENT CO/CA/ CIK 0000763212 WHR Whirlpool Corporation 3,746,368 5.8% SEC filing
PRIMECAP MANAGEMENT CO/CA/ CIK 0000763212 LUV Southwest Airlines Co. 47,069,495 9.6% SEC filing
Adage Capital Management, L.P. CIK 0001535978 OIMAU OneIM Acquisition Corp. 2,250,000 7.8% SEC filing
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