13D/G large-stake feed

Latest 13D/G Reports

Since 28 Sep 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

Gainor Lewis Berray stake in Clearmind Medicine Inc.

Holder CIK 0002161378

13G CUSIP 185053709
CIK
0002161378
Issuer
Clearmind Medicine Inc.
Security
CUSIP 185053709
Source
SEC 13G
Action
Beneficial ownership disclosure
Value
4.9% / 25,300 shares
Filed
27 Oct 2026, 21:33:17 UTC

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

13D/A

JCP Investment Management, LLC stake in RED ROBIN GOURMET BURGERS INC

Holder CIK 0001461945

13D/A RRGB
CIK
0001461945
Issuer
RED ROBIN GOURMET BURGERS INC
Security
RRGB
Source
SEC 13D/A
Action
Beneficial ownership disclosure
Value
10% / 1,944,276 shares
Filed
27 Oct 2026, 19:28:07 UTC

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

13D/A

Sinensky Michael stake in Powerus Corp

Holder CIK 0002157254

13D/A PUSA
CIK
0002157254
Issuer
Powerus Corp
Security
PUSA
Source
SEC 13D/A
Action
Beneficial ownership disclosure
Value
12% / 19,323,824 shares
Filed
27 Oct 2026, 19:18:43 UTC

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

13G/A

Andera Partners stake in INVENTIVA S.A.

Holder CIK 0001757283

13G/A IVA
CIK
0001757283
Issuer
Inventiva S.A.
Security
IVA
Source
SEC 13G/A
Action
Beneficial ownership disclosure
Value
6.7% / 15,929,476 shares
Filed
27 Oct 2026, 18:55:46 UTC

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

13D/A

Pani Corp. stake in AI OKTO Corp.

Holder CIK 0001974347

13D/A CUSIP Y2258E107
CIK
0001974347
Issuer
AI OKTO Corp.
Security
CUSIP Y2258E107
Source
SEC 13D/A
Action
Beneficial ownership disclosure
Value
77% / 3,336,185 shares
Filed
27 Oct 2026, 18:40:55 UTC

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

13G

TANG CAPITAL MANAGEMENT LLC stake in EyePoint, Inc.

Holder CIK 0001232621

13G EYPT
CIK
0001232621
Issuer
EyePoint, Inc.
Security
EYPT
Source
SEC 13G
Action
Beneficial ownership disclosure
Value
9.6% / 8,250,200 shares
Filed
27 Oct 2026, 17:51:40 UTC

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

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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

3/3

Active-intent candidates versus passive large-stake disclosures.

Largest visible stake

77%

Highest class ownership surfaced in the preview cards.

Newest evidence

27 Oct 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

Gainor Lewis Berray

Clearmind Medicine Inc.

Schedule 13G Ownership 4.9% Filing-backed
Source
SEC Schedule 13G
Action
Large beneficial ownership stake disclosed
Value
4.9%
Filed
27 Oct 2026, 21:33:17 UTC
Period
20 Oct 2026

Gainor Lewis Berray filed Schedule 13G for Clearmind Medicine Inc.. Reported class ownership: 4.9%. Open the SEC evidence before treating this as an activist or passive large-stake signal.

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Large-stake signal

JCP Investment Management, LLC

RED ROBIN GOURMET BURGERS INC (RRGB)

Schedule 13D/A Ownership 10% Filing-backed
Source
SEC Schedule 13D/A
Action
Potential activist/control stake disclosed
Value
10%
Filed
27 Oct 2026, 19:28:07 UTC
Period
23 Oct 2026

JCP Investment Management, LLC filed Schedule 13D/A for RED ROBIN GOURMET BURGERS INC (RRGB). Reported class ownership: 10%. Ownership change: -0.1%. Share change: +3.9%. Open the SEC evidence before treating this as an activist or passive large-stake signal.

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Large-stake signal

Sinensky Michael

Powerus Corp (PUSA)

Schedule 13D/A Ownership 12% Filing-backed
Source
SEC Schedule 13D/A
Action
Potential activist/control stake disclosed
Value
12%
Filed
27 Oct 2026, 19:18:43 UTC
Period
23 Oct 2026

Sinensky Michael filed Schedule 13D/A for Powerus Corp (PUSA). Reported class ownership: 12%. Ownership change: 0%. Share change: 0%. Open the SEC evidence before treating this as an activist or passive large-stake signal.

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Large-stake signal

Andera Partners

INVENTIVA S.A. (IVA)

Schedule 13G/A Ownership 6.7% Filing-backed
Source
SEC Schedule 13G/A
Action
Large stake reduction disclosed
Value
6.7%
Filed
27 Oct 2026, 18:55:46 UTC
Period
30 Sep 2026

Andera Partners filed Schedule 13G/A for INVENTIVA S.A. (IVA). Reported class ownership: 6.7%. Ownership change: -1%. Share change: +13%. Open the SEC evidence before treating this as an activist or passive large-stake signal.

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Large-stake signal

Pani Corp.

AI OKTO Corp.

Schedule 13D/A Ownership 77% Filing-backed
Source
SEC Schedule 13D/A
Action
Potential activist/control stake disclosed
Value
77%
Filed
27 Oct 2026, 18:40:55 UTC
Period
23 Oct 2026

Pani Corp. filed Schedule 13D/A for AI OKTO Corp.. Reported class ownership: 77%. Ownership change: +3%. Share change: +4.1%. Open the SEC evidence before treating this as an activist or passive large-stake signal.

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Large-stake signal

TANG CAPITAL MANAGEMENT LLC

EyePoint, Inc. (EYPT)

Schedule 13G Ownership 9.6% Filing-backed
Source
SEC Schedule 13G
Action
Large beneficial ownership stake disclosed
Value
9.6%
Filed
27 Oct 2026, 17:51:40 UTC
Period
20 Oct 2026

TANG CAPITAL MANAGEMENT LLC filed Schedule 13G for EyePoint, Inc. (EYPT). Reported class ownership: 9.6%. 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
Gainor Lewis Berray CIK 0002161378 CUSIP 185053709 Clearmind Medicine Inc. 25,300 4.9% SEC filing
JCP Investment Management, LLC CIK 0001461945 RRGB RED ROBIN GOURMET BURGERS INC 1,944,276 10% SEC filing
Sinensky Michael CIK 0002157254 PUSA Powerus Corp 19,323,824 12% SEC filing
Andera Partners CIK 0001757283 IVA INVENTIVA S.A. 15,929,476 6.7% SEC filing
Pani Corp. CIK 0001974347 CUSIP Y2258E107 AI OKTO Corp. 3,336,185 77% SEC filing
TANG CAPITAL MANAGEMENT LLC CIK 0001232621 EYPT EyePoint, Inc. 8,250,200 9.6% SEC filing
Ascent Partners Fund LLC CIK 0002059960 PFSA Profusa, Inc. 316,600 10% SEC filing
Ascent Partners Fund LLC CIK 0002059960 CNTM ConnectM Technology Solutions, Inc. 636,262 10% SEC filing
Ascent Partners Fund LLC CIK 0002059960 CDT CDT Equity Inc. 163,982 9.9% SEC filing
BlackRock, Inc. CIK 0002012383 RMBS RAMBUS INC 11,268,097 10% SEC filing
BlackRock, Inc. CIK 0002012383 WHG WESTWOOD HOLDINGS GROUP INC 579,523 6.1% SEC filing
BlackRock, Inc. CIK 0002012383 SCHL SCHOLASTIC CORP 2,249,991 13% SEC filing
BlackRock, Inc. CIK 0002012383 WYNN WYNN RESORTS LTD 5,095,483 4.9% SEC filing
BlackRock, Inc. CIK 0002012383 STAA STAAR SURGICAL CO 4,611,827 9.2% SEC filing
BlackRock, Inc. CIK 0002012383 SEIC SEI INVESTMENTS COMPANY 9,446,264 7.9% SEC filing
BlackRock, Inc. CIK 0002012383 SWX SOUTHWEST GAS HOLDINGS INC 10,928,736 15% SEC filing
BlackRock, Inc. CIK 0002012383 KRRO Korro Bio, Inc. 717,813 4.9% SEC filing
BlackRock, Inc. CIK 0002012383 KVHI KVH INDUSTRIES INC 981,883 5.4% SEC filing
BlackRock, Inc. CIK 0002012383 KYMR Kymera Therapeutics, Inc. 5,450,286 6.6% SEC filing
BlackRock, Inc. CIK 0002012383 MMI MARCUS AND MILLICHAP INC 3,360,950 8.9% SEC filing
BlackRock, Inc. CIK 0002012383 LEMB iShares J.P. Morgan EM Local Currency Bond ETF 1,074,479 6.2% SEC filing
BlackRock, Inc. CIK 0002012383 LULU LULULEMON ATHLETICA INC 6,122,306 5.8% SEC filing
BlackRock, Inc. CIK 0002012383 SUNB Sunbelt Rentals Holdings, Inc. 21,121,869 5.2% SEC filing
BlackRock, Inc. CIK 0002012383 HTO H2O AMERICA 6,182,197 15% SEC filing
BlackRock, Inc. CIK 0002012383 NDAQ NASDAQ, INC. 34,857,826 6.2% SEC filing
BlackRock, Inc. CIK 0002012383 CPRI Capri Holdings Ltd 16,778,123 15% SEC filing
BlackRock, Inc. CIK 0002012383 TYL TYLER TECHNOLOGIES INC 2,728,769 6.7% SEC filing
BlackRock, Inc. CIK 0002012383 YSS YORK SPACE SYSTEMS INC 7,443,476 5.4% SEC filing
BlackRock, Inc. CIK 0002012383 WKC WORLD KINECT CORP 7,622,630 15% SEC filing
BlackRock, Inc. CIK 0002012383 UTI UNIVERSAL TECHNICAL INSTITUTE INC 7,711,515 14% SEC filing
BlackRock, Inc. CIK 0002012383 STRT STRATTEC SECURITY CORP 338,695 8.5% SEC filing
BlackRock, Inc. CIK 0002012383 TRMB TRIMBLE INC 15,623,632 6.7% SEC filing
BlackRock, Inc. CIK 0002012383 RUSHB RUSH ENTERPRISES INC 1,824,882 7.3% SEC filing
BlackRock, Inc. CIK 0002012383 JOUT JOHNSON OUTDOORS INC 450,378 4.9% SEC filing
BlackRock, Inc. CIK 0002012383 RLI RLI CORP 8,187,471 8.9% SEC filing
BlackRock, Inc. CIK 0002012383 RPM RPM INTERNATIONAL INC 11,699,623 9.2% SEC filing
BlackRock, Inc. CIK 0002012383 NATR NATURES SUNSHINE PRODUCTS INC 876,096 5% SEC filing
BlackRock, Inc. CIK 0002012383 HRMY Harmony Biosciences Holdings, Inc. 7,361,888 13% SEC filing
BlackRock, Inc. CIK 0002012383 CNTN Canton Strategic Holdings, Inc. 4,819,281 6% SEC filing
BlackRock, Inc. CIK 0002012383 ITOT ISHARES CORE S&P TOTAL U.S. STOCK MARKET ETF 41,961,036 7.3% SEC filing
BlackRock, Inc. CIK 0002012383 KRYS KRYSTAL BIOTECH INC 3,427,645 12% SEC filing
BlackRock, Inc. CIK 0002012383 KFY KORN FERRY 7,555,358 14% SEC filing
BlackRock, Inc. CIK 0002012383 MP MP Materials Corp. 14,214,742 8% SEC filing
BlackRock, Inc. CIK 0002012383 SLNH SOLUNA HOLDINGS INC 10,077,127 4.1% SEC filing
BlackRock, Inc. CIK 0002012383 NERV MINERVA NEUROSCIENCES INC 2,450,284 5.1% SEC filing
BlackRock, Inc. CIK 0002012383 KXI ISHARES GLOBAL CONSUMER STAPLES ETF 1,364,484 8.1% SEC filing
BlackRock, Inc. CIK 0002012383 MORN Morningstar, Inc. 1,821,367 4.9% SEC filing
BlackRock, Inc. CIK 0002012383 NXH NEIGHBORHOOD INTELLIGENCE, INC. 6,266,975 4.4% SEC filing
BlackRock, Inc. CIK 0002012383 MHK MOHAWK INDUSTRIES INC 6,031,863 8.9% SEC filing
BlackRock, Inc. CIK 0002012383 BE BLOOM ENERGY CORPORATION 22,229,157 7.5% SEC filing
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