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Neptune Insurance Holdings Inc.

NP
Exchange
NYSE
Industry
Insurance Agents, Brokers & Service
SEC CIK
0002067129

In the last 90 days, Neptune Insurance Holdings Inc. insiders filed 0 open-market purchases and 10 sales; 136 institutions reported holding it in 13F filings for Q2 2026, worth $2.10B in total; Soros Fund Management is the only superinvestor holding it.

Holders of 5% or more of NP

Holders whose latest Schedule 13D or 13G filing reports 5% or more of Neptune Insurance Holdings Inc., largest stake first. The change is against the holder's previous filing.

Holders of 5% or more of NP
HolderLatest formStakeChangeFirst filedLatest filingFiling
Burgess Trevor R13G34.02%49.6M sharesNewNov 14, 20251 filingNov 14, 2025SEC
FTV VII, L.P.13G/A17.19%16.3M shares−6.44 ppfrom 23.63%Nov 7, 20252 filingsAug 14, 2026SEC
BSIV Hold 101, LP13G/A15.02%14.3M shares−5.63 ppfrom 20.65%Nov 7, 20252 filingsAug 13, 2026SEC
T. Rowe Price Investment Management, Inc.13G/A6.10%5.76M shares+1.10 ppfrom 5.00%May 15, 20262 filingsAug 14, 2026SEC
Carlon Jonathan Winant13G5.91%5.68M sharesNewNov 14, 20251 filingNov 14, 2025SEC

Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.

13D and 13G filings

8 Schedule 13D and 13G filings on Neptune Insurance Holdings Inc., newest first, including old-format filings without a stake.

Schedule 13D and 13G filings on NP
Filed (ET)FilerFormStakeChangeEvent dateFiling
Aug 14, 20264:10 PM ETFTV VII, L.P.and 3 others13G/A17.19%16.3M shares−6.44 ppfrom 23.63%Jun 30, 2026SEC
Aug 14, 202610:39 AM ETT. Rowe Price Investment Management, Inc.13G/A6.10%5.76M shares+1.10 ppfrom 5.00%Jun 30, 2026SEC
Aug 13, 20269:09 PM ETBSIV Hold 101, LPand 4 others13G/A15.02%14.3M shares−5.63 ppfrom 20.65%Jun 30, 2026SEC
May 15, 202610:06 AM ETT. Rowe Price Investment Management, Inc.13G5.00%4.74M sharesNewMar 31, 2026SEC
Nov 14, 20257:06 PM ETCarlon Jonathan Winant13G5.91%5.68M sharesNewSep 30, 2025SEC
Nov 14, 20257:05 PM ETBurgess Trevor R13G34.02%49.6M sharesNewSep 30, 2025SEC
Nov 7, 20259:54 PM ETBSIV Hold 101, LPand 4 others13G20.65%19.5M sharesNewSep 30, 2025SEC
Nov 7, 20255:30 PM ETFTV VII, L.P.and 3 others13G23.63%22.4M sharesNewSep 30, 2025SEC

Form 144: proposed insider sales

9 notices from officers, directors and other affiliates planning to sell Neptune Insurance Holdings Inc. shares, newest first.

Form 144 notices for NP
Filed (ET)SellerShares to sellMarket valuePlanned saleBrokerFiling
Nov 12, 20268:51 AM ETMatthew DuffyOfficer · Director86.0K$2.43MNov 11, 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesSEC
Nov 10, 20264:29 PM ETMatthew DuffyOfficer · Director86.0K$2.41MNov 10, 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesSEC
Nov 9, 20264:35 PM ETMatthew DuffyOfficer · Director88.0K$2.47MNov 9, 2026Morgan Stanley Smith Barney LLC Executive Financial ServicesSEC
Oct 30, 20265:54 PM ETTrevor BurgessChief Executive Officer406.2K$11.9MOct 30, 202610b5-1Goldman Sachs & Co. LLCSEC
Oct 2, 20264:27 PM ETMatthew DuffyOfficer165.6K$4.51MOct 2, 202610b5-1Morgan Stanley Smith Barney LLC Executive Financial ServicesSEC
Sep 14, 20265:11 PM ETJonathan Winant CarlonDirector of Corporate Development50.0K$1.58MSep 14, 2026J.P. Morgan Securities LLCSEC
Aug 12, 20261:28 PM ETJames SteinerDirector and Chief Financial Officer100.0K$3.16MAug 12, 2026Merrill LynchSEC
Jul 29, 20269:31 PM ETBsiv Hold 101, LP10% stockholder1.63M$54.2MJul 29, 2026Morgan Stanley & Co. LLCSEC
Jul 29, 20269:30 PM ETFTV VII, L.P.10% stockholder1.87M$62.0MJul 29, 2026Morgan Stanley & Co. LLCSEC