Neptune Insurance Holdings Inc.

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

SEC filings (opens in a new tab)

In the last 90 days, Neptune Insurance Holdings Inc. insiders filed 0 open-market purchases and 4 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.

Q2 2026 vs. Q1 2026

How the institutions holding Neptune Insurance Holdings Inc. changed between Q1 2026 and Q2 2026.

All holders in Q2 2026 All holders in Q1 2026

13F holders of NP: Q1 2026 compared with Q2 2026
Measure	Q1 2026	Of which not filed for Q2 2026	Q2 2026	Change
Holders	99	1	136	+38
Shares	65.1M	12.9K	67.0M	+1.98M (+3.1%)
Value	$1.58B	$312.6K	$2.10B	+$520.5M (+33.0%)

1 institution that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so the changes leave them out.

New holders (50)

Institutions that held Neptune Insurance Holdings Inc. at the end of Q2 2026 but not at the end of Q1 2026.

Institutions new to NP in Q2 2026
Institution	Shares	Value	% of portfolio
Driehaus Capital Management LLC	1,297,130	$40.9M	0.24%
Freestone Grove Partners LP	851,067	$26.8M	0.18%
Artisan Partners Limited Partnership	654,812	$20.6M	0.03%
Seven Grand Managers, LLC	200,000	$6.30M	0.25%
Universal- Beteiligungs- und Servicegesellschaft mbH	148,399	$4.67M	0.01%
New York State Common Retirement Fund	145,354	$4.58M	0.01%
USS Investment Management Ltd	123,690	$3.90M	0.02%
Millennium Management LLC	102,675	$3.23M	0.00%
Bank of New York Mellon Corp	92,859	$2.93M	0.00%
Arrowstreet Capital, Limited Partnership	60,600	$1.91M	0.00%
Invesco Ltd.	48,009	$1.51M	0.00%
Aquatic Capital Management LLC	46,819	$1.47M	0.05%
Rhumbline Advisers	45,951	$1.45M	0.00%
BlueCrest Capital Management Ltd	45,000	$1.42M	0.06%
Trexquant Investment LP	44,760	$1.41M	0.01%
Thrivent Financial for Lutherans	38,373	$1.21M	0.00%
Longaeva Partners L.P.	38,095	$1.20M	0.03%
Deutsche Bank AG	38,060	$1.20M	0.00%
Dockside LLC	30,795	$970.0K	0.23%
Symmetry Investments LP	27,750	$874.1K	0.10%
Voleon Capital Management LP	27,742	$873.9K	0.02%
Russell Investments Group, Ltd.	23,423	$737.8K	0.00%
MetLife Investment Management	22,520	$709.4K	0.00%
Centiva Capital, LP	21,800	$686.7K	0.02%
Qube Research & Technologies Ltd	20,483	$645.2K	0.00%
Mirae Asset Global ETFs Holdings Ltd.	17,482	$550.7K	0.00%
UBS Asset Management Americas Inc	16,674	$525.2K	0.00%
Susquehanna International Group, LLP	14,341	$451.7K	0.00%
Quantbot Technologies LP	13,352	$420.6K	0.02%
Entropy Technologies, LP	12,956	$408.1K	0.02%
Jupiter Topco LLC	12,900	$406.4K	0.00%
Police & Firemen's Retirement System of New Jersey	11,245	$354.2K	0.00%
Manufacturers Life Insurance Company, The	11,032	$347.5K	0.00%
Arizona State Retirement System	10,454	$329.3K	0.00%
Zurcher Kantonalbank (Zurich Cantonalbank)	10,198	$321.2K	0.00%
Axq Capital, LP	9,390	$295.8K	0.03%
Omers Administration Corp	8,400	$264.6K	0.00%
Voya Investment Management LLC	7,429	$234.0K	0.00%
Intech Investment Management LLC	7,263	$228.8K	0.00%
SG Americas Securities, LLC	6,270	$198.0K	0.00%
Ameritas Investment Partners, Inc.	3,460	$109.0K	0.00%
Nisa Investment Advisors, LLC	1,224	$38.6K	0.00%
Sterling Capital Management LLC	574	$18.1K	0.00%
BNP PARIBAS ASSET MANAGEMENT Holding S.A.	493	$15.5K	0.00%
First Horizon Corp	167	$5.26K	0.00%
Northwestern Mutual Wealth Management Co	125	$3.94K	0.00%
Rothschild Investment LLC	25	$788	0.00%
UMA Financial Services, Inc.	18	$567	0.00%
IMA Wealth, Inc.	17	$536	0.00%
Caitong International Asset Management Co., Ltd	9	$284	0.00%

Sold out (12)

Institutions that held Neptune Insurance Holdings Inc. at the end of Q1 2026 and filed for Q2 2026 without it.

Institutions that sold out of NP in Q2 2026
Institution	Shares, Q1 2026	Value, Q1 2026
Gilder Gagnon Howe & Co LLC	100,491	$2.43M
Holocene Advisors, LP	50,000	$1.21M
XTX Topco Ltd	28,810	$696.9K
CenterBook Partners LP	25,573	$618.6K
DRW Securities, LLC	22,000	$532.2K
Fred Alger Management, LLC	21,550	$521.3K
Y-Intercept (Hong Kong) Ltd	14,828	$358.7K
Dark Forest Capital Management LP	10,616	$256.8K
Blair William & Co	10,500	$254.0K
Jane Street Group, LLC	9,806	$237.2K
Emerald Advisers, LLC	8,555	$206.9K
Rachor Investment Advisory Services, LLC	2	$49

Not filed for Q2 2026 yet (1)

Institutions that held Neptune Insurance Holdings Inc. at the end of Q1 2026 and haven't filed a 13F for Q2 2026. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding NP in Q1 2026 that haven't filed for Q2 2026
Institution	Shares, Q1 2026	Value, Q1 2026
Janus Henderson Group PLC	12,900	$312.6K