Neptune Insurance Holdings Inc.: which funds bought and sold
Institutions that bought and sold Neptune Insurance shares in Q2 2026, from the holdings they reported to the SEC on Form 13F for March 31, 2026 and June 30, 2026.
Between March 31, 2026 and June 30, 2026, 104 institutions that filed 13F reports for both quarters added to or opened positions in Neptune Insurance, and 36 cut or closed them. Together they added a net 2.0M shares, +3.0% on what they held at the start of the quarter. Active managers and hedge funds on our list were net buyers of 5.8M shares (+39.5%); index fund managers were net buyers of 5.5M shares (+221.4%). 50 opened a new position and 12 sold out entirely.
Bought, Q2 2026 104 institutions, 50 of them new holders Sold, Q2 2026 36 institutions, 12 of them sold out
Net change, all compared +2.0M shares (+3.0%)
Net change, active managers +5.8M shares (+39.5%), 30 bought, 11 sold
Buyers versus sellers
104 bought 7 36 sold
Active managers and hedge funds 30 bought · 11 sold · +5.8M
Index fund managers 9 bought · 0 sold · +5.5M
Other institutions 65 bought · 25 sold · −9.3M
Biggest buyers
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| Blackrock, Inc. Index funds | +2.3M +611.4% | 2.7M | $85.2M |
| Driehaus Capital Management LLC Active manager | +1.3M New position | 1.3M | $40.9M |
| T. Rowe Price Investment Management, Inc. Active manager | +1.0M +21.6% | 5.8M | $182M |
| Freestone Grove Partners LP Hedge fund | +851K New position | 851K | $26.8M |
| Vanguard Portfolio Management LLC Index funds | +832K +116.8% | 1.5M | $48.7M |
| Lord, Abbett & Co. LLC | +714K +355.2% | 915K | $28.8M |
| Artisan Partners Limited Partnership Active manager | +655K New position | 655K | $20.6M |
| Geode Capital Management, LLC Index funds | +629K +312.2% | 831K | $26.2M |
| State Street Corp Index funds | +595K +606.4% | 693K | $21.8M |
| Vanguard Capital Management LLC Index funds | +580K +70.8% | 1.4M | $44.1M |
| Azora Capital LP Hedge fund | +514K +53.8% | 1.5M | $46.2M |
| Alliancebernstein L.P. Active manager | +392K +33.5% | 1.6M | $37.8M |
| Select Equity Group, L.P. Active manager | +330K +127.6% | 589K | $18.5M |
| Alyeska Investment Group, L.P. Hedge fund | +325K +650.0% | 375K | $11.8M |
| Bank Of America Corp | +289K +771.2% | 327K | $10.3M |
| Northern Trust Corp Index funds | +248K +576.4% | 291K | $9.2M |
| Woodline Partners LP Hedge fund | +200K +20.5% | 1.2M | $37.1M |
| Seven Grand Managers, LLC | +200K New position | 200K | $6.3M |
| Two Sigma Investments, LP Hedge fund | +197K +352.6% | 253K | $8M |
| Walleye Capital LLC Hedge fund | +186K +137.2% | 321K | $10.1M |
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| Driehaus Capital Management LLC Active manager | +1.3M New position | 1.3M | $40.9M |
| T. Rowe Price Investment Management, Inc. Active manager | +1.0M +21.6% | 5.8M | $182M |
| Freestone Grove Partners LP Hedge fund | +851K New position | 851K | $26.8M |
| Artisan Partners Limited Partnership Active manager | +655K New position | 655K | $20.6M |
| Azora Capital LP Hedge fund | +514K +53.8% | 1.5M | $46.2M |
| Alliancebernstein L.P. Active manager | +392K +33.5% | 1.6M | $37.8M |
| Select Equity Group, L.P. Active manager | +330K +127.6% | 589K | $18.5M |
| Alyeska Investment Group, L.P. Hedge fund | +325K +650.0% | 375K | $11.8M |
| Woodline Partners LP Hedge fund | +200K +20.5% | 1.2M | $37.1M |
| Two Sigma Investments, LP Hedge fund | +197K +352.6% | 253K | $8M |
Biggest sellers
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| Ftv Management Company, L.P. | −6.0M −27.0% | 16.3M | $514M |
| Bregal Sagemount Iv General Partner Jersey Ltd | −5.3M −27.0% | 14.3M | $449M |
| Timessquare Capital Management, LLC | −469K −52.2% | 429K | $13.5M |
| Capital International Investors Active manager | −404K −29.9% | 945K | $29.8M |
| Frontier Capital Management Co LLC Active manager | −241K −24.4% | 746K | $23.5M |
| Jpmorgan Chase & Co | −133K −9.0% | 1.3M | $41.1M |
| Adage Capital Partners Gp, L.L.C. Hedge fund | −125K −41.7% | 175K | $5.5M |
| Gilder Gagnon Howe & Co LLC Active manager | −100K Sold out | 0 | — |
| BAMCO Inc Active manager | −100K −14.1% | 609K | $19.2M |
| Marshall Wace, LLP Hedge fund | −82K −89.4% | 9,789 | $308,354 |
| Interval Partners, LP Hedge fund | −80K −82.5% | 17K | $539,060 |
| Maltese Capital Management LLC | −59K −39.6% | 90K | $2.8M |
| Holocene Advisors, LP Hedge fund | −50K Sold out | 0 | — |
| Morgan Stanley | −33K −43.0% | 43K | $1.4M |
| Xtx Topco Ltd | −29K Sold out | 0 | — |
| Emerald Mutual Fund Advisers Trust | −28K −33.3% | 55K | $1.7M |
| Centerbook Partners LP Hedge fund | −26K Sold out | 0 | — |
| Drw Securities, LLC | −22K Sold out | 0 | — |
| Fred Alger Management, LLC Active manager | −22K Sold out | 0 | — |
| Arrowmark Colorado Holdings LLC | −18K −5.3% | 318K | $10M |
| Institution | Change in shares | Shares June 30, 2026 | Value |
|---|---|---|---|
| Capital International Investors Active manager | −404K −29.9% | 945K | $29.8M |
| Frontier Capital Management Co LLC Active manager | −241K −24.4% | 746K | $23.5M |
| Adage Capital Partners Gp, L.L.C. Hedge fund | −125K −41.7% | 175K | $5.5M |
| Gilder Gagnon Howe & Co LLC Active manager | −100K Sold out | 0 | — |
| BAMCO Inc Active manager | −100K −14.1% | 609K | $19.2M |
| Marshall Wace, LLP Hedge fund | −82K −89.4% | 9,789 | $308,354 |
| Interval Partners, LP Hedge fund | −80K −82.5% | 17K | $539,060 |
| Holocene Advisors, LP Hedge fund | −50K Sold out | 0 | — |
| Centerbook Partners LP Hedge fund | −26K Sold out | 0 | — |
| Fred Alger Management, LLC Active manager | −22K Sold out | 0 | — |
New positions
| Institution | Shares | Value June 30, 2026 |
|---|---|---|
| Driehaus Capital Management LLCActive manager | 1.3M | $40.9M |
| Freestone Grove Partners LPHedge fund | 851K | $26.8M |
| Artisan Partners Limited PartnershipActive manager | 655K | $20.6M |
| Seven Grand Managers, LLC | 200K | $6.3M |
| Universal- Beteiligungs- Und Servicegesellschaft Mbh | 148K | $4.7M |
| New York State Common Retirement Fund | 145K | $4.6M |
| USS Investment Management Ltd | 124K | $3.9M |
| Millennium Management LLCHedge fund | 103K | $3.2M |
| Bank Of New York Mellon Corp | 93K | $2.9M |
| Arrowstreet Capital, Limited PartnershipHedge fund | 61K | $1.9M |
Sold out
| Institution | Shares | Value March 31, 2026 |
|---|---|---|
| Gilder Gagnon Howe & Co LLCActive manager | 100K | $2.4M |
| Holocene Advisors, LPHedge fund | 50K | $1.2M |
| Xtx Topco Ltd | 29K | $696,914 |
| Centerbook Partners LPHedge fund | 26K | $618,611 |
| Drw Securities, LLC | 22K | $532,180 |
| Fred Alger Management, LLCActive manager | 22K | $521,294 |
| Y-Intercept (Hong Kong) Ltd | 15K | $358,689 |
| Dark Forest Capital Management LP | 11K | $256,801 |
| Blair William & Co | 11K | $253,995 |
| Jane Street Group, LLC | 9,806 | $237,207 |
Who holds the shares
- Institutions reporting
- 136
- Ten largest holders
- 71.1% of 13F-reported shares
- Index fund managers
- 11.9% of 13F-reported shares
- Active managers and hedge funds
- 30.3% of 13F-reported shares
| Type | Bought | Sold | New | Sold out | Net change in shares | Net % |
|---|---|---|---|---|---|---|
| Active managers and hedge funds | 30 | 11 | 12 | 4 | +5.8M | +39.5% |
| Index fund managers | 9 | 0 | 1 | 0 | +5.5M | +221.4% |
| Other institutions | 65 | 25 | 37 | 8 | −9.3M | −19.3% |
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