NPCE Institutional Ownership & Shareholders
NEUROPACE INC (NPCE) is currently held by 106 institutional investors tracked by InsiderSet, with a combined reported market value of approximately $421.85M based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026.
Polar Capital Holdings Plc is currently the largest disclosed institutional shareholder of NPCE tracked by InsiderSet, reporting ownership valued at approximately $52.41M in its June 30, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $40.57M, representing an estimated loss of -22.59% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 75% of the total disclosed NPCE value among the investors covered in this analysis. Major shareholders include Polar Capital Holdings Plc, Soleus Capital Management, L.P., First Light Asset Management, Llc, and several other long-term asset managers with concentrated positions in NEUROPACE INC (NPCE).
This page ranks the largest institutional NPCE shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
106
Total Reported Value
$421.85M
Largest Holder
Polar Capital Holdings Plc
Largest Position
$52.41M
Insider Transactions (90d)
5
Latest Filing Quarter
Q2 2026
New Institutional Positions
130
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Polar Capital Holdings Plc | 0.15% | 3,298,104 | $52,406,873 | $40,566,679 | -$11,840,194 | -22.59% | |
| Soleus Capital Management, L.P. | 1.59% | 2,911,122 | $46,257,729 | $35,806,801 | -$10,450,928 | -22.59% | |
| First Light Asset Management, Llc | 2.76% | 2,861,167 | $45,463,944 | $35,192,354 | -$10,271,590 | -22.59% | |
| Morgan Stanley | 0.00% | 2,654,391 | $42,178,273 | $32,649,009 | -$9,529,264 | -22.59% | |
| Blackrock, Inc. | 0.00% | 2,477,603 | $39,369,112 | $30,474,517 | -$8,894,595 | -22.59% | |
| Orbimed Advisors Llc | 0.45% | 1,505,125 | $23,916,436 | $18,513,038 | -$5,403,399 | -22.59% | |
| Driehaus Capital Management Llc | 0.13% | 1,447,391 | $22,999,043 | $17,802,909 | -$5,196,134 | -22.59% | |
| Vanguard Capital Management Llc | 0.00% | 1,227,072 | $19,498,174 | $15,092,986 | -$4,405,188 | -22.59% | |
| Deutsche Bank Ag\ | 0.00% | 938,919 | $14,919,423 | $11,548,704 | -$3,370,719 | -22.59% | |
| Armistice Capital, Llc | 0.30% | 692,000 | $10,995,880 | $8,511,600 | -$2,484,280 | -22.59% | |
| Geode Capital Management, Llc | 0.00% | 666,300 | $10,589,998 | $8,195,490 | -$2,394,508 | -22.61% | |
| Fmr Llc | 0.00% | 554,771 | $8,815,311 | $6,823,683 | -$1,991,628 | -22.59% | |
| State Street Corp | 0.00% | 550,132 | $8,741,597 | $6,766,624 | -$1,974,973 | -22.59% | |
| Silvercrest Asset Management Group Llc | 0.04% | 344,124 | $5,468,130 | $4,232,725 | -$1,235,405 | -22.59% | |
| Northern Trust Corp | 0.00% | 260,025 | $4,131,798 | $3,198,308 | -$933,491 | -22.59% | |
| Qube Research & Technologies Ltd | 0.00% | 221,237 | $3,515,456 | $2,721,215 | -$794,241 | -22.59% | |
| Vanguard Portfolio Management Llc | 0.00% | 220,371 | $3,501,695 | $2,710,563 | -$791,132 | -22.59% | |
| Palumbo Wealth Management Llc | 0.70% | 209,199 | $3,324,173 | $2,573,148 | -$751,025 | -22.59% | |
| Algert Global Llc | 0.03% | 184,774 | $2,936,059 | $2,272,720 | -$663,339 | -22.59% | |
| Vanguard Fiduciary Trust Co | 0.00% | 182,534 | $2,900,465 | $2,245,168 | -$655,297 | -22.59% | |
| Jpmorgan Chase & Co | 0.00% | 173,311 | $2,864,831 | $2,131,725 | -$733,106 | -25.59% | |
| Essex Investment Management Co Llc | 0.41% | 202,202 | $2,782,300 | $2,487,085 | -$295,215 | -10.61% | |
| Highmark Wealth Management Llc | 0.87% | 163,000 | $2,590,070 | $2,004,900 | -$585,170 | -22.59% | |
| Russell Investments Group, Ltd. | 0.00% | 162,164 | $2,576,783 | $1,994,617 | -$582,166 | -22.59% | |
| D. E. Shaw & Co., Inc. | 0.00% | 161,081 | $2,559,577 | $1,981,296 | -$578,281 | -22.59% | |
| Goldman Sachs Group Inc | 0.00% | 149,566 | $2,376,604 | $1,839,662 | -$536,942 | -22.59% | |
| Citadel Advisors Llc | 0.00% | 128,800 | $2,046,632 | $1,584,240 | -$462,392 | -22.59% | |
| Lazard Asset Management Llc | 0.00% | 127,728 | $2,029,598 | $1,571,054 | -$458,544 | -22.59% | |
| Gsa Capital Partners Llp | 0.12% | 115,535 | $1,836,000 | $1,421,081 | -$414,920 | -22.60% | |
| Panagora Asset Management Inc | 0.01% | 114,059 | $1,812,398 | $1,402,926 | -$409,472 | -22.59% | |
| Renaissance Technologies LLC | Jim Simons | 0.00% | 111,699 | $1,774,897 | $1,373,898 | -$400,999 | -22.59% |
| Tudor Investment Corp Et Al | 0.01% | 109,874 | $1,745,898 | $1,351,450 | -$394,448 | -22.59% | |
| Nuveen, Llc | 0.00% | 99,498 | $1,581,023 | $1,223,825 | -$357,198 | -22.59% | |
| Healthcare Of Ontario Pension Plan Trust Fund | 0.00% | 94,800 | $1,506,372 | $1,166,040 | -$340,332 | -22.59% | |
| Bnp Paribas Financial Markets | 0.00% | 87,677 | $1,393,188 | $1,078,427 | -$314,761 | -22.59% | |
| Man Group Plc | 0.00% | 84,073 | $1,335,920 | $1,034,098 | -$301,822 | -22.59% | |
| Norges Bank | 0.00% | 79,900 | $1,269,611 | $982,770 | -$286,841 | -22.59% | |
| Charles Schwab Investment Management Inc | 0.00% | 77,831 | $1,236,735 | $957,321 | -$279,414 | -22.59% | |
| Legato Capital Management Llc | 0.09% | 70,334 | $1,117,607 | $865,108 | -$252,499 | -22.59% | |
| Sei Investments Co | 0.00% | 62,177 | $987,993 | $764,777 | -$223,216 | -22.59% | |
| Bank Of New York Mellon Corp | 0.00% | 57,977 | $921,255 | $713,117 | -$208,138 | -22.59% | |
| Informed Momentum Co Llc | 0.06% | 39,656 | $630,134 | $487,769 | -$142,365 | -22.59% | |
| Aqr Capital Management Llc | 0.00% | 35,920 | $570,769 | $441,816 | -$128,953 | -22.59% | |
| Jane Street Group, Llc | 0.00% | 34,438 | $547,220 | $423,587 | -$123,633 | -22.59% | |
| Rhumbline Advisers | 0.00% | 31,664 | $503,131 | $389,467 | -$113,664 | -22.59% | |
| Barclays Plc | 0.00% | 31,011 | $492,765 | $381,435 | -$111,330 | -22.59% | |
| Millennium Management Llc | 0.00% | 30,619 | $486,536 | $376,614 | -$109,922 | -22.59% | |
| Two Sigma Investments, Lp | 0.00% | 30,192 | $479,751 | $371,362 | -$108,389 | -22.59% | |
| Connor, Clark & Lunn Investment Management Ltd. | 0.00% | 28,692 | $455,916 | $352,912 | -$103,004 | -22.59% | |
| Wells Fargo & Company/Mn | 0.00% | 27,417 | $435,657 | $337,229 | -$98,428 | -22.59% |
Frequently asked questions about NPCE
Who are the largest institutional holders of NPCE?
The largest institutional holders of NPCE reported in the latest SEC Form 13F filings include Polar Capital Holdings Plc, Soleus Capital Management, L.P., First Light Asset Management, Llc, Morgan Stanley, and Blackrock, Inc.. InsiderSet ranks institutional holders by their latest reported NPCE position.
What is NPCE institutional ownership?
This page tracks NPCE positions reported by institutional investment managers through SEC Form 13F. NEUROPACE INC (NPCE) institutional ownership on InsiderSet reflects disclosed 13F holdings among the managers we analyze, not every shareholder of the stock.
How many institutions own NPCE?
InsiderSet currently tracks 106 institutional managers reporting NPCE holdings in the latest available 13F data. This count reflects institutions included in the SEC Form 13F filings analyzed by InsiderSet and should not be interpreted as the total number of NPCE shareholders.
How much NPCE stock do institutions own?
Institutional investment managers disclosed approximately $421.85M in NPCE holdings for Q2 2026. This figure is reported 13F value as of the filing period, not necessarily today's market value.
When was NPCE institutional ownership last updated?
The latest NPCE institutional ownership data on InsiderSet is based on SEC Form 13F filings for the quarter ended June 30, 2026. Form 13F filings are generally reported after the quarter ends, so the holdings shown represent the latest publicly disclosed positions rather than real-time institutional holdings.
Are institutional NPCE holdings real-time?
No. Form 13F data is not real-time. It represents positions reported by institutional investment managers as of the end of the reporting quarter. An institution may have changed its NPCE position after the reporting date.
Are institutions buying or selling NPCE?
Institutional buying and selling can be analyzed by comparing NPCE positions across consecutive 13F reporting periods. InsiderSet's NPCE Ownership Changes page shows institutions that increased, reduced, initiated, or exited positions based on reported 13F holdings. View NPCE ownership changes.
How has NPCE institutional ownership changed over time?
InsiderSet tracks NPCE institutional holdings across multiple 13F reporting periods, allowing investors to compare institutional holder counts, reported value, and reported shares over time.