NEUROPACE INC (NPCE) Institutional Shareholders
NEUROPACE INC (NPCE) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026. The institutional investors covered on this page collectively reported approximately $422.38M in NPCE holdings during the latest filing period.
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 $46.67M, representing an estimated loss of -10.95% 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
109
Total Reported Value
$422.38M
Largest Holder
Polar Capital Holdings Plc
Largest Position
$52.41M
Insider Transactions (90d)
7
Latest Filing Quarter
Q2 2026
New Institutional Positions
138
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 | $46,668,172 | -$5,738,701 | -10.95% | |
| Soleus Capital Management, L.P. | 1.59% | 2,911,122 | $46,257,729 | $41,192,376 | -$5,065,353 | -10.95% | |
| First Light Asset Management, Llc | 2.76% | 2,861,167 | $45,463,944 | $40,485,513 | -$4,978,431 | -10.95% | |
| Morgan Stanley | 0.00% | 2,654,391 | $42,178,273 | $37,559,633 | -$4,618,640 | -10.95% | |
| Blackrock, Inc. | 0.00% | 2,477,603 | $39,369,112 | $35,058,082 | -$4,311,030 | -10.95% | |
| Orbimed Advisors Llc | 0.45% | 1,505,125 | $23,916,436 | $21,297,519 | -$2,618,917 | -10.95% | |
| Driehaus Capital Management Llc | 0.13% | 1,447,391 | $22,999,043 | $20,480,583 | -$2,518,460 | -10.95% | |
| Vanguard Capital Management Llc | 0.00% | 1,227,072 | $19,498,174 | $17,363,069 | -$2,135,105 | -10.95% | |
| Deutsche Bank Ag\ | 0.00% | 938,919 | $14,919,423 | $13,285,704 | -$1,633,719 | -10.95% | |
| Armistice Capital, Llc | 0.30% | 692,000 | $10,995,880 | $9,791,800 | -$1,204,080 | -10.95% | |
| Geode Capital Management, Llc | 0.00% | 666,300 | $10,589,998 | $9,428,145 | -$1,161,853 | -10.97% | |
| Fmr Llc | 0.00% | 554,771 | $8,815,311 | $7,850,010 | -$965,301 | -10.95% | |
| State Street Corp | 0.00% | 550,132 | $8,741,597 | $7,784,368 | -$957,229 | -10.95% | |
| Silvercrest Asset Management Group Llc | 0.04% | 344,124 | $5,468,130 | $4,869,355 | -$598,775 | -10.95% | |
| Northern Trust Corp | 0.00% | 260,025 | $4,131,798 | $3,679,354 | -$452,444 | -10.95% | |
| Qube Research & Technologies Ltd | 0.00% | 221,237 | $3,515,456 | $3,130,504 | -$384,952 | -10.95% | |
| Vanguard Portfolio Management Llc | 0.00% | 220,371 | $3,501,695 | $3,118,250 | -$383,445 | -10.95% | |
| Palumbo Wealth Management Llc | 0.70% | 209,199 | $3,324,173 | $2,960,166 | -$364,007 | -10.95% | |
| Essex Investment Management Co Llc | 0.43% | 208,703 | $3,316,291 | $2,953,147 | -$363,144 | -10.95% | |
| Algert Global Llc | 0.03% | 184,774 | $2,936,059 | $2,614,552 | -$321,507 | -10.95% | |
| Vanguard Fiduciary Trust Co | 0.00% | 182,534 | $2,900,465 | $2,582,856 | -$317,609 | -10.95% | |
| Jpmorgan Chase & Co | 0.00% | 173,311 | $2,864,831 | $2,452,351 | -$412,480 | -14.40% | |
| Highmark Wealth Management Llc | 0.87% | 163,000 | $2,590,070 | $2,306,450 | -$283,620 | -10.95% | |
| Russell Investments Group, Ltd. | 0.00% | 162,164 | $2,576,783 | $2,294,621 | -$282,162 | -10.95% | |
| D. E. Shaw & Co., Inc. | 0.00% | 161,081 | $2,559,577 | $2,279,296 | -$280,281 | -10.95% | |
| Goldman Sachs Group Inc | 0.00% | 149,566 | $2,376,604 | $2,116,359 | -$260,245 | -10.95% | |
| Citadel Advisors Llc | 0.00% | 128,800 | $2,046,632 | $1,822,520 | -$224,112 | -10.95% | |
| Lazard Asset Management Llc | 0.00% | 127,728 | $2,029,598 | $1,807,351 | -$222,247 | -10.95% | |
| Gsa Capital Partners Llp | 0.12% | 115,535 | $1,836,000 | $1,634,820 | -$201,180 | -10.96% | |
| Panagora Asset Management Inc | 0.01% | 114,059 | $1,812,398 | $1,613,935 | -$198,463 | -10.95% | |
| Renaissance Technologies LLC | Jim Simons | 0.00% | 111,699 | $1,774,897 | $1,580,541 | -$194,356 | -10.95% |
| Tudor Investment Corp Et Al | 0.01% | 109,874 | $1,745,898 | $1,554,717 | -$191,181 | -10.95% | |
| Nuveen, Llc | 0.00% | 99,498 | $1,581,023 | $1,407,897 | -$173,126 | -10.95% | |
| Healthcare Of Ontario Pension Plan Trust Fund | 0.00% | 94,800 | $1,506,372 | $1,341,420 | -$164,952 | -10.95% | |
| Bnp Paribas Financial Markets | 0.00% | 87,677 | $1,393,188 | $1,240,630 | -$152,558 | -10.95% | |
| Man Group Plc | 0.00% | 84,073 | $1,335,920 | $1,189,633 | -$146,287 | -10.95% | |
| Norges Bank | 0.00% | 79,900 | $1,269,611 | $1,130,585 | -$139,026 | -10.95% | |
| Charles Schwab Investment Management Inc | 0.00% | 77,831 | $1,236,735 | $1,101,309 | -$135,426 | -10.95% | |
| Legato Capital Management Llc | 0.09% | 70,334 | $1,117,607 | $995,226 | -$122,381 | -10.95% | |
| Sei Investments Co | 0.00% | 62,177 | $987,993 | $879,805 | -$108,188 | -10.95% | |
| Bank Of New York Mellon Corp | 0.00% | 57,977 | $921,255 | $820,375 | -$100,880 | -10.95% | |
| Informed Momentum Co Llc | 0.06% | 39,656 | $630,134 | $561,132 | -$69,002 | -10.95% | |
| Aqr Capital Management Llc | 0.00% | 35,920 | $570,769 | $508,268 | -$62,501 | -10.95% | |
| Jane Street Group, Llc | 0.00% | 34,438 | $547,220 | $487,298 | -$59,922 | -10.95% | |
| Rhumbline Advisers | 0.00% | 31,664 | $503,131 | $448,046 | -$55,085 | -10.95% | |
| Barclays Plc | 0.00% | 31,011 | $492,765 | $438,806 | -$53,959 | -10.95% | |
| Millennium Management Llc | 0.00% | 30,619 | $486,536 | $433,259 | -$53,277 | -10.95% | |
| Two Sigma Investments, Lp | 0.00% | 30,192 | $479,751 | $427,217 | -$52,534 | -10.95% | |
| Connor, Clark & Lunn Investment Management Ltd. | 0.00% | 28,692 | $455,916 | $405,992 | -$49,924 | -10.95% | |
| Wells Fargo & Company/Mn | 0.00% | 27,417 | $435,657 | $387,951 | -$47,706 | -10.95% |
Frequently asked questions about NPCE
Who owns the most NPCE stock?
The largest holders of NPCE are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for NEUROPACE INC (NPCE).
Is NPCE widely held by superinvestors?
Many widely followed stocks like NPCE appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly NPCE is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.