NextCure, Inc. (NXTC) Ownership
NXTC ownership summary
as of October 18, 2026- Institutions
- 52.8% of shares outstanding
- Insiders
- 8.64% of shares outstanding
- Shares outstanding
- 4.6M
- Float
- 2.9M shares available to trade
- Short interest
- 4.66% 213K shares short
- Days to cover
- 2.01 short interest up 102.7% vs prior month
- Institutions 52.75%
- Insiders 8.64%
- Other investors 38.60%
NXTC top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Ikarian Capital, LLC | 6.30% | 288K | $1.8M | +50,000 (+21.0%) | June 30, 2026 |
| 2 | Adage Capital Partners Gp LLC | 6.06% | 277K | $1.7M | +277,202 (0.0%) | June 30, 2026 |
| 3 | Sofinnova Ventures | 4.86% | 223K | $1.4M | — | June 30, 2026 |
| 4 | Renaissance Technologies Corp | 3.74% | 171K | $1.1M | +110,668 (+182.8%) | June 30, 2026 |
| 5 | Vanguard Capital Management, LLC | 3.43% | 157K | $978,694 | −3,631 (−2.3%) | June 30, 2026 |
| 6 | Millennium Management LLC | 1.93% | 88K | $549,819 | +88,112 (0.0%) | June 30, 2026 |
| 7 | BOOTHBAY FUND MANAGEMENT, LLC | 1.85% | 85K | $528,447 | +15,070 (+21.6%) | June 30, 2026 |
| 8 | Squadron Capital Management LLC | 1.41% | 64K | $402,255 | −200,536 (−75.7%) | June 30, 2026 |
| 9 | Verdad Advisers, LP | 1.32% | 60K | $377,214 | +17,496 (+40.7%) | June 30, 2026 |
| 10 | Pfizer Inc | 0.97% | 44K | $276,725 | −109,007 (−71.1%) | June 30, 2026 |
| 11 | Affinity Asset Advisors, LLC | 0.92% | 42K | $261,830 | −199,866 (−82.6%) | June 30, 2026 |
| 12 | BlackRock Inc | 0.82% | 37K | $233,052 | +9,555 (+34.4%) | June 30, 2026 |
| 13 | HRT FINANCIAL LLC | 0.80% | 36K | $227,448 | +36,450 (0.0%) | June 30, 2026 |
| 14 | Jane Street Group LLC | 0.71% | 33K | $204,204 | +32,725 (0.0%) | June 30, 2026 |
| 15 | Geode Capital Management, LLC | 0.65% | 30K | $186,607 | −1,187 (−3.8%) | June 30, 2026 |
| 16 | CARDIFF PARK ADVISORS, LLC | 0.48% | 22K | $136,238 | — | June 30, 2026 |
| 17 | Acadian Asset Management LLC | 0.41% | 19K | $118,448 | — | June 30, 2026 |
| 18 | Vanguard Fiduciary Trust Co | 0.35% | 16K | $100,676 | +119 (+0.7%) | June 30, 2026 |
| 19 | Delaware Management Holdings Inc | 0.27% | 12K | $78,000 | +12,500 (0.0%) | June 30, 2026 |
| 20 | Virtu Financial LLC | 0.24% | 11K | $68,584 | +10,991 (0.0%) | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 12 holders added 661K shares and 5 cut 514K.
NXTC top mutual fund and ETF holders
14 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Vanguard MStar Total Stk Mkt Idx Invest | 2.69% | 123K | $769,242 | — | August 31, 2026 |
| 2 | Fidelity Nasdaq Composite Index | 1.09% | 50K | $312,137 | +50,022 (0.0%) | August 31, 2026 |
| 3 | Abante Quant Value FI | 0.44% | 20K | $125,823 | +20,164 (0.0%) | August 31, 2026 |
| 4 | Fidelity Extended Market Index | 0.43% | 20K | $124,008 | +3,623 (+22.3%) | August 31, 2026 |
| 5 | Nomura Healthcare Fund Class I | 0.27% | 12K | $78,000 | — | August 31, 2026 |
| 6 | iShares Micro-Cap ETF | 0.21% | 9,396 | $58,631 | −65 (−0.7%) | September 30, 2026 |
| 7 | BSF Systematic US Eq Abs Ret A2 USD | 0.17% | 7,757 | $48,404 | — | December 31, 2025 |
| 8 | Fidelity Series Total Market Index | 0.09% | 3,997 | $24,941 | — | August 31, 2026 |
| 9 | Fidelity Total Market Index | 0.08% | 3,634 | $22,676 | — | August 31, 2026 |
| 10 | DFA US Micro Cap I | 0.06% | 2,710 | $16,910 | +2,688 (+12,218.2%) | August 31, 2026 |
| 11 | DFA US Core Equity Class F | 0.02% | 914 | $5,703 | — | July 31, 2026 |
| 12 | 1290 VT Micro Cap K | 0.02% | 741 | $4,624 | — | August 31, 2026 |
| 13 | BlackRock Diversified Equity Alpha Inst | 0.02% | 689 | $4,299 | — | June 30, 2026 |
| 14 | Dimensional US Core Equity 2 ETF | <0.01% | 59 | $368 | — | September 30, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
NXTC insider transactions
latest 3| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2019-11-15 | Sofinnova Venture Partners Ix, | Buy | $36.75 | 150,000 | $5.5M |
| 2019-05-13 | Stella Xu | Buy | $15.00 | 125,000 | $1.9M |
| 2019-05-13 | X L.P. Canaan | Buy | $15.00 | 50,000 | $750,000 |
Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.
NXTC shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns NXTC
Institutional investors own 52.8% of NextCure's shares and insiders 8.64%. The largest holder is Ikarian Capital, LLC with 6.30% of the shares (288K), as of June 30, 2026. Among the top 20 institutions, 12 added shares and 5 reduced their stake in the latest filings. Short interest is 4.66% of the float, or 2.01 days of average trading volume. The share count fell 65.1% since 2018.
Related: NXTC analyst forecast, NXTC key metrics. See the NXTC stock overview for the latest quote and news.
NXTC ownership FAQ
Who owns the most NextCure stock?
The largest shareholders of NextCure are Ikarian Capital, LLC (6.30%), Adage Capital Partners Gp LLC (6.06%), Sofinnova Ventures (4.86%), Renaissance Technologies Corp (3.74%), Vanguard Capital Management, LLC (3.43%).
What percentage of NextCure is owned by institutions?
Institutions hold 52.8% of NextCure's shares outstanding; insiders hold 8.64%.
Which funds own NextCure?
The largest fund holders of NextCure are Vanguard MStar Total Stk Mkt Idx Invest (2.69%), Fidelity Nasdaq Composite Index (1.09%), Abante Quant Value FI (0.44%), Fidelity Extended Market Index (0.43%), Nomura Healthcare Fund Class I (0.27%).
What is NextCure's short interest?
213K shares of NextCure were sold short, 4.66% of the float; at the average daily volume it would take 2.01 days to cover.
Are insiders buying or selling NextCure?
Of the latest 3 reported insider transactions in NextCure (since May 13, 2019), 3 were purchases and 0 were sales.
How many shares of NextCure are outstanding?
NextCure has 4.6M shares outstanding, of which 2.9M are in the public float.