Comparable stake leader
ADAR1 Capital Management, LLC
SEC ownership of NextCure, Inc.
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001661059.
Disclosed value leader
ADAR1 Capital Management, LLC
Comparable rows
11/50
Latest evidence
23 Oct 2026
- Public ticker
- NXTC on Nasdaq
- Parsed ownership sources
-
3/4/5, 13D/G, and 13F
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
ADAR1 Capital Management, LLC
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
11 of 50
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
ADAR1 Capital Management, LLC
Source: Latest parsed Schedule 13D/G stake
- Latest parsed ownership date
-
23 Oct 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0001661059
- Issuer location
- Baltimore, MD
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
3 signals
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of NextCure, Inc. (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
ADAR1 Capital Management,...
Disclosed value leader
ADAR1 Capital Management,...
Comparable rows
11/50
Latest evidence
23 Oct 2026
3/4/5
13D/G
13F
Lead comparable stake: 16%
39 rows are not safely comparable across share classes.
13D/G row: ADAR1 Capital Management, LLC
Showing 1-8 of 50 holder rows.
Quick read
ADAR1 Capital Management, LLC leads the comparable SEC ownership view at 16%.
11 of 50 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens ADAR1 Capital Management, LLC's linked filing trail.
Comparable ownership
Top 5
ADAR1 Capital Management, LLC
16%
Ikarian Capital, LLC
10%
JP Sailing Capital Ltd
9.9%
Simcere Zaiming, Inc.
9.4%
Adage Capital Management, L.P.
7.7%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-8 of 50 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| ADAR1 Capital Management, LLC |
3/4/5
13D/G
10%+ Owner
|
16%
Reported 13D/G
· 31 Jul 2026
|
$3,736,230
733,270 shares
|
+$92,106 | 23 Oct 2026 |
| Ikarian Capital, LLC |
13D/G
13F
Company
|
10%
Reported 13D/G
· 30 Jun 2026
|
$1,095,825
502,672 shares
|
+$304,409 | 30 Jun 2026 |
| JP Sailing Capital Ltd |
13D/G
|
9.9%
Reported 13D/G
· 30 Sep 2026
|
$2,206,755
455,001 shares
|
$0 | 30 Sep 2026 |
| Simcere Zaiming, Inc. |
3/4/5
13D/G
Former 10% Owner
|
9.4%
Reported 13D/G
· 31 Dec 2025
|
$493,817
308,636 shares
|
— | 10 Aug 2026 |
| Adage Capital Management, L.P. |
13D/G
|
7.7%
Reported 13D/G
· 30 Jun 2026
|
$604,300
277,202 shares
|
$0 | 30 Jun 2026 |
| Sofinnova Venture Partners IX, L.P. |
13D/G
Sofinnova Venture Partners IX, L.P. ("SVP IX")
|
7.1%
Reported 13D/G
· 19 Dec 2025
|
$2,947,939
222,654 shares
|
$0 | 19 Dec 2025 |
| Affinity Asset Advisors, LLC |
13D/G
13F
Company
|
6.4%
Reported 13D/G
· 30 Jun 2026
|
$597,479
274,073 shares
|
-$162,484 | 30 Jun 2026 |
| SILVERARC CAPITAL MANAGEMENT, LLC |
13D/G
|
5%
Reported 13D/G
· 31 Dec 2025
|
$2,286,980
176,057 shares
|
$0 | 31 Dec 2025 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Insider trading overview
Net insider flow leans to buying over the last 12 months. Net value: +$184,211.
Buys
$184,211
Insiders: 2
Sells
$0
Insiders: 0
Net
+$184,211
Shares: +37,708
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 37,708
Shares: 0
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 21,702 | 0 | $107,383 | $0 | +$107,383 |
| 3-6 | 16,006 | 0 | $76,829 | $0 | +$76,829 |
| 6-9 | 0 | 0 | $0 | $0 | $0 |
| 9-12 | 0 | 0 | $0 | $0 | $0 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-20 of 26 reporting-owner rows connected to NextCure, Inc.. Open a relationship link for the CIK-to-CIK filing trail.
Rows
26
Largest Forms 3/4/5 holder
ADAR1 Capital Management, LLC
Net 12M change
+$184.21K
Full value: +$184,212 · USD · 12-month changeLatest report
23 Oct 2026
Recent insider transactions for NextCure, Inc.
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| ADAR1 Capital Management, LLC | NXTC | Common Stock | Purchase | 0.49% | $18,104 | $5.10 | 3,553 | 733,270 | 27 Oct 2026 | See Footnote |
| ADAR1 Capital Management, LLC | NXTC | Common Stock | Purchase | 0.49% | $18,104 | $5.10 | 3,553 | 733,270 | 27 Oct 2026 | See Footnote |
| ADAR1 Capital Management, LLC | NXTC | Common Stock | Purchase | 0.23% | $8,418 | $5.03 | 1,672 | 729,717 | 26 Oct 2026 | See Footnote |
| ADAR1 Capital Management, LLC | NXTC | Common Stock | Purchase | 0.23% | $8,418 | $5.03 | 1,672 | 729,717 | 26 Oct 2026 | See Footnote |
| ADAR1 Capital Management, LLC | NXTC | Common Stock | Purchase | 0.78% | $27,170 | $4.83 | 5,626 | 728,045 | 23 Oct 2026 | See Footnote |
| ADAR1 Capital Management, LLC | NXTC | Common Stock | Purchase | 0.78% | $27,170 | $4.83 | 5,626 | 728,045 | 23 Oct 2026 | See Footnote |
| Simcere Zaiming, Inc. | NXTC | Common Stock | Sale | -8.86% | -30,000 | 308,636 | 10 Aug 2026 | See Footnotes | ||
| Simcere Zaiming, Inc. | NXTC | Common Stock | Sale | -8.86% | -30,000 | 308,636 | 10 Aug 2026 | See Footnotes | ||
| Simcere Zaiming, Inc. | NXTC | Common Stock | Sale | -8.86% | -30,000 | 308,636 | 10 Aug 2026 | See Footnotes | ||
| Simcere Zaiming, Inc. | NXTC | Common Stock | Sale | -8.86% | -30,000 | 308,636 | 10 Aug 2026 | See Footnotes | ||
| Simcere Zaiming, Inc. | NXTC | Common Stock | Sale | -8.86% | -30,000 | 308,636 | 10 Aug 2026 | See Footnotes | ||
| Simcere Zaiming, Inc. | NXTC | Common Stock | Sale | -8.86% | -30,000 | 308,636 | 10 Aug 2026 | See Footnotes | ||
| ADAR1 Capital Management, LLC | NXTC | Common Stock | Purchase | 1.12% | $38,414 | $4.80 | 8,003 | 722,419 | 31 Jul 2026 | See Footnote |
| ADAR1 Capital Management, LLC | NXTC | Common Stock | Purchase | 1.12% | $38,414 | $4.80 | 8,003 | 722,419 | 31 Jul 2026 | See Footnote |
| ADAR1 Capital Management, LLC | NXTC | Common Stock | Purchase | 4.12% | 28,300 | 714,416 | 31 Jul 2026 | See Footnote | ||
| ADAR1 Capital Management, LLC | NXTC | Common Stock | Purchase | 4.12% | 28,300 | 714,416 | 31 Jul 2026 | See Footnote | ||
| ADAR1 Capital Management, LLC | NXTC | Common Stock | Purchase | 74.5% | 292,850 | 686,116 | 30 Jul 2026 | See Footnote | ||
| ADAR1 Capital Management, LLC | NXTC | Common Stock | Purchase | 74.5% | 292,850 | 686,116 | 30 Jul 2026 | See Footnote | ||
| ADAR1 Capital Management, LLC | NXTC | Common Stock | Purchase | 0.87% | 3,410 | 393,266 | 29 Jul 2026 | See Footnote | ||
| ADAR1 Capital Management, LLC | NXTC | Common Stock | Purchase | 0.87% | 3,410 | 393,266 | 29 Jul 2026 | See Footnote | ||
| ADAR1 Capital Management, LLC | NXTC | Common Stock | Purchase | 1.67% | 6,400 | 389,856 | 28 Jul 2026 | See Footnote | ||
| ADAR1 Capital Management, LLC | NXTC | Common Stock | Purchase | 1.67% | 6,400 | 389,856 | 28 Jul 2026 | See Footnote | ||
| ADAR1 Capital Management, LLC | NXTC | Common Stock | Purchase | 2.08% | 7,798 | 383,456 | 27 Jul 2026 | See Footnote | ||
| ADAR1 Capital Management, LLC | NXTC | Common Stock | Purchase | 2.08% | 7,798 | 383,456 | 27 Jul 2026 | See Footnote | ||
| Ellen Feigal | NXTC | Stock Option (Right to Buy) | Award | 2,340 | 2,340 | 18 Jun 2026 | Direct | |||
| Elaine V Jones | NXTC | Stock Option (Right to Buy) | Award | 2,340 | 2,340 | 18 Jun 2026 | Direct | |||
| Anne Elizabeth Borgman | NXTC | Stock Option (Right to Buy) | Award | 2,340 | 2,340 | 18 Jun 2026 | Direct | |||
| Stephen W. Webster | NXTC | Stock Option (Right to Buy) | Award | 2,340 | 2,340 | 18 Jun 2026 | Direct | |||
| Kabakoff David S | NXTC | Stock Option (Right to Buy) | Award | 3,510 | 3,510 | 18 Jun 2026 | Direct | |||
| John G. Houston | NXTC | Stock Option (Right to Buy) | Award | 2,340 | 2,340 | 18 Jun 2026 | Direct | |||
| Kevin G. Shaw | NXTC | Employee Stock Option (Right to Buy) | Award | 8,270 | 8,270 | 30 Jan 2026 | Direct | |||
| Sourav Kundu | NXTC | Employee Stock Option (Right to Buy) | Award | 8,270 | 8,270 | 30 Jan 2026 | Direct | |||
| Timothy Mayer | NXTC | Employee Stock Option (Right to Buy) | Award | 14,670 | 14,670 | 30 Jan 2026 | Direct | |||
| Udayan Guha | NXTC | Employee Stock Option (Right to Buy) | Award | 14,670 | 14,670 | 30 Jan 2026 | Direct | |||
| Steven P. Cobourn | NXTC | Employee Stock Option (Right to Buy) | Award | 14,670 | 14,670 | 30 Jan 2026 | Direct | |||
| Michael Richman | NXTC | Employee Stock Option (Right to Buy) | Award | 38,190 | 38,190 | 30 Jan 2026 | Direct |
* marks a reported price that did not pass the local price check.