Filer Snapshot

ADAR1 Capital Management, LLC

CIK 0001940272. SEC filing timeline plus parsed ownership intelligence from 13F, 13D/G, and Forms 3/4/5 where available.

Entity type

Company

Total filings

74

Latest filing

21 May 2026

Industry

n/a

Filing-backed research brief

Start with the SEC data that changes for this CIK

Latest signal: 13F-HR for Q1 2026. Each card links back to the PortfolioSavvy page where the filing evidence is closest.

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Largest parsed holding

ABVX

$155.22M reported value

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13D/G large stake

IKT

31 Mar 2026 · 9.9% ownership

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Source: SEC Forms 3/4/5

4 filed on 21 May 2026 for CIK 0001940272.

View Source Filing
Identity 1 fact
Business address
3503 Wild Cherry Drive, Building 9, Austin, TX, 78738
SEC ownership signals 5 facts
Ownership coverage

13F reported value

$1.65B

Latest parsed Form 13F market value.

Form 3/4/5 holdings value

$16.28M

Estimated from parsed insider ownership filings when values are disclosed.

Largest 13F symbols

ABVX, PTGX, ROIV, IMVT

Largest symbols in the latest parsed Form 13F information table.

Top disclosed positions
RLYB PIRS INM
Largest 13F holdings
ABVX PTGX ROIV IMVT SPY TERN CYTK CRNX
+12 moreBOXX DNLI BEAM ZLAB SEPN VIR DBVT AVR INSP SRRK RYTM SYRE
Schedule 13D positions
KROS
Schedule 13G positions
IKT PRTA OVID EQ OKUR HLXC BIOA LONA
+11 morePCSC GRCE SPRB IBIO ZURA KALA ADGM KPRX QNRX CLRB ACST
SEC filing record 2 facts
State of incorporation
TX
Fiscal year end
31 December

Filer intelligence

What SEC filings say about ADAR1 Capital Management, LLC

A compact read of parsed XML filings. 13F, 13D/G, and Forms 3/4/5 are shown separately because they answer different ownership questions.

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Quick read

  • Latest parsed 13F shows $1.65B across 293 reported holdings for Q1 2026.
  • Largest parsed 13F holding: ABVX at $155.22M.
  • 5 recent 13D/G stake rows found; top row is IKT at 9.9% ownership.
  • Forms 3/4/5 show insider context for RLYB worth $12.78M.

SEC source mix

Counts show available parsed rows, not one combined ownership total.

XML parsed
13F portfolio 293 rows

Quarterly institutional portfolio holdings.

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13D/G stakes 5 rows

Beneficial ownership and large-stake disclosures.

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Forms 3/4/5 5 rows

Officer, director, and 10% owner holdings or transactions.

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Top parsed 13F holdings

Visual share of the latest parsed 13F portfolio. Values are reported market value, not a recommendation.

Q1 2026 - 18 May 2026

Top 5 concentration

28%

Share of latest parsed 13F value represented by the visible holdings below.

Top 5 reported value

$466.96M

Compared with $1.65B total 13F value.

Top 5 net change

+$17.52M

Position-value change inside the visible top holdings only.

13F concentration map

A simple visual split of the latest parsed 13F portfolio.

Largest add: DNLI · Largest trim: RNA

ABVX PTGX ROIV IMVT SPY Other holdings

ABVX

9.4%

Abivax Sa

$155.22M

PTGX

6.4%

Protagonist Therapeutics Inc

$104.78M

ROIV

5.5%

Roivant Sciences Ltd

$91.02M

IMVT

4%

Immunovant Inc

$66.55M

SPY

3%

State Str Spdr S&P 500 Etf T

$49.39M

13D/G large-stake context

IKT

31 Mar 2026 · Common Stock, $0.001 par value

9.9%
Issuer page 13D/G history

EQ

31 Mar 2026 · Common Stock, par value $0.0001 per share

9.9%
Issuer page 13D/G history

GRCE

31 Mar 2026 · Common Stock, par value $0.0001 per share

9.9%
Issuer page 13D/G history

LONA

31 Mar 2026 · Common Stock, $0.0001 par value per share

7.7%
Issuer page 13D/G history

Forms 3/4/5 insider context

RLYB

18 May 2026 · 10% owner

$12.78M
Issuer page Owner page

PIRS

09 Aug 2024 · 10% owner

$2.3M
Issuer page Owner page

INM

19 May 2026 · 10% owner

$1.2M
Issuer page Owner page

KROS

15 Oct 2025 · 10% owner

$0
Issuer page Owner page

Latest update

What changed recently for ADAR1 Capital Management, LLC

Ownership report updated

Latest ownership report period: 19 May 2026. Open the source-backed page to inspect the fresh filing or facts context.

Update date

21 May 2026

Page type

Ownership filings

Latest period

19 May 2026

Ownership context was refreshed from SEC Forms 3/4/5 filed on 21 May 2026.

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Benchmark Context

Benchmark context for this company

ADAR1 Capital Management, LLC has a source-backed company facts view where you can compare the latest reported metrics with its own recent history and with peer rankings for the same metric.

Compared with

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Why this is notable

Latest ownership report period: 19 May 2026. That gives you a fresh baseline before you compare this company with peers.

  • Peer comparisons stay conservative: same metric, compatible units, latest valid company row only.
  • Open the facts page first if you want the cleanest path to verification.

Benchmark context is only shown where the app has enough comparable SEC-backed data to keep the interpretation honest.

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SEC filing record

CIK 0001940272 filing coverage

Start with this filing record, then use the linked ownership pages when parsed 13F, 13D/G, Forms 3/4/5, or facts data exists for this CIK.

SEC filings
74
First seen
14 Feb 2024
Latest filing
21 May 2026
Entity
Company

Observed form types

4 3 13F-HR SCHEDULE 13G/A SCHEDULE 13G 13F-HR/A SCHEDULE 13D/A N-PX SCHEDULE 13D SC 13G +2 more

Primary evidence

Open SEC filing index ADAR1 Capital Management, LLC SEC filings ADAR1 Capital Management, LLC 13F portfolio ADAR1 Capital Management, LLC 13D/G history ADAR1 Capital Management, LLC owner filings

Latest Filings

Showing the latest 12 of 74 SEC filings for ADAR1 Capital Management, LLC.

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4 File 001-39685

PRIMARY DOCUMENT

Filing date
21 May 2026
Reporting date
19 May 2026
SEC evidence
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3 File 001-39685

PRIMARY DOCUMENT

Filing date
21 May 2026
Reporting date
19 May 2026
SEC evidence
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4 File 001-40693

OWNERSHIP DOCUMENT

Filing date
20 May 2026
Reporting date
18 May 2026
SEC evidence
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13F-HR File 028-23931

13F-HR filing

Filing date
18 May 2026
Reporting date
31 Mar 2026
SEC evidence
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4 File 001-40693

OWNERSHIP DOCUMENT

Filing date
15 May 2026
Reporting date
13 May 2026
SEC evidence
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SCHEDULE 13G/A

SCHEDULE 13G/A filing

Filing date
15 May 2026
Reporting date
Not listed
SEC evidence
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SCHEDULE 13G/A

SCHEDULE 13G/A filing

Filing date
15 May 2026
Reporting date
Not listed
SEC evidence
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SCHEDULE 13G/A

SCHEDULE 13G/A filing

Filing date
15 May 2026
Reporting date
Not listed
SEC evidence
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SCHEDULE 13G/A

SCHEDULE 13G/A filing

Filing date
15 May 2026
Reporting date
Not listed
SEC evidence
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SCHEDULE 13G/A

SCHEDULE 13G/A filing

Filing date
15 May 2026
Reporting date
Not listed
SEC evidence
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SCHEDULE 13G

SCHEDULE 13G filing

Filing date
15 May 2026
Reporting date
Not listed
SEC evidence
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SCHEDULE 13G

SCHEDULE 13G filing

Filing date
15 May 2026
Reporting date
Not listed
SEC evidence
Open document Open filing
Next action
Verify source filing
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