VIR · NASDAQ · Biotechnology

VirBio (VIR)

Develops immune-based medicines for chronic hepatitis delta, solid tumors, and HIV cure research.

$11.33
vs last close+0.45 (+4.14%)

13F · 13D/G · Form 4

Institutions≈ 86.99%147.21M shares
246 holders · as of Jun 30, 2026 · largest filers plus last quarter's tail
Insiders11.90%20.14M shares
15 holders · as of Aug 12, 2026
Strategic holders13.66%23.12M shares
3 holders · as of Dec 3, 2025
Adds to112.55%

169.22M company shares as of Sep 22, 2026 · institutions as of Jun 30, 2026 · holders as of their latest filing

This quarter's institutional total failed a plausibility check; shown: the largest filers plus last quarter's remainder.

These groups come from separate filings that can overlap, so they add to 112.55%; nothing is left for Other.

13F · 13D/G · Form 4

HolderStakeSharesDate
BlackRock, Inc.Institution
12.22%20.68Mas of Jun 30, 2026
SVF Endurance (Cayman) LtdStrategic10 percent owner
8.11%13.73Mfiled Dec 3, 2025
Robert NelsenInsider
8.00%13.53Mfiled Mar 3, 2026
Arch Venture Management, LLCInstitution
7.50%12.69Mas of Jun 30, 2026
Vanguard Portfolio Management LLCInstitution
6.79%11.50Mas of Jun 30, 2026
SB Investment Advisers (UK) LtdInstitution
6.47%10.95Mas of Jun 30, 2026
State Street CorpInstitution
5.89%9.96Mas of Jun 30, 2026
GSK PLCInstitution
5.05%8.55Mas of Jun 30, 2026
Vanguard Capital Management LLCInstitution
3.78%6.39Mas of Jun 30, 2026
Point72 Asset Management, L.P.Institution
3.35%5.67Mas of Jun 30, 2026
Temasek Holdings (Private) LtdStrategic10 percent owner
3.25%5.50Mfiled Feb 11, 2021
George A. Scangos1Insiderdirector
2.51%6.27Mfiled Feb 25, 2025
Alaska Permanent Fund Corp2,3Strategic10 percent owner
2.30%3.89Mfiled Feb 16, 2021
Geode Capital Management, LLCInstitution
1.98%3.35Mas of Jun 30, 2026
Dimensional Fund Advisors LPInstitution
1.84%3.12Mas of Jun 30, 2026
Adar1 Capital Management, LLCInstitution
1.45%2.46Mas of Jun 30, 2026
Goldman Sachs Group IncInstitution
1.40%2.37Mas of Jun 30, 2026
FMR LLCInstitution
1.37%2.32Mas of Jun 30, 2026
Morgan StanleyInstitution
1.31%2.21Mas of Jun 30, 2026
Nuveen, LLCInstitution
1.17%1.98Mas of Jun 30, 2026
Pictet Asset Management Holding SAInstitution
1.15%1.95Mas of Jun 30, 2026
Boxer Capital Management, LLCInstitution
1.10%1.87Mas of Jun 30, 2026
Northern Trust CorpInstitution
0.85%1.43Mas of Jun 30, 2026
Hudson Bay Capital Management LPInstitution
0.81%1.36Mas of Jun 30, 2026
Gordonmd Global Investments LPInstitution
0.80%1.35Mas of Jun 30, 2026
  1. George A. Scangos's transaction reports restate only vehicles that traded; the 2022 ownership statement (6.27M) less the 2.02M net shares sold since is used instead.
  2. Alaska Permanent Fund Corp's transaction reports restate only vehicles that traded; the 2021 ownership statement (3.89M) is used instead.
  3. Alaska Permanent Fund Corp reports a block also reported by Point72 Asset Management, L.P.; it is counted once, under Point72 Asset Management, L.P.

13F, as of Jun 30, 2026

246 holders · 147.21M shares · 33 new positions · 128 increased · 75 reduced · 48 closed

HolderShares% outstandingChg q/qFiled
BlackRock, Inc.20.68M12.22%+2.68MAug 7, 2026
Arch Venture Management, LLC12.69M7.50%−222.5KAug 14, 2026
Vanguard Portfolio Management LLC11.50M6.79%+2.28MAug 13, 2026
SB Investment Advisers (UK) Ltd10.95M6.47%0Aug 14, 2026
State Street Corp9.96M5.89%+2.82MAug 7, 2026
GSK PLC8.55M5.05%0Aug 13, 2026
Vanguard Capital Management LLC6.39M3.78%+1.01MAug 13, 2026
Point72 Asset Management, L.P.5.67M3.35%+3.71MAug 14, 2026

13D/G · 5% or more, as filed

Holder% of classSharesFormFiled
BlackRock, Inc.10.80%14.83M13GApr 28, 2025
Robert Nelsenincl. ARCH Venture Partners IX Overage, L.P., Clinton Bybee +5 more8.50%13.53M13DMar 3, 2026
SB Investment Advisers (UK) Limited6.50%10.95M13GMay 15, 2026
State Street Corporation5.90%9.96M13GAug 7, 2026
Vanguard Portfolio Management5.79%9.26M13GApr 29, 2026

Form 4

Latest trades

DateInsiderTypeSharesAvg priceOwned after
Jun 1, 2026
Brent Sabatiniofficer: SVP, Chief Accounting Officer
Sale379$9.4561,902
Jun 1, 2026
Janet Napolitanodirector
Sale3,200$9.4521,216
May 1, 2026
Vicki L. Satodirector
Sale22,000$10.051,078,391
Apr 6, 2026
Marianne de Backerdirector, officer: President and CEO
Sale72,559$9.16948,145
Apr 1, 2026
Vicki L. Satodirector
Sale22,000$9.071,100,391
Mar 23, 2026
Brent Sabatiniofficer: SVP, Chief Accounting Officer
Sale7,711$9.1261,902
Mar 2, 2026
Vicki L. Satodirector
Sale · 2 lots22,000$9.511,122,391
Feb 24, 2026
Marianne de Backerdirector, officer: Chief Executive Officer
Sale14,762$9.531,020,704
Feb 25, 2026
Vanina de Verneuilofficer: EVP, General Counsel, Corp Sec
Sale13,700$9.82112,982
Feb 24, 2026
Vanina de Verneuilofficer: EVP, General Counsel, Corp Sec
Sale3,117$9.53126,682

House and Senate disclosures

Not reported.