NAUT · NASDAQ · Biotechnology

Nautilus Biotechnology (NAUT)

Builds the Voyager platform for intact-protein and proteoform analysis.

$0.9212
Pre-market−0.04 (−4.22%)
At close$0.9618(+3.81%)

Breakdown13F · 13D/G · Form 4

Institutions81 holders · as of Mar 31, 202642.70%54.34M shares
Insiders5 holders · as of Mar 4, 202634.55%43.97M shares
Strategic holders1 holder · as of Feb 10, 20225.64%7.17M shares
Otherremainder17.11%21.77M shares

127.26M company shares as of Sep 3, 2026 · institutions as of Mar 31, 2026 · holders as of their latest filing

Top shareholders13F · 13D/G · Form 4

HolderStakeSharesEvidence
Parag MallickInsiderdirector, 10 percent owner, officer: Chief Scientist
17.73%22.56M13Dfiled Mar 4, 2026
Sujal M. Patel1Insiderdirector, 10 percent owner, officer: CEO, President, and Secretary
16.70%21.25M13Dfiled Mar 4, 2026
Ah Capital Management, L.L.C.Institution
13.87%17.65M13Fas of Mar 31, 2026
Perceptive Advisors LLCInstitution
9.90%12.59M13Fas of Mar 31, 2026
Cercano Management LLCInstitution
5.64%7.17M13Fas of Mar 31, 2026
Cougar Investment Holdings LLCStrategic
5.64%7.17M13Gfiled Feb 10, 2022
Vanguard Capital Management LLCInstitution
2.00%2.55M13Fas of Mar 31, 2026
Clearstead Advisors, LLCInstitution
1.83%2.33M13Fas of Mar 31, 2026
Comprehensive Financial Management LLCInstitution
1.73%2.21M13Fas of Mar 31, 2026
Amazon Com IncInstitution
1.14%1.46M13Fas of Mar 31, 2026
Millennium Management LLCInstitution
1.00%1.27M13Fas of Mar 31, 2026
Sentinel Trust Co LbaInstitution
0.59%750,00013Fas of Mar 31, 2026
Acadian Asset Management LLCInstitution
0.58%741,24613Fas of Mar 31, 2026
Tikvah Management LLCInstitution
0.57%726,89513Fas of Mar 31, 2026
Geode Capital Management, LLCInstitution
0.47%603,52413Fas of Mar 31, 2026
Goldman Sachs Group IncInstitution
0.31%390,76813Fas of Mar 31, 2026
Dimensional Fund Advisors LPInstitution
0.26%329,12313Fas of Mar 31, 2026
Marshall Wace, LLPInstitution
0.25%319,88213Fas of Mar 31, 2026
Vanguard Fiduciary Trust CoInstitution
0.24%305,52613Fas of Mar 31, 2026
Renaissance Technologies LLCInstitution
0.21%265,70013Fas of Mar 31, 2026
State Street CorpInstitution
0.17%216,27013Fas of Mar 31, 2026
Hillman CoInstitution
0.16%200,00013Fas of Mar 31, 2026
BlackRock, Inc.Institution
0.15%187,67113Fas of Mar 31, 2026
Crewe Advisors LLCInstitution
0.11%136,05213Fas of Mar 31, 2026
Bridgeway Capital Management, LLCInstitution
0.10%130,00013Fas of Mar 31, 2026
  1. Sujal M. Patel's transaction reports restate only vehicles that traded; the 2026 ownership statement (21.25M) is used instead.

13F — a manager's quarterly holdings · 13D/13G — an ownership statement filed at 5% or more

Institutions13F, as of Mar 31, 2026

81 holders · 54.34M shares · 27 new positions · 44 increased · 13 reduced · 12 closed

HolderShares% outstandingChg q/qFiled
Ah Capital Management, L.L.C.17.65M13.87%0May 15, 2026
Perceptive Advisors LLC12.59M9.90%0May 29, 2026
Cercano Management LLC7.17M5.64%0May 13, 2026
Vanguard Capital Management LLC2.55M2.00%+2.55MnewMay 15, 2026
Clearstead Advisors, LLC2.33M1.83%+2.33MnewMay 6, 2026
Comprehensive Financial Management LLC2.21M1.73%0May 15, 2026
Amazon Com Inc1.46M1.14%0May 5, 2026
Millennium Management LLC1.27M1.00%+253.4KMay 15, 2026

Ownership statements13D/G · 5% or more, as filed

Holder% of classSharesFormFiled
Parag Mallick17.60%22.56M13DMar 4, 2026
Sujal Patel16.30%21.25M13DMar 4, 2026
Perceptive Advisors LLCincl. Joseph Edelman, Perceptive Life Sciences Master Fund, Ltd. +1 more9.10%11.63M13DAug 14, 2026
Marc L. Andreessenincl. AH Bio Fund II, L.P., AH Equity Partners Bio II, L.L.C. +3 more6.00%7.68M13DAug 28, 2026

Insider tradesForm 4

Latest trades

DateInsiderTypeSharesAvg priceOwned after
Jun 2, 2026
AH Equity Partners Bio II, L.L.C.10 percent owner
Sale · 2 lots5,000,000$2.35971,885
Mar 4, 2026
Sujal M. Pateldirector, 10 percent owner, officer: CEO, President, and Secretary
Purchase25,000$2.6110,366,721
Nov 6, 2025
Kentaro Suzukiofficer: Chief Marketing Officer
Purchase4,000$1.494,000
Sep 5, 2025
Sujal M. Pateldirector, 10 percent owner, officer: CEO, President, and Secretary
Purchase116,500$0.674210,258,221
Sep 8, 2025
Sujal M. Pateldirector, 10 percent owner, officer: CEO, President, and Secretary
Purchase83,500$0.683010,341,721
Sep 4, 2025
Matthew B. Murphyofficer: General Counsel
Purchase20,000$0.642974,140

CongressHouse and Senate disclosures

Not reported.