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Madrona Venture Group’s Nautilus Biotechnolgy NAUT Stock Holding History

Madrona Venture Group’s Portfolio NAUT Stock Details NAUT Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q4 		$11.7M Hold
6,020,770
– – 53.24% 1
2025
Q3 		$5.09M Hold
6,020,770
– – 36.76% 2
2025
Q2 		$4.36M Hold
6,020,770
– – 34.58% 2
2025
Q1 		$5.18M Hold
6,020,770
– – 18.2% 3
2024
Q4 		$10.1M Hold
6,020,770
– – 18.8% 2
2024
Q3 		$17.2M Hold
6,020,770
– – 23% 2
2024
Q2 		$14.1M Hold
6,020,770
– – 15.03% 2
2024
Q1 		$17.7M Hold
6,020,770
– – 15.07% 2
2023
Q4 		$18M Hold
6,020,770
– – 4.22% 3
2023
Q3 		$19M Hold
6,020,770
– – 6.52% 3
2023
Q2 		$23.3M Hold
6,020,770
– – 8.48% 3
2023
Q1 		$16.7M Hold
6,020,770
– – 6.76% 3
2022
Q4 		$10.8M Hold
6,020,770
– – 5.22% 3
2022
Q3 		$12.8M Hold
6,020,770
– – 5.87% 3
2022
Q2 		$16.2M Hold
6,020,770
– – 7.51% 3
2022
Q1 		$26.1M Hold
6,020,770
– – 7.73% 3
2021
Q4 		$31.2M Hold
6,020,770
– – 5.89% 3
2021
Q3 		$30.7M Hold
6,020,770
– – 4.08% 4
2021
Q2 		$47.8M Buy
+6,020,770
New +$65.2M 7.75% 3

Other funds holding NAUT

ACM
AH Capital Management Menlo Park, California $14.2B AUM 20.01% 1-Year Est. Return
PA
Perceptive Advisors New York $6.66B AUM 360.84% 1-Year Est. Return
CM
Cercano Management Bellevue, Washington $750M AUM 25.77% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
CFM
Comprehensive Financial Management Los Gatos, California $3.05B AUM 1.77% 1-Year Est. Return
ACI
Amazon.com Inc Seattle, Washington $4.42B AUM 22.6% 1-Year Est. Return
CGL
Clarius Group LLC Seattle, Washington $1.75B AUM 19.04% 1-Year Est. Return
Millennium Management
Millennium Management New York $276B AUM 44.8% 1-Year Est. Return
ST
Sentinel Trust Houston, Texas $1.13B AUM 24.31% 1-Year Est. Return
TM
Tikvah Management Charlotte, North Carolina $329M AUM 64.12% 1-Year Est. Return

Madrona Venture Group's NAUT Position: Q4 2025 in Review

Madrona Venture Group held its Nautilus Biotechnolgy (NAUT) position steady in Q4 2025 at 6,020,770 shares worth $11.7M. The position accounts for 53.24% of the portfolio, ranked #1.

Madrona Venture Group first reported a position in NAUT in Q2 2021 and has held it in 19 quarters since. The position peaked at $47.8M in Q2 2021. 68 funds tracked by Wall St. Rank hold NAUT as of Q4 2025.

  • Madrona Venture Group held 6,020,770 shares of Nautilus Biotechnolgy worth $11.7M as of Q4 2025.
  • Madrona Venture Group left its Nautilus Biotechnolgy share count unchanged in Q4 2025.
  • Nautilus Biotechnolgy made up 53.24% of Madrona Venture Group's portfolio in Q4 2025, its #1 holding.
  • Madrona Venture Group first reported a position in Nautilus Biotechnolgy in Q2 2021 and has held it in 19 quarters since.
  • Madrona Venture Group's Nautilus Biotechnolgy position peaked at $47.8M in Q2 2021.
  • 68 funds tracked by Wall St. Rank held Nautilus Biotechnolgy as of Q4 2025.

Based on Madrona Venture Group's 13F filing for Q4 2025, filed 13 Feb 2026.