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NAUT

Nautilus Biotechnology, Inc.
$1.73 -0.11 (-5.98%) At close · Jul 2
Market Cap
$219.85M
Shares
127,078,855

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 83
Total Value: $211,081,312
Total Shares: 54,402,410

Institutional Ownership Trend

20 quarters

Holder Concentration

Across 83 13F filers · Δ vs Dec 31, 2025
Top Holder
32.5%
Jun 2023 → Mar 2026 · range 20.2% – 32.5%
+2.2 pts
Top 5
77.7%
Jun 2023 → Mar 2026 · range 64.0% – 79.2%
−1.2 pts
Top 10
89.6%
Jun 2023 → Mar 2026 · range 82.8% – 91.1%
−0.8 pts
HHI
1,842
Jun 2023 → Mar 2026 · range 1,045 – 1,842
Moderately concentrated+145

Quarterly Activity

vs Dec 31, 2025
New
26
Increased
17
Decreased
15
Sold Out
11
Unchanged
25
Holder count: +15
Institutional value: +85.7%
Shares held: -6.7%

Top Buyers

vs Dec 31, 2025
Institution Added Now Holds Open
Mega MILLENNIUM MANAGEMENT LLC +253,387 1,273,383
Large MARSHALL WACE, LLP +202,823 319,882
Large ACADIAN ASSET MANAGEMENT LLC +129,262 741,246
Mega GOLDMAN SACHS GROUP INC +93,331 390,768
Mega DIMENSIONAL FUND ADVISORS LP +43,684 329,123

Top Sellers

vs Dec 31, 2025
Institution Sold Now Holds Open
Mega JANE STREET GROUP, LLC −145,035 61,802
Large OMERS ADMINISTRATION Corp −80,285 24,500
Mid GSA CAPITAL PARTNERS LLP −69,352 54,699
Large Qube Research & Technologies Ltd −43,498 79,623
Mega CITIGROUP INC −40,570 21,142

Top New Positions

vs Dec 31, 2025
Institution Acquired Value (USD) Open
Mega VANGUARD CAPITAL MANAGEMENT LLC 2,545,597 $9,876,916
Mid Clearstead Advisors, LLC 2,329,784 $9,039,561
Mega VANGUARD FIDUCIARY TRUST CO 305,526 $1,185,440
Small CROWN ADVISORS MANAGEMENT, INC. 100,000 $388,000
Large HRT FINANCIAL LP 65,254 $253,185

Top Sold-Out Positions

vs Dec 31, 2025
Institution Previously Held Last Value (USD) Open
Micro Madrona Venture Group, LLC 6,020,770 $11,740,501
Mega VANGUARD GROUP INC 2,598,223 $5,066,533
Small Clarius Group, LLC 1,209,646 $2,358,809
Large Alyeska Investment Group, L.P. 253,468 $494,262
Mid Lighthouse Investment Partners, LLC 40,200 $78,390
Filter: New 26 Increased 17 Reduced 15 Sold out 11 Unchanged 25
Showing 83 of 83
All Common Calls Puts
Export CSV
Holder Value (USD) % of 13F Shares Open
Mid a16z Capital Management, L.L.C. $68,497,197 32.45% 17,653,917
Mid PERCEPTIVE ADVISORS LLC $48,865,538 23.15% 12,594,211
Mid Cercano Management LLC $27,831,181 13.19% 7,172,985
Mega VANGUARD CAPITAL MANAGEMENT LLC $9,876,916 4.68% 2,545,597
Mid Clearstead Advisors, LLC $9,039,561 4.28% 2,329,784
Mid Comprehensive Financial Management LLC $8,565,561 4.06% 2,207,619
Mid AMAZON COM INC $5,653,373 2.68% 1,457,055
Mega MILLENNIUM MANAGEMENT LLC $4,940,726 2.34% 1,273,383
Small SENTINEL TRUST CO LBA Bank $2,910,000 1.38% 750,000
Large ACADIAN ASSET MANAGEMENT LLC $2,876,034 1.36% 741,246
Small Tikvah Management LLC $2,820,352 1.34% 726,895
Mega GEODE CAPITAL MANAGEMENT, LLC $2,341,672 1.11% 603,524
Mega GOLDMAN SACHS GROUP INC $1,516,179 0.72% 390,768
Mega DIMENSIONAL FUND ADVISORS LP $1,276,995 0.60% 329,123
Large MARSHALL WACE, LLP $1,241,141 0.59% 319,882
Mega VANGUARD FIDUCIARY TRUST CO Bank $1,185,440 0.56% 305,526
Large RENAISSANCE TECHNOLOGIES LLC $1,030,916 0.49% 265,700
Mega STATE STREET CORP $839,127 0.40% 216,270
Small HILLMAN CO $776,000 0.37% 200,000
Mega BlackRock, Inc. $728,161 0.34% 187,671
Small Crewe Advisors LLC $527,881 0.25% 136,052
Mid BRIDGEWAY CAPITAL MANAGEMENT, LLC $504,400 0.24% 130,000
Large Corient Private Wealth LLC $445,377 0.21% 114,788
Mega NORTHERN TRUST CORP Bank $415,202 0.20% 107,011
Small CROWN ADVISORS MANAGEMENT, INC. $388,000 0.18% 100,000
Large Point72 Asset Management, L.P. $322,206 0.15% 83,043
Large Qube Research & Technologies Ltd $308,937 0.15% 79,623
Mega BARCLAYS PLC $284,500 0.13% 73,325
Large HRT FINANCIAL LP $253,185 0.12% 65,254
Small Palumbo Wealth Management LLC $253,096 0.12% 65,231
Mega BANK OF AMERICA CORP /DE/ Bank $245,010 0.12% 63,147
Mega JANE STREET GROUP, LLC $239,791 0.11% 61,802
Mid Brevan Howard Capital Management LP $234,743 0.11% 60,501
Mid GSA CAPITAL PARTNERS LLP $212,232 0.10% 54,699
Mid CITIZENS FINANCIAL GROUP INC/RI $194,000 0.09% 50,000
Mega MORGAN STANLEY $192,070 0.09% 49,503
Mega HSBC HOLDINGS PLC $191,862 0.09% 49,449
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $190,896 0.09% 49,200
Large JACOBS LEVY EQUITY MANAGEMENT, INC $180,008 0.09% 46,394
Small Catalyst Funds Management Pty Ltd $179,752 0.09% 46,328
Mid Ashton Thomas Private Wealth, LLC $174,600 0.08% 45,000
Large Fayez Sarofim & Co $174,600 0.08% 45,000
Mid Caprock Group, LLC $171,069 0.08% 44,090
Large POLEN CAPITAL MANAGEMENT LLC $156,538 0.07% 40,345
Large SEI INVESTMENTS CO $149,934 0.07% 38,643
Small Presidio Capital Management, LLC $134,496 0.06% 34,664
Large CAPTRUST FINANCIAL ADVISORS $131,931 0.06% 34,003
Mid Badgley Phelps Wealth Managers, LLC $116,400 0.06% 30,000
Large Hudson Bay Capital Management LP $114,824 0.05% 29,594
Mega UBS Group AG $104,383 0.05% 26,903
Mid Callan Family Office, LLC Family Office $100,763 0.05% 25,970
Large OMERS ADMINISTRATION Corp $95,060 0.05% 24,500
Small Diametric Capital, LP $88,487 0.04% 22,806
Mega CITIGROUP INC $82,030 0.04% 21,142
Large PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO Pension $74,884 0.04% 19,300
Mega Vanguard Global Advisers, LLC $64,435 0.03% 16,607
Large BLAIR WILLIAM & CO/IL $58,200 0.03% 15,000
Small FNY Investment Advisers, LLC $54,320 0.03% 14,000
Mid Engineers Gate Manager LP $53,846 0.03% 13,878
Mega BNP PARIBAS ARBITRAGE, SA $51,883 0.02% 13,372
Micro Vanguard Capital Wealth Advisors $50,440 0.02% 13,000
Small SYMMETRY PEAK MANAGEMENT LLC $48,500 0.02% 12,500
Micro CTC Alternative Strategies, Ltd. $48,100 0.02% 12,397
Large Schonfeld Strategic Advisors LLC $46,598 0.02% 12,010
Small Garde Capital, Inc. $42,680 0.02% 11,000
Mid NINE MASTS CAPITAL Ltd $40,332 0.02% 10,395
Small BFSG, LLC $25,996 0.01% 6,700
Large Rockefeller Capital Management L.P. $24,056 0.01% 6,200
Mega FMR LLC $12,970 0.01% 3,343
Large TD Waterhouse Canada Inc. $3,880 0.00% 1,000
Large Federation des caisses Desjardins du Quebec $3,880 0.00% 1,000
Large NATIONAL BANK OF CANADA /FI/ Bank $1,164 0.00% 300
Large OSAIC HOLDINGS, INC. $1,144 0.00% 295
Mega WELLS FARGO & COMPANY/MN $1,008 0.00% 260
Micro GILL CAPITAL PARTNERS, LLC $970 0.00% 250
Micro Your Advocates Ltd., LLP $582 0.00% 150
Mid SBI Securities Co., Ltd. Broker-Dealer $388 0.00% 100
Mega ROYAL BANK OF CANADA Bank $353 0.00% 91
Mid Optiver Holding B.V. $155 0.00% 40
Large CWM, LLC $112 0.00% 29
Mid EverSource Wealth Advisors, LLC $69 0.00% 18
Small Covestor Ltd $31 0.00% 8
Small Caitong International Asset Management Co., Ltd $3 0.00% 1
Key facts CIK 1808805 CUSIP 63909J108 13F (30d) 1 filings 1 filers Visit website Investor relations

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