NAUT · Nautilus Biotechnology, Inc.

$0.88 -0.08 (-8.30%) At close · Aug 24

Market Cap

$110.85M

127.08M

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.

Quarter:

Holders: 93

Total Value: $93,842,502

Total Shares: 50,183,183

Institutional Ownership Trend

21 quarters

Holder Concentration

Across 93 13F filers · Δ vs Mar 31, 2026

Top Holder

23.2%

−21.8 pts

Top 5

66.0%

−12.5 pts

Top 10

80.6%

−8.3 pts

HHI

1,188

Broadly held−1,277

Quarterly Activity

vs Mar 31, 2026

New

Increased

Decreased

Sold Out

Unchanged

Holder count: +13

Institutional value: -38.4%

Shares held: +27.8%

Top Buyers

vs Mar 31, 2026

Institution	Added	Now Holds
Mega BlackRock, Inc.	+2,499,555	2,687,226
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP	+841,749	890,949
Mega GEODE CAPITAL MANAGEMENT, LLC	+662,011	1,265,535
Mega BARCLAYS PLC	+651,996	725,321
Large RENAISSANCE TECHNOLOGIES LLC	+424,814	690,514

Top Sellers

vs Mar 31, 2026

Institution	Sold	Now Holds
Large a16z Capital Management, L.L.C.	−8,590,863	9,063,054
Mid Clearstead Advisors, LLC	−1,436,997	892,787
Mega MILLENNIUM MANAGEMENT LLC	−1,084,653	188,730
Mega GOLDMAN SACHS GROUP INC	−138,017	252,751
Large MARSHALL WACE, LLP	−54,300	265,582

Top New Positions

vs Mar 31, 2026

Institution	Acquired	Value (USD)
Mid PERCEPTIVE ADVISORS LLC	11,634,211	$21,755,974
Mega VANGUARD CAPITAL MANAGEMENT LLC	2,549,979	$4,768,460
Mega CITADEL ADVISORS LLC	1,934,792	$3,618,061
Mega JPMORGAN CHASE & CO	614,177	$1,148,509
Mega VANGUARD PORTFOLIO MANAGEMENT LLC	337,748	$631,588

Top Sold-Out Positions

vs Mar 31, 2026

Institution	Previously Held	Last Value (USD)
Mid AMAZON COM INC	1,457,055	$5,653,373
Small Tikvah Management LLC	726,895	$2,820,352
Small CROWN ADVISORS MANAGEMENT, INC.	100,000	$388,000
Mega JANE STREET GROUP, LLC	61,802	$239,791
Mid Brevan Howard Capital Management LP	60,501	$234,743

Filter: New 31 Increased 29 Reduced 11 Sold out 18 Unchanged 22

Showing 95 of 95

All Common Calls Puts

Compact Export CSV

Holder

Value (USD)

% of 13F

PERCEPTIVE ADVISORS LLC

$21,755,974

23.18%

11,634,211

a16z Capital Management, L.L.C.

$16,947,910

18.06%

9,063,054

Cercano Management LLC

$13,413,481

14.29%

7,172,985

BlackRock, Inc.

$5,025,110

5.35%

2,687,226

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BLACKROCK FINANCIAL MANAGEMENT INC/DE	30,707	$57,422	1.1%	Sole
BlackRock Investment Management, LLC	144,842	$270,854	5.4%	Sole
BLACKROCK ADVISORS LLC	99,686	$186,412	3.7%	Sole
BlackRock Fund Advisors	1,699,582	$3,178,218	63.2%	Sole
BlackRock Institutional Trust Company, N.A.	712,409	$1,332,204	26.5%	Sole

VANGUARD CAPITAL MANAGEMENT LLC

$4,768,460

5.08%

2,549,979

Comprehensive Financial Management LLC

$4,128,247

4.40%

2,207,619

CITADEL ADVISORS LLC

$3,545,879

3.78%

1,896,192

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Citadel Securities GP LLC	1,895,692	$3,544,944	100.0%	Defined
Held directly	500	$935	0.0%	Defined

GEODE CAPITAL MANAGEMENT, LLC

$2,366,549

2.52%

1,265,535

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
GEODE CAPITAL MANAGEMENT TRUST COMPANY, LLC	181,254	$338,944	14.3%	Defined
Held directly	1,084,281	$2,027,605	85.7%	Defined

ACADIAN ASSET MANAGEMENT LLC

$1,973,712

2.10%

1,055,461

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Acadian Inc	1,055,461	$1,973,712	100.0%	Defined

Clearstead Advisors, LLC

$1,669,511

1.78%

892,787

SUSQUEHANNA INTERNATIONAL GROUP, LLP

$1,666,074

1.78%

890,949

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
SUSQUEHANNA SECURITIES, LLC	878,874	$1,643,494	98.6%	Other
G1 EXECUTION SERVICES, LLC	12,075	$22,580	1.4%	Other

SENTINEL TRUST CO LBA

$1,402,500

1.49%

750,000

BARCLAYS PLC

$1,356,349

1.45%

725,321

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BARCLAYS BANK PLC	721,902	$1,349,956	99.5%	Defined
BARCLAYS CAPITAL INC.	3,419	$6,393	0.5%	Defined

RENAISSANCE TECHNOLOGIES LLC

$1,291,261

1.38%

690,514

JPMORGAN CHASE & CO

$1,148,509

1.22%

614,177

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
JPMorgan Chase Bank, N.A.	48,358	$90,429	7.9%	Defined
J.P. Morgan Investment Management Inc.	536,187	$1,002,669	87.3%	Defined
J.P. Morgan Securities LLC	29,632	$55,411	4.8%	Defined

STATE STREET CORP

$1,046,279

1.11%

559,508

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
SSGA FUNDS MANAGEMENT, INC. joint	559,508	$1,046,279	100.0%	Defined

DIMENSIONAL FUND ADVISORS LP

$889,825

0.95%

475,844

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Dimensional Fund Advisors Ltd.	7,177	$13,420	1.5%	Defined
DFA Australia Ltd.	29,477	$55,121	6.2%	Defined
Dimensional Ireland Ltd	59,397	$111,072	12.5%	Defined
Held directly	379,793	$710,212	79.8%	Sole

NORTHERN TRUST CORP

$712,907

0.76%

381,234

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
NORTHERN TRUST CO joint	373,473	$698,394	98.0%	Defined
DWS INVESTMENT MANAGEMENT AMERICAS, INC joint	7,761	$14,513	2.0%	Other

HRT FINANCIAL LP

$675,206

0.72%

361,073

VANGUARD FIDUCIARY TRUST CO

$660,283

0.70%

353,093

VANGUARD PORTFOLIO MANAGEMENT LLC

$631,588

0.67%

337,748

MARSHALL WACE, LLP

$496,637

0.53%

265,582

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Marshall Wace North America L.P. joint	265,582	$496,637	100.0%	Other

Qube Research & Technologies Ltd

$481,237

0.51%

257,346

GOLDMAN SACHS GROUP INC

$472,643

0.50%

252,751

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
GOLDMAN SACHS & CO. LLC	197,058	$368,498	78.0%	Defined
GOLDMAN SACHS ASSET MANAGEMENT, L.P.	55,693	$104,145	22.0%	Defined

HILLMAN CO

$374,000

0.40%

200,000

MILLENNIUM MANAGEMENT LLC

$352,925

0.38%

188,730

BRIDGEWAY CAPITAL MANAGEMENT, LLC

$336,600

0.36%

180,000

Corient Private Wealth LLC

$308,153

0.33%

164,788

Crewe Advisors LLC

$254,417

0.27%

136,052

CHARLES SCHWAB INVESTMENT MANAGEMENT INC

$231,289

0.25%

123,684

Bank of New York Mellon Corp

$229,205

0.24%

122,570

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Mellon Investments Corporation	47,650	$89,105	38.9%	Defined
The Bank of New York Mellon	74,920	$140,100	61.1%	Defined

GSA CAPITAL PARTNERS LLP

$189,079

0.20%

101,112

MORGAN STANLEY

$183,655

0.20%

98,212

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
MORGAN STANLEY & CO INTERNATIONAL PLC	53	$99	0.1%	Defined
MORGAN STANLEY & CO. LLC	18,072	$33,794	18.4%	Defined
MORGAN STANLEY CAPITAL SERVICES, LLC	25,290	$47,292	25.8%	Defined
MORGAN STANLEY SMITH BARNEY LLC	10,000	$18,700	10.2%	Defined
PARAMETRIC PORTFOLIO ASSOCIATES LLC	44,797	$83,770	45.6%	Defined

BANK OF AMERICA CORP /DE/

$144,098

0.15%

77,058

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
BANK OF AMERICA NA	28,458	$53,216	36.9%	Defined
BOFA SECURITIES, INC.	48,600	$90,882	63.1%	Defined

Point72 Asset Management, L.P.

$127,044

0.14%

67,938

Palumbo Wealth Management LLC

$123,853

0.13%

66,232

Nuveen, LLC

$123,797

0.13%

66,202

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
TEACHERS ADVISORS, LLC joint	66,202	$123,797	100.0%	Defined

Quadrature Capital Ltd

$109,505

0.12%

58,559

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Quadrature US Inc.	58,559	$109,505	100.0%	Other

Y-Intercept (Hong Kong) Ltd

$108,744

0.12%

58,152

AMERICAN CENTURY COMPANIES INC

$98,528

0.10%

52,689

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
AMERICAN CENTURY INVESTMENT MANAGEMENT INC	52,689	$98,528	100.0%	Defined

CITIZENS FINANCIAL GROUP INC/RI

$93,500

0.10%

50,000

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
CITIZENS PRIVATE WEALTH, LLC	50,000	$93,500	100.0%	Defined

Virtu Financial LLC

$93,393

0.10%

49,943

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Virtu Americas LLC	49,943	$93,393	100.0%	Defined

HSBC HOLDINGS PLC

$92,469

0.10%

49,449

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
HSBC BANK PLC	49,449	$92,469	100.0%	Defined

DEUTSCHE BANK AG\

$90,728

0.10%

48,518

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
DWS Investments UK Ltd	48,518	$90,728	100.0%	Defined

Caprock Group, LLC

$88,058

0.09%

47,090

Ashton Thomas Private Wealth, LLC

$84,150

0.09%

45,000

Fayez Sarofim & Co

$84,150

0.09%

45,000

WELLS FARGO & COMPANY/MN

$79,040

0.08%

42,268

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
WELLS FARGO BANK N A	42,008	$78,554	99.4%	Defined
WELLS FARGO CLEARING SERVICES, LLC	260	$486	0.6%	Defined

PRICE T ROWE ASSOCIATES INC /MD/

$76,221

0.08%

40,760

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
T. Rowe Price International Ltd	40,760	$76,221	100.0%	Defined

SEI INVESTMENTS CO

$72,262

0.08%

38,643

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
SEI TRUST CO	38,643	$72,262	100.0%	Sole

RHUMBLINE ADVISERS

$68,380

0.07%

36,567

Invesco Ltd.

$65,823

0.07%

35,200

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Invesco Advisers, Inc. joint	6,156	$11,511	17.5%	Defined
Invesco Trust Co joint	19,829	$37,080	56.3%	Defined
Invesco Capital Management LLC	9,215	$17,232	26.2%	Defined

Presidio Capital Management, LLC

$64,821

0.07%

34,664

AXQ CAPITAL, LP

$63,854

0.07%

34,147

CAPTRUST FINANCIAL ADVISORS

$63,580

0.07%

34,000

Squarepoint Ops LLC

$63,105

0.07%

33,746

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Squarepoint Capital LLP	33,746	$63,105	100.0%	Defined

Badgley Phelps Wealth Managers, LLC

$56,100

0.06%

30,000

Catalyst Funds Management Pty Ltd

$49,255

0.05%

26,340

Callan Family Office, LLC

$48,563

0.05%

25,970

CITIGROUP INC

$43,143

0.05%

23,072

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Citigroup Financial Products Inc. joint	23,072	$43,143	100.0%	Defined

MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.

$42,819

0.05%

22,898

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Global X Management CO LLC joint	22,898	$42,819	100.0%	Defined

CITADEL ADVISORS LLC

$37,026

0.04%

19,800

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Citadel Securities GP LLC	19,800	$37,026	100.0%	Defined

Police & Firemen's Retirement System of New Jersey

$35,498

0.04%

18,983

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Mellon Capital	18,983	$35,498	100.0%	Defined

CITADEL ADVISORS LLC

$35,156

0.04%

18,800

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Citadel Securities GP LLC	18,800	$35,156	100.0%	Defined

Engineers Gate Manager LP

$33,622

0.04%

17,980

UBS Group AG

$31,995

0.03%

17,110

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
UBS AG	17,110	$31,995	100.0%	Defined

Vanguard Global Advisers, LLC

$31,055

0.03%

16,607

TD Waterhouse Canada Inc.

$29,920

0.03%

16,000

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
TORONTO DOMINION BANK	16,000	$29,920	100.0%	Defined

NEW YORK STATE COMMON RETIREMENT FUND

$26,180

0.03%

14,000

FNY Investment Advisers, LLC

$26,180

0.03%

14,000

Balyasny Asset Management L.P.

$24,654

0.03%

13,184

Vanguard Capital Wealth Advisors

$24,310

0.03%

13,000

INTECH INVESTMENT MANAGEMENT LLC

$22,172

0.02%

11,857

BNP PARIBAS ARBITRAGE, SA

$21,493

0.02%

11,494

ROYAL BANK OF CANADA

$20,956

0.02%

11,207

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
RBC CMA LTD.	1,565	$2,926	14.0%	Defined
RBC Capital Markets, LLC	9,613	$17,976	85.8%	Defined
Held directly	29	$54	0.3%	Sole

Garde Capital, Inc.

$20,570

0.02%

11,000

BLAIR WILLIAM & CO/IL

$18,700

0.02%

10,000

Rockefeller Capital Management L.P.

$17,578

0.02%

9,400

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
ROCKEFELLER FINANCIAL LLC	9,400	$17,578	100.0%	Defined

GROUP ONE TRADING LLC

$15,328

0.02%

8,197

BFSG, LLC

$12,529

0.01%

6,700

Legal & General Group Plc

$9,058

0.01%

4,844

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Legal & General Investment Management America Inc	4,844	$9,058	100.0%	Defined

Ameritas Investment Partners, Inc.

$8,439

0.01%

4,513

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
EATON VANCE MANAGEMENT	4,513	$8,439	100.0%	Other

Russell Investments Group, Ltd.

$7,435

0.01%

3,976

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Russell Investment Management, LLC	3,976	$7,435	100.0%	Defined

FMR LLC

$6,700

0.01%

3,583

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Fidelity Management & Research Co LLC	3,583	$6,700	100.0%	Defined

OSAIC HOLDINGS, INC.

$5,755

0.01%

3,078

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
OSAIC WEALTH, INC.	3,078	$5,755	100.0%	Defined

Federation des caisses Desjardins du Quebec

$5,610

0.01%

3,000

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Desjardins Securities inc.	3,000	$5,610	100.0%	Defined

Tower Research Capital LLC (TRC)

$5,286

0.01%

2,827

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Latour Trading LLC (Latour)	2,827	$5,286	100.0%	Defined

SIMPLEX TRADING, LLC

$2,038

0.00%

1,090

Sterling Capital Management LLC

$1,724

0.00%

922

GILL CAPITAL PARTNERS, LLC

$467

0.00%

250

Caitong International Asset Management Co., Ltd

$222

0.00%

119

SBI Securities Co., Ltd.

$187

0.00%

100

Allworth Financial LP

$134

0.00%

Optiver Holding B.V.

$74

0.00%

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Optiver VOF	40	$74	100.0%	Defined

Covestor Ltd

$14

0.00%

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Simcah Management LLC	726,895	$2,820,352	100.0%	Defined

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Jane Street Capital, LLC	11,412	$44,278	18.5%	Defined
Jane Street Global Trading, LLC	50,390	$195,513	81.5%	Defined

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Brevan Howard US Investment Management, LP	32,401	$125,715	53.6%	Defined
Brevan Howard (Hong Kong) Ltd	28,100	$109,028	46.4%	Defined

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Hudson Bay Capital UK LLP	29,594	$114,824	100.0%	Defined

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
Thakore Nainoor	22,806	$88,487	100.0%	Defined

This filing is a combination report: the position is filed across the managers below.

Manager	Shares	Value (USD)	% of position	Discretion
National Bank Financial Inc.	300	$1,164	100.0%	Defined

Key facts CIK 1808805 CUSIP 63909J108 13F (30d) 85 filings 84 filers Visit website Investor relations