Nautilus Biotechnology NAUT Institutional Ownership

NASDAQ NAUT

$1.12 +0.19 (+20.70%)

As of: Sep 9, 2026 · 3:59 PM EDT

Institutions by Trading Activity

94 Institutions

Increased 60 63.8%

Unchanged 22 23.4%

Reduced 12 12.8%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

39.54%

▼-3.37 pp QoQ

Shares Held by Institutions

50.27Mn

of 127.14Mn outstanding

▼-2.80% QoQ

Shares Outstanding

127.14Mn

76.87Mn held outside 13F filers

Institutional Investors

filed 13F for Jun 2026

▲+13 vs prior quarter

Net Shares Added (QoQ)

-1.45Mn

distributed since last quarter

Value of Holdings

$45.24Mn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Quarter ending 30 Jun, 2026

Nautilus Biotechnology, Inc. (NASDAQ:NAUT) appears in 94 institutional 13F filings for the quarter ending June 2026.

These investors collectively held 39.5% of Nautilus Biotechnology's outstanding shares in June 2026, down from 42.9% in March 2026.
They decreased total shares held in Nautilus Biotechnology by -2.8% from the prior quarter, while the number of investors in NAUT increased 38.24% year over year.
Of these 94 holders, 60 added to their stakes in Nautilus Biotechnology, 12 trimmed positions, and 22 made no changes.
Combined, these investors held 50.27Mn shares in NAUT for June 2026, down by 1.45Mn shares quarter on quarter, and down 9.18Mn shares year over year.
As of June 30, 2026, PERCEPTIVE ADVISORS LLC held the largest stake in Nautilus Biotechnology with 11.63Mn shares, accounting for 9.15% of total shares outstanding.
Top purchasers of NAUT stock for the quarter ending June 2026 included BlackRock, Inc. (2.5Mn), CITADEL ADVISORS LLC (1.9Mn), SUSQUEHANNA INTERNATIONAL GROUP, LLP (890.95K), GEODE CAPITAL MANAGEMENT, LLC (662.01K), Barclays Plc (652.0K).
The biggest sellers of Nautilus Biotechnology for the quarter ending June 2026 included a16z Capital Management, L.L.C. (8.59Mn), Clearstead Advisors, LLC (1.44Mn), MILLENNIUM MANAGEMENT LLC (1.08Mn), PERCEPTIVE ADVISORS LLC (960.0K), Goldman Sachs Group Inc (138.02K).
According to Business Quant data, leading holders of NAUT for June 2026 are PERCEPTIVE ADVISORS LLC (11.63Mn), a16z Capital Management, L.L.C. (9.06Mn), Cercano Management LLC (7.17Mn), BlackRock, Inc. (2.69Mn), VANGUARD CAPITAL MANAGEMENT LLC (2.55Mn), Comprehensive Financial Management LLC (2.21Mn), CITADEL ADVISORS LLC (1.9Mn), GEODE CAPITAL MANAGEMENT, LLC (1.27Mn), ACADIAN ASSET MANAGEMENT LLC (1.06Mn), Clearstead Advisors, LLC (892.79K).

Form 13F Holdings

94 Institutional Holders

Report period 30 Jun, 2026

Total shares held 50.27Mn

Of outstanding 39.54%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	PERCEPTIVE ADVISORS LLC	0001224962	11,634,211	9.15%	▼960,000	-7.62%	$21.76Mn
2	a16z Capital Management, L.L.C.	0001540358	9,063,054	7.13%	▼8,590,863	-48.66%	$16.95Mn
3	Cercano Management LLC	0001936416	7,172,985	5.64%	0	0.00%	$13.41Mn
4	BlackRock, Inc.	0002012383	2,687,226	2.11%	▲2,499,555	+1,331.88%	$5.03Mn
5	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	2,549,979	2.01%	▲4,382	+0.17%	$4.77Mn
6	Comprehensive Financial Management LLC	0001799802	2,207,619	1.74%	0	0.00%	$4.13Mn
7	CITADEL ADVISORS LLC	0001423053	1,896,192	1.49%	▲1,896,192	0.00%	$3.55Mn
8	GEODE CAPITAL MANAGEMENT, LLC	0001214717	1,265,535	1.00%	▲662,011	+109.69%	$2.37Mn
9	ACADIAN ASSET MANAGEMENT LLC	0000916542	1,055,461	0.83%	▲314,215	+42.39%	$1.97K
10	Clearstead Advisors, LLC	0000842775	892,787	0.70%	▼1,436,997	-61.68%	$1.67Mn
11	SUSQUEHANNA INTERNATIONAL GROUP, LLP	0001446194	890,949	0.70%	▲890,949	0.00%	$1.67Mn
12	SENTINEL TRUST CO LBA	0001114739	750,000	0.59%	0	0.00%	$1.40K
13	Barclays Plc	0000312069	725,321	0.57%	▲651,996	+889.19%	$1.36Mn
14	RENAISSANCE TECHNOLOGIES LLC	0001037389	690,514	0.54%	▲424,814	+159.88%	$1.29Mn
15	Jpmorgan Chase & Co	0000019617	614,177	0.48%	▲614,177	0.00%	$1.10Mn
16	State Street Corp	0000093751	559,508	0.44%	▲343,238	+158.71%	$1.05Mn
17	DIMENSIONAL FUND ADVISORS LP	0000354204	475,844	0.37%	▲146,721	+44.58%	$889.25K
18	Northern Trust Corp	0000073124	381,234	0.30%	▲274,223	+256.26%	$712.91K
19	HRT FINANCIAL LP	0001475597	361,073	0.28%	▲295,819	+453.33%	$675
20	VANGUARD FIDUCIARY TRUST CO	0000933478	353,093	0.28%	▲47,567	+15.57%	$660.28K

Showing 1 to 20 of 94 holders