Nautilus Bio Ownership | Who Owns Nautilus Bio?

Nautilus Bio Ownership Summary

Nautilus Bio is owned by 50.88% institutional investors, 33.47% insiders, and 15.66% retail investors. Ah capital management is the largest institutional shareholder, holding 14.07% of NAUT shares. Vanguard Total Stock Mkt Idx Inv is the top mutual fund, with 1.38% of its assets in Nautilus Bio shares.

NAUT Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	Nautilus Bio	50.88%	33.47%	15.66%
Sector	Healthcare Stocks	57.39%	9.93%	32.68%
Industry	Biotech Stocks	68.48%	9.65%	21.87%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Ah capital management	17.65M	14.07%	$29.66M
Perceptive advisors	12.59M	10.04%	$21.16M
Cercano management	7.17M	5.72%	$12.05M
Madrona venture group	6.02M	4.80%	$10.12M
Blackrock	3.83M	3.06%	$8.96M
Blackrock funding, inc. /de	3.07M	2.45%	$5.16M
Vanguard group	2.78M	2.21%	$4.67M
Comprehensive financial management	2.21M	1.76%	$3.71M
Bain capital life sciences investors	1.76M	1.40%	$2.96M
Amazon com	1.46M	1.16%	$2.45M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Madrona venture group	6.02M	18.80%	$10.12M
Ah capital management	17.65M	3.98%	$29.66M
Perceptive advisors	12.59M	0.58%	$21.16M
Bain capital life sciences investors	1.76M	0.35%	$2.96M
Archpoint investors	606.13K	0.33%	$1.02M
Tikvah management	726.89K	0.33%	$1.22M
Cercano management	7.17M	0.31%	$12.05M
Hillman	200.00K	0.14%	$336.00K
Comprehensive financial management	2.21M	0.10%	$3.71M
Amazon com	1.46M	0.09%	$2.45M

Top Buyers

Holder	Shares	% Assets	Change
Jpmorgan chase	145.94K	-	110.33K
Wexford capital lp	325.24K	0.09%	96.89K
Blackrock	3.83M	0.00%	95.77K
Renaissance	250.22K	0.00%	95.52K
Dimensional fund advisors lp	770.35K	0.00%	78.37K

Top Sellers

Holder	Shares	% Assets	Change
Blackrock funding, inc. /de	3.07M	0.00%	-496.51K
Bain capital life sciences investors	1.76M	0.35%	-241.00K
Alyeska investment group	253.47K	0.00%	-187.55K
Clearline capital lp	-	-	-144.19K
Morgan stanley	321.56K	0.00%	-85.03K

New Positions

Holder	Shares	% Assets	Change	Value
Susquehanna group, llp	39.00K	-	39.00K	$65.53K
Millennium management	37.70K	-	37.70K	$63.34K
Squarepoint ops	26.32K	-	26.32K	$44.22K
Intech investment management	20.95K	0.00%	20.95K	$35.20K
Cubist systematic strategies	20.26K	0.00%	20.26K	$34.03K

Sold Out

Holder	Change
Capital performance advisors llp	-7.00
Russell investments group	-167.00
Daiwa securities group	-362.00
Mirae asset global investments	-4.54K
Xtx topco	-11.59K

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Dec 31, 2024	85	2.41%	63,827,969	-0.56%	50	1.94%	40	29.03%	16	33.33%
Sep 30, 2024	83	7.79%	64,190,100	0.30%	51	1.96%	31	-	12	-36.84%
Jun 30, 2024	76	5.56%	63,999,806	1.20%	51	2.00%	31	47.62%	18	-25.00%
Mar 31, 2024	72	-6.49%	63,240,448	-0.29%	50	1.96%	21	-36.36%	24	9.09%
Dec 31, 2023	77	-	63,425,565	40.69%	50	3.88%	33	6.45%	22	83.33%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
Vanguard Total Stock Mkt Idx Inv	1.75M	1.38%	-
iShares Russell 2000 ETF	1.23M	0.97%	-10.62K
Vanguard Institutional Extnd Mkt Idx Tr	670.13K	0.53%	-
Fidelity Small Cap Index	481.80K	0.38%	-9.02K
iShares Biotechnology ETF	420.49K	0.33%	-
iShares Russell 2000 Value ETF	417.56K	0.33%	-
Fidelity Extended Market Index	262.16K	0.21%	-1.67K
State St Russell Sm/Mid Cp® Indx NL Cl C	251.64K	0.20%	-
State St Russell Sm/Mid Cp® Indx SL Cl I	251.64K	0.20%	-
Vanguard Russell 2000 ETF	222.89K	0.18%	5.21K

Recent Insider Transactions

Date	Name	Role	Activity	Value
Mar 19, 2025	Patel Sujal M	CEO, President, and Secretary	Buy	$53.03K
Mar 20, 2025	Patel Sujal M	CEO, President, and Secretary	Buy	$23.89K
Sep 23, 2024	Godwin Mary E.	Senior VP, Operations	Sell	$134.74K
Sep 17, 2024	Godwin Mary E.	Senior VP, Operations	Sell	$99.87K
Mar 08, 2024	Patel Sujal M	CEO, President, and Secretary	Buy	$7.26K

Insider Transactions Trends

Date	Buy	Sell
2025 Q1	2	-
2024 Q3	-	2
2024 Q2	-	-
2024 Q1	5	-
2023 Q2	-	-

NAUT Ownership FAQ

Who Owns Nautilus Bio?

Nautilus Bio shareholders are primarily institutional investors at 50.88%, followed by 33.47% insiders and 15.65% retail investors. The average institutional ownership in Nautilus Bio's industry, Biotech Stocks , is 68.48%, which Nautilus Bio falls below.

Who owns the most shares of Nautilus Bio?

Nautilus Bio’s largest shareholders are Ah capital management (17.65M shares, 14.07%), Perceptive advisors (12.59M shares, 10.04%), and Cercano management (7.17M shares, 5.72%). Together, they hold 29.83% of Nautilus Bio’s total shares outstanding.

Does Blackrock own Nautilus Bio?

Yes, BlackRock owns 3.06% of Nautilus Bio, totaling 3.83M shares as of Jun 2024. This represents 0.00% of BlackRock's total assets, with a market value of 8.96M$. In the last quarter, BlackRock increased its holdings by 95.77K shares, a 2.57% change.

Who is Nautilus Bio’s biggest shareholder by percentage of total assets invested?

Madrona venture group is Nautilus Bio’s biggest shareholder by percentage of total assets invested, with 18.80% of its assets in 6.02M Nautilus Bio shares, valued at 10.12M$.

Who is the top mutual fund holder of Nautilus Bio shares?

Vanguard Total Stock Mkt Idx Inv is the top mutual fund holder of Nautilus Bio shares, with 1.38% of its total shares outstanding invested in 1.75M Nautilus Bio shares.

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