Nautilus Bio Ownership | Who Owns Nautilus Bio?

Nautilus Bio Ownership Summary

Nautilus Bio is owned by 0.92% institutional investors, 33.32% insiders, and 65.76% retail investors. Ah capital management is the largest institutional shareholder, holding 14.13% 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	0.92%	33.32%	65.76%
Sector	Healthcare Stocks	279.17%	10.51%	-189.68%
Industry	Biotech Stocks	63.95%	10.67%	25.38%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Ah capital management	17.65M	14.13%	$15.20M
Perceptive advisors	12.59M	10.08%	$10.84M
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
Amazon com	1.46M	1.16%	$2.45M
Geode capital management	1.14M	0.91%	$1.92M

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	2.17%	$15.20M
Perceptive advisors	12.59M	0.38%	$10.84M
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
Bain capital life sciences investors	1.07M	0.14%	$923.35K
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
Bain capital life sciences investors	1.07M	0.14%	-686.58K
Blackrock funding, inc. /de	3.07M	0.00%	-496.51K
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
Squarepoint ops	26.32K	-	26.32K	$44.22K
Intech investment management	20.95K	0.00%	20.95K	$35.20K
Acadian asset management	10.86K	0.00%	10.86K	$18.00K
Bnp paribas arbitrage, snc	7.25K	-	7.25K	$12.18K

Sold Out

Holder	Change
Ifp advisors	-5.00
Capital performance advisors llp	-7.00
Russell investments group	-167.00
Cibc private wealth group	-200.00
Ronald blue trust	-208.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Mar 31, 2025	2	-97.67%	1,144,278	-98.21%	-	0.04%	-	-100.00%	2	-88.24%
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%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
Vanguard Total Stock Mkt Idx Inv	1.75M	1.38%	-
iShares Russell 2000 ETF	1.18M	0.94%	579.00
Vanguard Institutional Extnd Mkt Idx Tr	670.13K	0.53%	-
Fidelity Small Cap Index	481.80K	0.38%	-
iShares Biotechnology ETF	420.49K	0.33%	-
iShares Russell 2000 Value ETF	410.36K	0.33%	-
Fidelity Extended Market Index	260.84K	0.21%	-1.32K
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	241.50K	0.19%	13.49K

Recent Insider Transactions

Date	Name	Role	Activity	Value
May 29, 2025	Mowry Anna	CFO and Treasurer	Buy	$11.49K
May 12, 2025	Mallick Parag	Chief Scientist	Buy	$1.10K
May 08, 2025	Mallick Parag	Chief Scientist	Buy	$8.79K
Mar 20, 2025	Patel Sujal M	CEO, President, and Secretary	Buy	$23.89K
Mar 19, 2025	Patel Sujal M	CEO, President, and Secretary	Buy	$53.03K

Insider Transactions Trends

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

NAUT Ownership FAQ

Who Owns Nautilus Bio?

Nautilus Bio shareholders are primarily institutional investors at 0.92%, followed by 33.32% insiders and 65.76% retail investors. The average institutional ownership in Nautilus Bio's industry, Biotech Stocks , is 63.95%, 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, 14.13%), Perceptive advisors (12.59M shares, 10.08%), and Cercano management (7.17M shares, 5.72%). Together, they hold 29.93% 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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