Puma Bio Ownership | Who Owns Puma Bio?

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Puma Bio Ownership Summary

Puma Bio is owned by 65.95% institutional investors, 15.43% insiders, and 18.61% retail investors. Blackrock funding, inc. /de is the largest institutional shareholder, holding 7.72% of PBYI shares. Vanguard Total Stock Mkt Idx Inv is the top mutual fund, with 2.58% of its assets in Puma Bio shares.

PBYI Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	Puma Bio	65.95%	15.43%	18.61%
Sector	Healthcare Stocks	488.17%	11.08%	-399.26%
Industry	Biotech Stocks	306.59%	11.10%	-217.69%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Blackrock funding, inc. /de	3.84M	7.72%	$13.16M
Vanguard group	3.64M	7.43%	$11.11M
Blackrock	3.57M	7.41%	$11.65M
Frazier life sciences management	3.06M	6.36%	$9.98M
Acadian asset management	2.01M	4.04%	$6.88M
Renaissance	1.76M	3.58%	$5.35M
Millennium management	1.39M	2.79%	$4.10M
American century companies	1.34M	2.70%	$4.60M
Athyrium capital management, lp	1.26M	2.61%	$4.10M
Kennedy capital management	987.00K	1.99%	$3.39M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Athyrium capital management, lp	1.26M	12.21%	$4.10M
Frazier life sciences management	3.06M	0.47%	$9.98M
Globeflex capital l p	452.61K	0.13%	$1.55M
Kennedy capital management	987.00K	0.08%	$3.39M
Eversept partners, lp	240.69K	0.08%	$825.56K
C2c wealth management	20.62K	0.06%	$70.73K
Virtus etf advisers	13.82K	0.06%	$47.39K
Kapitalo investimentos ltda	70.27K	0.05%	$241.02K
Williams & novak	12.52K	0.04%	$42.94K
Tang capital management	200.00K	0.03%	$686.00K

Top Buyers

Holder	Shares	% Assets	Change
Blackrock	3.57M	0.00%	1.96M
Lsv asset management	535.74K	0.00%	482.34K
State street	514.04K	0.00%	341.56K
Frazier life sciences management	3.06M	0.47%	246.26K
American century companies	1.34M	0.00%	192.62K

Top Sellers

Holder	Shares	% Assets	Change
Camber capital management lp	-	-	-1.65M
Great point partners	-	-	-1.49M
Millennium management	1.39M	0.00%	-508.93K
Morgan stanley	323.73K	0.00%	-293.88K
Affinity asset advisors	-	-	-250.00K

New Positions

Holder	Shares	% Assets	Change	Value
Strs ohio	159.30K	0.00%	159.30K	$519.32K
Evergreen capital management	96.00K	0.01%	96.00K	$329.28K
Kapitalo investimentos ltda	70.27K	0.05%	70.27K	$241.02K
Empowered funds	38.29K	0.00%	38.29K	$131.34K
Ethic	15.17K	0.00%	15.17K	$50.51K

Sold Out

Holder	Change
Concord wealth partners	-6.00
Capital performance advisors llp	-15.00
Richards, merrill & peterson	-40.00
Coldstream capital management	-304.00
Jaffetilchin investment partners	-400.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Jun 30, 2025	123	4.24%	32,779,375	7.78%	65	1.75%	63	-10.00%	34	36.00%
Mar 31, 2025	4	-96.46%	5,660,761	-80.62%	11	0.32%	-	-100.00%	3	-85.00%
Dec 31, 2024	35	-66.35%	13,117,113	-55.90%	26	0.73%	19	-64.15%	7	-70.83%
Sep 30, 2024	104	2.97%	29,741,440	-3.95%	60	1.47%	53	-8.62%	24	-7.69%
Jun 30, 2024	101	-	30,964,358	4.10%	64	1.65%	58	1.75%	26	-7.14%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
Vanguard Total Stock Mkt Idx Inv	1.29M	2.58%	-28.37K
Vanguard US Total Market Shares ETF	1.27M	2.56%	-
Avantis US Small Cap Value ETF	1.18M	2.38%	1.30K
iShares Russell 2000 ETF	1.03M	2.08%	-19.64K
Vanguard Explorer Inv	777.39K	1.57%	-
Kennedy Micro Cap	650.14K	1.31%	46.15K
Vanguard Strategic Equity Inv	540.43K	1.09%	-
Fidelity Small Cap Index	427.26K	0.86%	-7.37K
Vanguard Institutional Extnd Mkt Idx Tr	402.46K	0.81%	-183.39K
Janus Henderson Small/Md Cp Gr Alpha ETF	368.14K	0.74%	-

Recent Insider Transactions

Date	Name	Role	Activity	Value
Jul 18, 2025	Cesano Alessandra	-	Sell	$90.91K
Jul 08, 2025	NOUGUES MAXIMO F	Chief Financial Officer	Sell	$19.74K
Jul 09, 2025	NOUGUES MAXIMO F	Chief Financial Officer	Sell	$13.91K
Jul 08, 2025	HUNT DOUGLAS M	See Remarks	Sell	$15.45K
Jul 09, 2025	HUNT DOUGLAS M	See Remarks	Sell	$12.17K

Insider Transactions Trends

Date	Buy	Sell
2025 Q3	-	6
2025 Q2	-	6
2025 Q1	-	4
2024 Q3	-	9
2024 Q2	-	5

PBYI Ownership FAQ

Who Owns Puma Bio?

Puma Bio shareholders are primarily institutional investors at 65.95%, followed by 15.43% insiders and 18.62% retail investors. The average institutional ownership in Puma Bio's industry, Biotech Stocks , is 306.59%, which Puma Bio falls below.

Who owns the most shares of Puma Bio?

Puma Bio’s largest shareholders are Blackrock funding, inc. /de (3.84M shares, 7.72%), Vanguard group (3.64M shares, 7.43%), and Blackrock (3.57M shares, 7.41%). Together, they hold 22.57% of Puma Bio’s total shares outstanding.

Does Blackrock own Puma Bio?

Yes, BlackRock owns 7.41% of Puma Bio, totaling 3.57M shares as of Jun 2024. This represents 0.00% of BlackRock's total assets, with a market value of 11.65M$. In the last quarter, BlackRock increased its holdings by 1.96M shares, a 120.88% change.

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

Athyrium capital management, lp is Puma Bio’s biggest shareholder by percentage of total assets invested, with 12.21% of its assets in 1.26M Puma Bio shares, valued at 4.1M$.

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

Vanguard Total Stock Mkt Idx Inv is the top mutual fund holder of Puma Bio shares, with 2.58% of its total shares outstanding invested in 1.29M Puma Bio shares.

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