Kezar Life Sciences Ownership | Who Owns Kezar Life Sciences?

Kezar Life Sciences Ownership Summary

Kezar Life Sciences is owned by 21.27% institutional investors, 10.57% insiders, and 68.16% retail investors. Tang capital management is the largest institutional shareholder, holding 9.85% of KZR shares. International Biotechnology Ord is the top mutual fund, with 4.80% of its assets in Kezar Life Sciences shares.

KZR Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	Kezar Life Sciences	21.27%	10.57%	68.16%
Sector	Healthcare Stocks	232.01%	10.74%	-142.75%
Industry	Biotech Stocks	381.47%	10.55%	-292.02%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Tang capital management	720.00K	9.85%	$2.81M
Bml capital management	720.79K	9.84%	$4.53M
Suvretta capital management	716.76K	9.80%	$2.80M
Stonepine capital management	383.18K	5.24%	$1.49M
Vanguard group	341.40K	4.66%	$2.15M
Nantahala capital management	276.75K	3.78%	$1.74M
Orbimed advisors	192.70K	2.64%	$751.53K
Renaissance	131.28K	1.79%	$825.78K
Peapod lane capital	126.70K	1.73%	$796.94K
Acadian asset management	125.37K	1.71%	$787.00K

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Bml capital management	720.79K	3.92%	$4.53M
Stonepine capital management	383.18K	1.21%	$1.49M
Peapod lane capital	126.70K	0.68%	$796.94K
Qiming u.s. ventures management	82.87K	0.58%	$323.20K
Aldebaran capital	80.63K	0.45%	$507.16K
Nano cap new millennium growth fund l p	25.00K	0.13%	$157.25M
Tang capital management	720.00K	0.11%	$2.81M
Fny investment advisers	50.00K	0.09%	$314.00K
Suvretta capital management	716.76K	0.07%	$2.80M
Nantahala capital management	276.75K	0.06%	$1.74M

Top Buyers

Holder	Shares	% Assets	Change
Nantahala capital management	276.75K	0.06%	276.75K
Stonepine capital management	383.18K	1.21%	213.32K
Aldebaran capital	80.63K	0.45%	80.63K
Vanguard group	341.40K	-	73.24K
Bank of america corp /de/	105.39K	-	72.14K

Top Sellers

Holder	Shares	% Assets	Change
Blackrock	830.37K	-	-3.79M
Acuitas investments	-	-	-1.23M
Avidity partners management lp	-	-	-502.60K
Schroder investment management group	-	-	-350.39K
Nuveen asset management	-	-	-314.76K

New Positions

Holder	Shares	% Assets	Change	Value
Nantahala capital management	276.75K	0.06%	276.75K	$1.74M
Aldebaran capital	80.63K	0.45%	80.63K	$507.16K
Mackenzie financial	58.71K	0.00%	58.71K	$35.23K
Fny investment advisers	50.00K	0.09%	50.00K	$314.00K
Nano cap new millennium growth fund l p	25.00K	0.13%	25.00K	$157.25M

Sold Out

Holder	Change
Nelson, van denburg & campbell wealth management group	-13.00
Nisa investment advisors	-50.00
Citigroup	-51.00
Simplex trading	-400.00
Capital advisors	-1.61K

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Dec 31, 2025	14	-64.10%	1,557,500	-62.97%	21	0.64%	7	-46.15%	4	-42.86%
Sep 30, 2025	11	-70.27%	1,385,694	-68.97%	18	0.51%	5	-58.33%	2	-75.00%
Jun 30, 2025	38	-7.32%	4,475,078	3.39%	61	1.74%	13	-	8	-46.67%
Mar 31, 2025	4	-90.91%	478,385	-88.55%	6	19.94%	-	-100.00%	1	-96.97%
Dec 31, 2024	1	-98.28%	3,686	-99.99%	-	0.02%	-	-100.00%	1	-95.45%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
International Biotechnology Ord	350.39K	4.80%	-
Vanguard Total Stock Mkt Idx Inv	223.23K	3.05%	-
Biotech Growth Ord	192.70K	2.63%	-
M&G (ACS) Granahan US Sm Cp Gr GBPZ1AAcc	693.06K	0.95%	-100.25K
Vanguard Institutional Extnd Mkt Idx Tr	67.30K	0.92%	-
Bridgeway Ultra-Small Company	51.64K	0.71%	10.64K
Vifag 2002 SICAV	45.00K	0.62%	-
Fidelity Extended Market Index	34.78K	0.48%	1.67K
NT Ext Equity Mkt Idx Fd - DC - NL - T2	33.98K	0.47%	104.00
Fidelity Nasdaq Composite Index	32.48K	0.45%	-

Recent Insider Transactions

Date	Name	Role	Activity	Value
Jul 02, 2025	Chiang Pichi Luo	SVP, Corporate Controller	Sell	$1.13K
Jul 02, 2025	Schiller Mark C.	Chief Operating Officer	Sell	$2.40K
Jul 02, 2024	Schiller Mark C.	Chief Legal Officer	Sell	$3.88K
Feb 06, 2023	Morningside Venture Investments Ltd	-	Sell	$275.32K
Feb 03, 2023	Morningside Venture Investments Ltd	-	Sell	$178.65K

Insider Transactions Trends

Date	Buy	Sell
2025 Q3	-	2
2025 Q2	-	-
2025 Q1	-	-
2024 Q3	-	1
2024 Q2	-	-

KZR Ownership FAQ

Who Owns Kezar Life Sciences?

Kezar Life Sciences shareholders are primarily institutional investors at 21.27%, followed by 10.57% insiders and 68.16% retail investors. The average institutional ownership in Kezar Life Sciences's industry, Biotech Stocks , is 381.47%, which Kezar Life Sciences falls below.

Who owns the most shares of Kezar Life Sciences?

Kezar Life Sciences’s largest shareholders are Tang capital management (720K shares, 9.85%), Bml capital management (720.79K shares, 9.84%), and Suvretta capital management (716.76K shares, 9.80%). Together, they hold 29.49% of Kezar Life Sciences’s total shares outstanding.

Does Blackrock own Kezar Life Sciences?

BlackRock is not among the top 10 institutional shareholders of Kezar Life Sciences.

Who is Kezar Life Sciences’s biggest shareholder by percentage of total assets invested?

Bml capital management is Kezar Life Sciences’s biggest shareholder by percentage of total assets invested, with 3.92% of its assets in 720.79K Kezar Life Sciences shares, valued at 4.53M$.

Who is the top mutual fund holder of Kezar Life Sciences shares?

International Biotechnology Ord is the top mutual fund holder of Kezar Life Sciences shares, with 4.80% of its total shares outstanding invested in 350.39K Kezar Life Sciences shares.

Try Tickergate Pro Free

Customize Everything. 100% Flexibility. Fast and Easy to Use (No code or Excel Needed)

Customize your own personal stocks lists, views and charts
Choose from hundreds of fields, up to 15 years of history
Conduct deep comparison analysis

Discover trending investment themes
Find your next best investment
Research stocks using tools