Kezar Life Sciences Ownership | Who Owns Kezar Life Sciences?

Kezar Life Sciences Ownership Summary

Kezar Life Sciences is owned by 61.21% institutional investors, 10.57% insiders, and 28.22% retail investors. Bml capital management is the largest institutional shareholder, holding 9.86% 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	61.21%	10.57%	28.22%
Sector	Healthcare Stocks	492.67%	11.09%	-403.76%
Industry	Biotech Stocks	295.31%	11.22%	-206.53%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Bml capital management	720.79K	9.86%	$2.81M
Tang capital management	720.00K	9.85%	$2.81M
Suvretta capital management	716.76K	9.80%	$2.80M
Stonepine capital management	383.18K	5.24%	$1.49M
Vanguard group	268.17K	3.67%	$1.05M
Orbimed advisors	192.70K	2.64%	$751.53K
Acadian asset management	133.53K	1.83%	$519.00K
Peapod lane capital	125.77K	1.72%	$490.54K
Adar1 capital management	124.97K	1.71%	$487.37K
Renaissance	115.89K	1.59%	$451.95K

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Bml capital management	720.79K	2.57%	$2.81M
Stonepine capital management	383.18K	1.21%	$1.49M
Qiming u.s. ventures management	82.87K	0.58%	$323.20K
Peapod lane capital	125.77K	0.44%	$490.54K
Tang capital management	720.00K	0.11%	$2.81M
Suvretta capital management	716.76K	0.07%	$2.80M
Adar1 capital management	124.97K	0.05%	$487.37K
Ikarian capital	106.90K	0.04%	$416.91K
Shay capital	67.66K	0.02%	$263.88K
Orbimed advisors	192.70K	0.02%	$751.53K

Top Buyers

Holder	Shares	% Assets	Change
Stonepine capital management	383.18K	1.21%	213.32K
Bml capital management	720.79K	2.57%	85.60K
Bank of america corp /de/	105.39K	-	72.14K
Mackenzie financial	58.71K	0.00%	58.71K
Price t rowe associates inc /md/	83.60K	-	35.93K

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
Mackenzie financial	58.71K	0.00%	58.71K	$35.23K
Landscape capital management	13.04K	0.00%	13.04K	$50.86K
Russell investments group	6.43K	-	6.43K	$3.86K
Macquarie group	3.63K	-	3.63K	$2.18K
Barclays	1.00	-	1.00	$4.00

Sold Out

Holder	Change
Nelson, van denburg & campbell wealth management group	-13.00
Nisa investment advisors	-50.00
Simplex trading	-400.00
Capital advisors	-1.61K
Amalgamated bank	-1.63K

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
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%
Sep 30, 2024	58	-25.64%	37,658,818	-4.33%	5	0.18%	18	-52.63%	22	-4.35%
Jun 30, 2024	78	-9.30%	39,364,790	-12.05%	54	1.42%	38	-	23	-17.86%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
International Biotechnology Ord	350.39K	4.80%	-
Biotech Growth Ord	192.70K	2.63%	-
Vanguard Total Stock Mkt Idx Inv	185.89K	2.54%	-4.06K
M&G (ACS) Granahan US Sm Cp Gr GBPZ1AAcc	693.06K	0.95%	-100.25K
Vanguard Institutional Extnd Mkt Idx Tr	52.53K	0.72%	-23.94K
Vifag 2002 SICAV	45.00K	0.62%	-
Bridgeway Ultra-Small Company	41.00K	0.56%	-
NT Ext Equity Mkt Idx Fd - DC - NL - T2	33.98K	0.47%	104.00
Fidelity Extended Market Index	33.64K	0.46%	-277.00
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 61.21%, followed by 10.57% insiders and 28.22% retail investors. The average institutional ownership in Kezar Life Sciences's industry, Biotech Stocks , is 295.31%, which Kezar Life Sciences falls below.

Who owns the most shares of Kezar Life Sciences?

Kezar Life Sciences’s largest shareholders are Bml capital management (720.79K shares, 9.86%), Tang capital management (720K shares, 9.85%), and Suvretta capital management (716.76K shares, 9.80%). Together, they hold 29.51% 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 2.57% of its assets in 720.79K Kezar Life Sciences shares, valued at 2.81M$.

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.

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