Kezar Life Sciences Ownership | Who Owns Kezar Life Sciences?

Kezar Life Sciences Ownership Summary

Kezar Life Sciences is owned by 6.55% institutional investors, 11.57% insiders, and 81.88% 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	6.55%	11.57%	81.88%
Sector	Healthcare Stocks	279.42%	10.64%	-190.05%
Industry	Biotech Stocks	64.05%	10.69%	25.27%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Tang capital management	720.00K	9.85%	$3.30M
Suvretta capital management	716.76K	9.80%	$3.28M
Bml capital management	635.18K	8.69%	$2.91M
Avidity partners management lp	502.60K	6.87%	$2.30M
Orbimed advisors	192.70K	2.64%	$882.57K
Stonepine capital management	169.86K	2.32%	$777.95K
Adar1 capital management	147.40K	2.02%	$675.11K
Acadian asset management	133.53K	1.83%	$610.00K
Ikarian capital	106.90K	1.46%	$489.61K
Blackrock funding, inc. /de	97.67K	1.34%	$447.33K

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Bml capital management	635.18K	2.20%	$2.91M
Stonepine capital management	169.86K	0.76%	$777.95K
Avidity partners management lp	502.60K	0.46%	$2.30M
Tang capital management	720.00K	0.17%	$3.30M
Adar1 capital management	147.40K	0.10%	$675.11K
Suvretta capital management	716.76K	0.10%	$3.28M
Ikarian capital	106.90K	0.09%	$489.61K
Sphera funds management	58.54K	0.06%	$268.11K
Shay capital	67.66K	0.04%	$309.89K
Orbimed advisors	192.70K	0.02%	$882.57K

Top Buyers

Holder	Shares	% Assets	Change
Bml capital management	635.18K	2.20%	227.04K
Bank of america corp /de/	105.39K	-	72.14K
Stonepine capital management	169.86K	0.76%	69.86K
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
Vanguard group	-	-	-2.74M
Two sigma advisers, lp	-	-	-1.40M
Renaissance	-	-	-1.30M
Acuitas investments	-	-	-1.23M

New Positions

Holder	Shares	% Assets	Change	Value
Mackenzie financial	58.71K	0.00%	58.71K	$35.23K
Russell investments group	6.43K	-	6.43K	$3.86K
Macquarie group	3.63K	-	3.63K	$2.18K

Sold Out

Holder	Change
Nelson, van denburg & campbell wealth management group	-13.00
Nisa investment advisors	-50.00
Ubs group	-398.00
Simplex trading	-400.00
Citigroup	-518.00

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
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%
Mar 31, 2024	86	2.38%	44,760,196	-9.36%	61	1.34%	38	-5.00%	28	7.69%

Top Mutual Funds Shareholders

Holder	Shares	% Holding	Change
International Biotechnology Ord	350.39K	4.80%	-
Biotech Growth Ord	192.70K	2.64%	-
Vanguard Total Stock Mkt Idx Inv	189.96K	2.60%	-
Vanguard Institutional Extnd Mkt Idx Tr	76.47K	1.05%	-
M&G (ACS) Granahan US Sm Cp Gr GBPZ1AAcc	693.06K	0.95%	-100.25K
Vifag 2002 SICAV	45.00K	0.62%	-
Bridgeway Ultra-Small Company	41.00K	0.56%	41.00K
NT Ext Equity Mkt Idx Fd - DC - NL - T2	33.98K	0.47%	104.00
Fidelity Extended Market Index	33.92K	0.46%	-89.00
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 6.55%, followed by 11.57% insiders and 81.88% retail investors. The average institutional ownership in Kezar Life Sciences's industry, Biotech Stocks , is 64.05%, 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%), Suvretta capital management (716.76K shares, 9.80%), and Bml capital management (635.18K shares, 8.69%). Together, they hold 28.34% 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 2.20% of its assets in 635.18K Kezar Life Sciences shares, valued at 2.91M$.

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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