Kezar Life Sciences, Inc. (KZR) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

7,337,908Shares Outstanding

1,438,647Shares held by institutions

$9,092,249Value of institutional holdings

59.78%Institutional ownership %

17.35%Shares Changed QoQ

42No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

The institutional landscape for Kezar Life Sciences, Inc. (NASDAQ:KZR) includes 42 filers as of the latest reporting cycle ending December 2025.

These investors collectively held 59.8% of the company's total shares outstanding in December 2025, up from 57.3% in September 2025.
On a quarter-over-quarter basis, institutional holdings shifted by 17.35%, with a year-over-year a decrease of 6.67% in the count of filers.
The latest 13F cycle for Kezar Life Sciences reveals that of 42 total investors, 22 funds grew their exposure, whereas 15 reduced theirs and 5 made no changes.
Collectively, institutional investors increased their stake in Kezar Life Sciences to 4.39Mn shares as of December 2025, a change that is up by 648.42K shares quarter on quarter and up 181.70K shares year over year.
BML Capital Management, LLC's holding of 720.79K shares as of December 31, 2025 makes it the primary institutional investor in Kezar Life Sciences, owning 9.82% of the stock.
Among the most significant buyers of Kezar Life Sciences during December 2025 were Nantahala Capital Management, LLC (276.75K), Affinity Asset Advisors, LLC (229.08K), Rangeley Capital, LLC (85.93K), Aldebaran Capital, LLC (80.63K), VANGUARD GROUP INC (73.24K).
Leading sellers of Kezar Life Sciences stock in December 2025 included Stonepine Capital Management, LLC (227.00K), TANG CAPITAL MANAGEMENT LLC (55.69K), Shay Capital LLC (33.96K), TWO SIGMA INVESTMENTS, LP (12.37K), FMR LLC (8.52K).
The top 10 institutional holders of Kezar Life Sciences for the quarter ending December 2025 included BML Capital Management, LLC (720.79K), SUVRETTA CAPITAL MANAGEMENT, LLC (716.76K), TANG CAPITAL MANAGEMENT LLC (664.31K), VANGUARD GROUP INC (341.40K), Nantahala Capital Management, LLC (276.75K), Affinity Asset Advisors, LLC (229.08K), Stonepine Capital Management, LLC (156.18K), RENAISSANCE TECHNOLOGIES LLC (131.28K), Peapod Lane Capital LLC (126.70K), ACADIAN ASSET MANAGEMENT LLC (125.37K).

42 Institutional Holders

1,438,647 Total Shares Held

Rows:

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Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
BML Capital Management, LLC	31 Dec, 2025	720,787	0	0.00%	$4,533,750.00
SUVRETTA CAPITAL MANAGEMENT, LLC	31 Dec, 2025	716,759	0	0.00%	$4,508,414.00
TANG CAPITAL MANAGEMENT LLC	31 Dec, 2025	664,314	-55,686	-7.73%	$4,178,535.00
VANGUARD GROUP INC	31 Dec, 2025	341,404	73,238	27.31%	$2,147,431.00
Nantahala Capital Management, LLC	31 Dec, 2025	276,754	276,754	0.00%	$1,740,783.00
Affinity Asset Advisors, LLC	31 Dec, 2025	229,076	229,076	0.00%	$1,440,888.00
Stonepine Capital Management, LLC	31 Dec, 2025	156,179	-227,003	-59.24%	$982,366.00
RENAISSANCE TECHNOLOGIES LLC	31 Dec, 2025	131,285	15,400	13.29%	$825,783.00
Peapod Lane Capital LLC	31 Dec, 2025	126,699	926	0.74%	$796,937.00
ACADIAN ASSET MANAGEMENT LLC	31 Dec, 2025	125,371	-8,154	-6.11%	$787.00
ADAR1 Capital Management, LLC	31 Dec, 2025	117,440	-7,527	-6.02%	$738,698.00
BlackRock, Inc.	31 Dec, 2025	98,684	581	0.59%	$620,722.00
Rangeley Capital, LLC	31 Dec, 2025	85,926	85,926	0.00%	$540,475.00
Aldebaran Capital, LLC	31 Dec, 2025	80,630	80,630	0.00%	$507,163.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	68,167	2,665	4.07%	$428,860.00
RBF Capital, LLC	31 Dec, 2025	56,288	28,035	99.23%	$354,052.00
PRELUDE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	52,929	52,929	0.00%	$332,923.00
BRIDGEWAY CAPITAL MANAGEMENT, LLC	31 Dec, 2025	51,638	10,638	25.95%	$324,803.00
FNY Investment Advisers, LLC	31 Dec, 2025	50,000	50,000	0.00%	$314.00
Vazirani Asset Management LLC	31 Dec, 2025	48,428	48,428	0.00%	$304,612.00

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