Kezar Life Sciences, Inc. - Common Stock (KZR) Institutional Ownership

13F Institutional Holders and Ownership History from Q2 2024 to Q4 2025

Type / Class
Equity / Common Stock
Symbol
KZR on Nasdaq
Shares outstanding
7,437,095
Price per share
$6.17
All holders as of 31 Dec 2025
Q4 2025
Total 13F shares
4,460,455
Total reported value
$28,054,562
% of total 13F portfolios
0%
Share change
+312,319
Value change
+$2,629,556
Number of holders
43
Price from insider filings
$6.17
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of Kezar Life Sciences, Inc. - Common Stock (KZR) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
Stonepine Capital Management, LLC 2.1% -62% $968,310 -$1,370,578 156,179 -59% Stonepine Capital Management, LLC 31 Dec 2025

As of 31 Dec 2025, 43 institutional investors reported holding 4,460,455 shares of Kezar Life Sciences, Inc. - Common Stock (KZR). This represents 60% of the company’s total 7,437,095 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of Kezar Life Sciences, Inc. - Common Stock (KZR) together control 59% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.

Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
BML Capital Management, LLC 9.7% 720,787 0% 4% $4,533,750
SUVRETTA CAPITAL MANAGEMENT, LLC 9.6% 716,759 0% 0.11% $4,508,414
TANG CAPITAL MANAGEMENT LLC 8.9% 664,314 -7.7% 0.21% $4,178,535
VANGUARD GROUP INC 4.6% 341,404 +27% 0% $2,147,431
Nantahala Capital Management, LLC 3.7% 276,754 0.1% $1,740,783
Affinity Asset Advisors, LLC 3.1% 229,076 0.1% $1,440,888
Stonepine Capital Management, LLC 2.1% 156,179 -59% 0.78% $982,366
RENAISSANCE TECHNOLOGIES LLC 1.8% 131,285 +13% 0% $825,783
Peapod Lane Capital LLC 1.7% 126,699 +0.74% 0.68% $796,937
ACADIAN ASSET MANAGEMENT LLC 1.7% 125,371 -6.1% 0% $787,000
ADAR1 Capital Management, LLC 1.6% 117,440 -6% 0.06% $738,698
Ikarian Capital, LLC 1.4% 102,211 -4.4% 0.08% $642,907
BlackRock, Inc. 1.3% 98,684 +0.59% 0% $620,722
Rangeley Capital, LLC 1.2% 85,926 0.47% $540,475
Aldebaran Capital, LLC 1.1% 80,630 0.45% $507,163
GEODE CAPITAL MANAGEMENT, LLC 0.92% 68,167 +4.1% 0% $428,860
PRELUDE CAPITAL MANAGEMENT, LLC 0.71% 52,929 0.02% $332,923
BRIDGEWAY CAPITAL MANAGEMENT, LLC 0.69% 51,638 +26% 0.01% $324,803
FNY Investment Advisers, LLC 0.67% 50,000 0.09% $314,000
Vazirani Asset Management LLC 0.65% 48,428 1.8% $304,612
Shay Capital LLC 0.45% 33,699 -50% 0.03% $211,967
RBF Capital, LLC 0.38% 28,144 -0.39% 0.01% $177,026
STATE STREET CORP 0.36% 27,093 +28% 0% $170,415
DIMENSIONAL FUND ADVISORS LP 0.36% 26,543 +14% 0% $166,955
NANO CAP NEW MILLENNIUM GROWTH FUND L P 0.34% 25,000 0% 0.13% $157,250

Institutional Holders of Kezar Life Sciences, Inc. - Common Stock (KZR) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2025 Q4 4,460,455 $28,054,562 +$2,629,556 $6.29 43
2025 Q3 4,206,014 $16,401,762 -$1,447,298 $3.90 38
2025 Q2 4,474,800 $20,493,118 +$639,707 $4.58 38
2025 Q1 4,328,239 $21,120,201 +$284,256 $4.88 40
2024 Q4 4,201,005 $28,227,155 +$18,320,837 $6.72 42
2024 Q3 1,440,173 $1,113,903 +$1,099,753 $0.77 3
2024 Q2 18,300 $10,980 +$10,980 $0.60 1