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Disclosery

KZR KEZAR LIFE SCIENCES INC

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COM NEW (common)

43 managers (43 13F filers) reported a position in KZR shares at 2025-12-31, 4,460,455 shares in all. 10 filers opened a position and 6 filers sold out during the quarter.

Managers
43
13F filers
43
New
10
Added
10
Reduced
17
Sold out
6
Shares held by filers
4,460,455

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

No 13D or 13G on this security in the data. Structured 13D/G data starts 2024-12-18.

Insider trades

No Form 4 transaction on this security in the data.

13F holders, Q4 2025

Filers in the available 13F reports with a share position at 2025-12-31, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
BML Capital Management, LLC720,787$4.53M4.01%013F-HRTimeline
MONTANOVA CAPITAL, LLC716,759$4.51M0.11%013F-HRTimeline
TANG CAPITAL MANAGEMENT LLCin group TANG CAPITAL MANAGEMENT LLC664,314$4.18M0.21%-55,68613F-HRTimelineGroup
VANGUARD GROUP INCin group VANGUARD GROUP INC341,404$2.15M<0.01%+73,23813F-HRTimelineGroup
Nantahala Capital Management, LLCin group Nantahala Capital Management,…276,754$1.74M0.1%new13F-HRTimelineGroup
Affinity Asset Advisors, LLC229,076$1.44M0.1%new13F-HRTimeline
Stonepine Capital Management, LLC156,179$982K0.78%-227,00313F-HRTimeline
RENAISSANCE TECHNOLOGIES LLC131,285$826K<0.01%+15,40013F-HRTimeline
Peapod Lane Capital LLC126,699$797K0.68%+92613F-HRTimeline
ACADIAN ASSET MANAGEMENT LLCin group ACADIAN ASSET MANAGEMENT LLC125,371$787K<0.01%-8,15413F-HRTimelineGroup
ADAR1 Capital Management, LLCin group ADAR1 Capital Management, LLC117,440$739K0.06%-7,52713F-HR/ATimelineGroup
Ikarian Capital, LLCin group Ikarian Capital, LLC102,211$643K0.08%-4,69013F-HRTimelineGroup
BlackRock, Inc.in group BlackRock, Inc.98,684$621K<0.01%+58113F-HRTimelineGroup
Rangeley Capital, LLC85,926$540K0.47%new13F-HRTimeline
Aldebaran Capital, LLC80,630$507K0.45%new13F-HRTimeline
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC68,167$429K<0.01%+2,66513F-HRTimelineGroup
PRELUDE CAPITAL MANAGEMENT, LLC52,929$333K0.02%new13F-HRTimeline
BRIDGEWAY CAPITAL MANAGEMENT, LLC51,638$325K0.01%+10,63813F-HRTimeline
FNY Investment Advisers, LLC50,000$314K0.09%new13F-HRTimeline
Vazirani Asset Management LLC48,428$305K1.85%new13F-HRTimeline
Shay Capital LLC33,699$212K0.03%-33,96213F-HRTimeline
RBF Capital, LLC28,144$177K0.01%-10913F-HR/ATimeline
STATE STREET CORPin group STATE STREET CORP27,093$170K<0.01%+6,00013F-HRTimelineGroup
DIMENSIONAL FUND ADVISORS LPin group DIMENSIONAL FUND ADVISORS LP26,543$167K<0.01%+3,31213F-HRTimelineGroup
NANO CAP NEW MILLENNIUM GROWTH FUND L P25,000$157K0.13%13F-HRTimeline
TORNO CAPITAL, LLC20,000$126K0.05%new13F-HR/ATimeline
BOOTHBAY FUND MANAGEMENT, LLC16,210$102K<0.01%-4,69013F-HRTimeline
NORTHERN TRUST CORPin group NORTHERN TRUST CORP13,763$86.6K<0.01%-17713F-HRTimelineGroup
TWO SIGMA INVESTMENTS, LPgroup of 2 filers holding11,312$71.2K-66,631Timeline
WELLS FARGO & COMPANY/MNin group WELLS FARGO & COMPANY/MN5,836$36.7K<0.01%-1013F-HRTimelineGroup
MORGAN STANLEYin group MORGAN STANLEY5,685$35.8K<0.01%-2,13513F-HR/ATimelineGroup
Global Retirement Partners, LLC1,000$6.29K<0.01%013F-HRTimeline
Tower Research Capital LLC (TRC)in group Tower Research Capital LLC (T…564$3.55K<0.01%-62313F-HRTimelineGroup
FMR LLCin group FMR LLC208$1.31K<0.01%-8,52413F-HRTimelineGroup
ROYAL BANK OF CANADAin group ROYAL BANK OF CANADA112$1K<0.01%new13F-HRTimelineGroup
BANK OF AMERICA CORP /DE/in group BANK OF AMERICA CORP /DE/122$768<0.01%+113F-HRTimelineGroup
JPMORGAN CHASE & COin group JPMORGAN CHASE & CO109$686<0.01%-10013F-HRTimelineGroup
CIBC Private Wealth Group LLCin group CIBC Bancorp USA Inc.100$629<0.01%013F-HRTimelineGroup
OSAIC HOLDINGS, INC.in group OSAIC HOLDINGS, INC.94$591<0.01%+413F-HRTimelineGroup
BNP PARIBAS FINANCIAL MARKETSin group BNP PARIBAS FINANCIAL MARKETS89$560<0.01%-713F-HRTimelineGroup
Allworth Financial LP50$315<0.01%new13F-HRTimeline
UBS Group AGin group UBS Group AG40$252<0.01%-31613F-HRTimelineGroup
BARCLAYS PLCin group BARCLAYS PLC1$6<0.01%013F-HRTimelineGroup