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Kezar Life Sciences, Inc.

KZRDelisted May 11, 2026
Industry
Pharmaceutical Preparations
SEC CIK
0001645666

Kezar Life Sciences, Inc. was delisted on May 11, 2026; its insiders filed their last Form 4 on May 11, 2026; 43 institutions reported holding it in 13F filings for Q1 2026, worth $32.8M in total; no superinvestor held it.

Holders of 5% or more of KZR

Holders whose latest Schedule 13D or 13G filing reports 5% or more of Kezar Life Sciences, Inc., largest stake first. The change is against the holder's previous filing.

Holders of 5% or more of KZR
HolderLatest formStakeChangeFirst filedLatest filingFiling
Equal Talent Investments Ltd13D/A8.66%616.5K shares–Mar 3, 20251 filingMar 3, 2025SEC
Morningside Venture Investments Ltd13D/A8.45%616.5K shares–Feb 16, 20213 filingsJan 16, 2025SEC
Avidity Partners Management LP13G/A6.90%502.6K shares–Jan 3, 20224 filingsFeb 14, 2025SEC

Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.

13D and 13G filings

51 Schedule 13D and 13G filings on Kezar Life Sciences, Inc., newest first, including old-format filings without a stake.

Schedule 13D and 13G filings on KZR
Filed (ET)FilerFormStakeChangeEvent dateFiling
May 28, 20265:32 PM ETBaselake Partners, LPand 2 others13G/A0.00%0 shares0.00 ppfrom 0.00%Below 5%May 11, 2026SEC
May 13, 20264:15 PM ETTang Capital Management LLCand 6 others13D/A0.00%0 shares−9.00 ppfrom 9.00%Below 5%May 11, 2026SEC
May 12, 20265:17 PM ETBaselake Partners, LPand 2 others13G/A0.00%391.9K shares−5.30 ppfrom 5.30%Below 5%May 11, 2026SEC
May 12, 20264:44 PM ETBML Investment Partners, L.P.13G/A0.00%0 shares−9.80 ppfrom 9.80%Below 5%May 11, 2026SEC
Apr 6, 20269:28 PM ETBaselake Partners, LPand 2 others13G5.30%391.9K sharesNewMar 30, 2026SEC
Apr 1, 20264:14 PM ETTang Capital Management LLCand 6 others13D/A9.00%664.3K shares–Mar 30, 2026SEC
Feb 13, 20265:00 PM ETStonepine Capital Management, LLCand 3 others13G/A2.10%156.2K shares−3.10 ppfrom 5.20%Below 5%Dec 31, 2025SEC
Feb 9, 20262:39 PM ETBML Investment Partners, L.P.13G/A9.80%720.8K shares+4.70 ppfrom 5.10%Dec 31, 2025SEC
Nov 14, 20251:33 PM ETAvidity Partners Management LPand 5 others13G/A0.00%0 shares–Below 5%Sep 30, 2025SEC
Sep 8, 20255:44 PM ETStonepine Capital Management, LLCand 3 others13G5.20%377.2K sharesNewSep 2, 2025SEC
Mar 21, 20255:54 PM ETBarclays PLC13G/A––Sep 30, 2024SEC
Mar 6, 20255:46 PM ETBML Investment Partners, L.P.13G5.10%368.6K sharesNewFeb 28, 2025SEC
Mar 3, 20254:01 PM ETEqual Talent Investments Ltdand 1 other13D/A8.66%616.5K shares–Feb 28, 2025SEC
Feb 14, 202510:42 AM ETAvidity Partners Management LPand 6 others13G/A6.90%502.6K shares–Dec 31, 2024SEC
Jan 16, 20256:33 PM ETMorningside Venture Investments Ltdand 6 others13D/A8.45%616.5K shares–Dec 3, 2024SEC
Nov 14, 202412:24 PM ETBarclays PLC13G/A––Sep 30, 2024SEC
Oct 8, 2024Tang Capital Management LLC13DOld format–New–SEC
Jul 8, 20244:32 PM ETBlackRock Inc.13G/AOld format–––SEC
Feb 14, 2024OrbiMed Advisors LLC13G/AOld format–––SEC
Feb 14, 2024Avidity Partners Management LP13G/AOld format–––SEC
Feb 14, 2024Barclays PLC13GOld format–New–SEC
Feb 13, 2024Prosight Management, LP13G/AOld format–––SEC
Feb 13, 2024Suvretta Capital Management, LLC13G/AOld format–––SEC
Jan 29, 20243:26 PM ETBlackRock Inc.13G/AOld format–––SEC
Jan 23, 2024State Street Corp13G/AOld format–––SEC
Jan 22, 2024Millennium Management LLC13G/AOld format–––SEC
Aug 17, 2023Morningside Venture Investments Ltd13D/AOld format–––SEC
Jun 21, 2023Millennium Management LLC13GOld format–––SEC
Apr 21, 2023Prosight Management, LP13GOld format–New–SEC
Feb 14, 2023BB Biotech AG13G/AOld format–––SEC
Feb 14, 2023OrbiMed Advisors LLC13GOld format–New–SEC
Feb 14, 2023Avidity Partners Management LP13G/AOld format–––SEC
Feb 13, 2023Suvretta Capital Management, LLC13G/AOld format–––SEC
Feb 3, 20234:27 PM ETBlackRock Inc.13GOld format–––SEC
Feb 3, 2023State Street Corp13GOld format–New–SEC
Jan 31, 2023Franklin Resources Inc13G/AOld format–––SEC
Jan 17, 2023Millennium Management LLC13G/AOld format–––SEC
Jun 23, 2022Millennium Management LLC13GOld format–New–SEC
Jun 13, 2022Suvretta Capital Management, LLC13GOld format–New–SEC
May 9, 20223:23 PM ETBlackRock Inc.13GOld format–––SEC
Feb 14, 2022Logos Global Management LP13G/AOld format–––SEC
Feb 11, 2022BB Biotech AG13G/AOld format–––SEC
Feb 4, 2022Franklin Resources Inc13GOld format–New–SEC
Feb 3, 20224:41 PM ETBlackRock Inc.13G/AOld format–––SEC
Jan 3, 2022Avidity Partners Management LP13GOld format–New–SEC
Jul 29, 2021Logos Global Management LP13GOld format–New–SEC
Feb 16, 2021Morningside Venture Investments Ltd13D/AOld format–––SEC
Feb 12, 2021BB Biotech AG13G/AOld format–––SEC
Feb 12, 2021Biotechnology Value Fund L P13G/AOld format–––SEC
Feb 8, 2021FMR LLC13G/AOld format–––SEC

Form 144: proposed insider sales

Notices from officers, directors and other affiliates planning to sell Kezar Life Sciences, Inc. shares.

No Form 144 notices for Kezar Life Sciences, Inc. are on file.