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KZR

Kezar Life Sciences

Delisted

KZR was delisted on the 8th of May, 2026.

41 hedge funds and large institutions have $21.1M invested in Kezar Life Sciences in 2025 Q1 according to their latest regulatory filings, with 5 funds opening new positions, 7 increasing their positions, 14 reducing their positions, and 6 closing their positions.

New
Increased
Maintained
Reduced
Closed

5,700% more call options, than puts

Call options by funds: $58K | Put options by funds: $1K

1.66% more ownership

Funds ownership: 57.55%59.21% (+1.7%)

0% more funds holding in top 10

Funds holding in top 10: 11 (0)

5% less funds holding

Funds holding: 4341 (-2)

17% less first-time investments, than exits

New positions opened: 5 | Existing positions closed: 6

25% less capital invested

Capital invested by funds: $28.2M → $21.1M (-$7.11M)

50% less repeat investments, than reductions

Existing positions increased: 7 | Existing positions reduced: 14

Holders
41
Holders Change
-2
Holders Change %
-4.65%
% of All Funds
0.55%
Holding in Top 10
1
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
0.01%
New
5
Increased
7
Reduced
14
Closed
6
Calls
$58K
Puts
$1K
Net Calls
+$57K
Net Calls Change
-$18K
Name Holding Trade Value Shares
Change
Change in
Stake
TCM
1
Tang Capital Management
California
$3.51M
SCM
2
Suvretta Capital Management
New York
$3.5M
APM
3
Avidity Partners Management
Texas
$2.45M
BCM
4
BML Capital Management
Indiana
$1.99M +$2.18M +359,470 +739%
Vanguard Group
5
Vanguard Group
Pennsylvania
$1.35M +$12.8K +2,117 +0.8%
O
6
OrbiMed
New York
$940K
ACM
7
ADAR1 Capital Management
Texas
$719K
Acadian Asset Management
8
Acadian Asset Management
Massachusetts
$650K -$73.7K -12,141 -8%
PLC
9
Peapod Lane Capital
New York
$607K +$2.63K +433 +0.3%
SFM
10
Sphera Funds Management
Israel
$529K
IC
11
Ikarian Capital
Texas
$522K
SCM
12
Stonepine Capital Management
Oregon
$488K -$60.7K -10,000 -9%
Renaissance Technologies
13
Renaissance Technologies
New York
$418K -$12.8K -2,101 -2%
QUSVM
14
Qiming U.S. Ventures Management
Washington
$404K
BlackRock
15
BlackRock
New York
$403K -$1.46K -241 -0.3%
Geode Capital Management
16
Geode Capital Management
Massachusetts
$330K +$6.03K +994 +1%
SC
17
Shay Capital
New York
$329K +$50.7K +8,353 +14%
Two Sigma Advisers
18
Two Sigma Advisers
New York
$315K -$216K -35,632 -36%
BCM
19
Bridgeway Capital Management
Texas
$200K +$249K +41,000 New
Dimensional Fund Advisors
20
Dimensional Fund Advisors
Texas
$158K
Two Sigma Investments
21
Two Sigma Investments
New York
$156K -$183K -30,113 -49%
Millennium Management
22
Millennium Management
New York
$153K -$72.6K -11,957 -28%
RC
23
RBF Capital
California
$138K
Goldman Sachs
24
Goldman Sachs
New York
$138K -$146K -24,094 -46%
WP
25
Woodline Partners
California
$125K +$155K +25,555 New

KZR Hedge Fund Activity: Q1 2025 in Review

41 of the 7,463 institutional investors tracked by Wall St. Rank reported a position in Kezar Life Sciences (KZR) for Q1 2025, worth a combined $21.1M — down 25% from $28.2M a quarter earlier.

Sellers outnumbered buyers: 6 funds closed out of KZR and 5 opened new positions — a net loss of 1 holder — while 14 trimmed existing stakes and 7 added.

The largest buyer was BML Capital Management, adding an estimated $2.18M. The largest seller was Affinity Asset Advisors, exiting entirely with an estimated $956K sold.

  • 41 institutional investors held Kezar Life Sciences (KZR) as of Q1 2025, down from 43 in Q4 2024.
  • Funds reported $21.1M of Kezar Life Sciences stock for Q1 2025, down 25% quarter-over-quarter.
  • 5 funds opened new Kezar Life Sciences positions in Q1 2025 and 6 closed out, a net change of -1 holder.
  • The largest Kezar Life Sciences buyer in Q1 2025 was BML Capital Management, an estimated $2.18M added.
  • The largest Kezar Life Sciences seller in Q1 2025 was Affinity Asset Advisors, an estimated $956K sold.

Based on aggregated 13F filings for Q1 2025.