Latest Period
Q1 2026
Security Snapshot
Kezar Life Sciences, Inc. - Common Stock, $0.001 par value per share (KZR) Institutional Ownership
CUSIP: 49372L209
13F Institutional Holders and Ownership History from Q2 2024 to Q1 2026
Institutions Reporting
43
Shares (Excl. Options)
4,429,212
Price
$7.42
Save this security page for your next review
Keep this CUSIP in your watchlists so you can revisit quarter changes from one place. If you create an account from here, we will bring you back after verification.
- Security type / class
- Equity / Common Stock, $0.001 par value per share
- Symbol
- KZR
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 4,429,212
- Total 13F value
- $32,846,845
- Portfolio coverage rank
- 0%
- Share change
- -22,206
- Value change
- +$578,332
- Number of holders
- 43
- Shares outstanding
- 7,437,095
- SEC-reported price per share
- $7.29
- Insider filing price
- $7.29
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
3 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- KZR - Kezar Life Sciences, Inc. - Common Stock, $0.001 par value per share is tracked under CUSIP 49372L209.
- 43 institutions reported positions in Q1 2026.
- 1 significant owner is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 43 to 43 between Q4 2025 and Q1 2026.
- SEC-reported value moved from $28,054,562 to $32,846,845.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 43 institutions filings for Q1 2026.
Security key
49372L209
Latest holder period
Q1 2026
13F holders
43
13D/G owners
1
CIK / CUSIP context first
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 49372L209:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
1
Security
KZR
| 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 Mar 2026, 43 institutional investors reported holding 4,429,212 shares of Kezar Life Sciences, Inc. - Common Stock, $0.001 par value per share (KZR). This represents 60% of the company’s total 7,437,095 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
58%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| BML Capital Management, LLC | 9.7% | 720,787 | 0% | 3.4% | $5,348,240 |
| SUVRETTA CAPITAL MANAGEMENT, LLC | 9.6% | 716,759 | 0% | 0.14% | $5,318,352 |
| TANG CAPITAL MANAGEMENT LLC | 8.9% | 664,314 | 0% | 0.25% | $4,929,210 |
| VANGUARD CAPITAL MANAGEMENT LLC | 3.9% | 290,529 | 0% | 0% | $2,155,725 |
| Rangeley Capital, LLC | 3.3% | 243,073 | +183% | 2% | $1,803,602 |
| Affinity Asset Advisors, LLC | 3.1% | 229,076 | 0% | 0.1% | $1,699,744 |
| RENAISSANCE TECHNOLOGIES LLC | 2.5% | 188,426 | +44% | 0% | $1,398,121 |
| ACADIAN ASSET MANAGEMENT LLC | 2% | 151,630 | +21% | 0% | $1,123,000 |
| MILLENNIUM MANAGEMENT LLC | 1.9% | 142,050 | 0% | $1,054,011 | |
| Peapod Lane Capital LLC | 1.7% | 126,692 | -0.01% | 0.76% | $924,520 |
| Ikarian Capital, LLC | 1.4% | 102,211 | 0% | 0.11% | $758,405 |
| BlackRock, Inc. | 1.3% | 100,064 | +1.4% | 0% | $742,475 |
| ADAR1 Capital Management, LLC | 1.1% | 81,933 | -30% | 0.04% | $607,943 |
| Groupe la Francaise | 1.1% | 80,400 | 0.01% | $596,568 | |
| Aldebaran Capital, LLC | 1.1% | 80,335 | -0.37% | 0.46% | $596,086 |
| GEODE CAPITAL MANAGEMENT, LLC | 0.82% | 60,988 | -11% | 0% | $452,643 |
| CITADEL ADVISORS LLC | 0.8% | 59,403 | 0% | $440,770 | |
| CREDIT INDUSTRIEL ET COMMERCIAL | 0.72% | 53,600 | 0.06% | $397,712 | |
| TORNO CAPITAL, LLC | 0.65% | 48,479 | +142% | 0.15% | $359,714 |
| VANGUARD FIDUCIARY TRUST CO | 0.55% | 41,201 | 0% | 0% | $305,711 |
| DIMENSIONAL FUND ADVISORS LP | 0.41% | 30,334 | +14% | 0% | $225,078 |
| RBF Capital, LLC | 0.38% | 28,144 | 0% | 0.01% | $208,828 |
| STATE STREET CORP | 0.36% | 27,093 | 0% | 0% | $201,030 |
| Yakira Capital Management, Inc. | 0.32% | 24,000 | 0.05% | $178,080 | |
| Vazirani Asset Management LLC | 0.3% | 22,000 | -55% | 0.38% | $163,240 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
8
Latest
Q1 2026
Rows shown
1-8 of 8
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q1 | 4,429,212 | $32,846,845 | +$578,332 | $7.42 | 43 |
| 2025 Q4 | 4,460,455 | $28,054,562 | +$2,498,477 | $6.29 | 43 |
| 2025 Q3 | 4,206,014 | $16,401,762 | -$1,447,302 | $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 |