Acelyrin Ownership | Who Owns Acelyrin?
Acelyrin Ownership Summary
Acelyrin is owned by 21.55% institutional investors, 7.14% insiders, and 71.31% retail investors. Blackrock funding, inc. /de is the largest institutional shareholder, holding 6.03% of SLRN shares.
SLRN Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Acelyrin | 21.55% | 7.14% | 71.31% |
| Sector | Healthcare Stocks | 279.19% | 10.58% | -189.76% |
| Industry | Biotech Stocks | 63.97% | 10.68% | 25.35% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Blackrock funding, inc. /de | 6.02M | 6.03% | $18.91M |
| Madison avenue partners, lp | 4.14M | 4.17% | $10.23M |
| Orbimed advisors | 4.00M | 4.03% | $9.88M |
| Venbio partners | 3.81M | 3.83% | $9.40M |
| Velan capital investment management lp | 3.37M | 3.39% | $8.32M |
| General atlantic | 2.70M | 2.70% | $8.46M |
| Samsara biocapital | 2.52M | 2.54% | $6.23M |
| Palo alto investors lp | 1.79M | 1.81% | $4.43M |
| Opaleye management | 1.61M | 1.63% | $3.99M |
| State street | 1.44M | 1.44% | $4.53M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Velan capital investment management lp | 3.37M | 8.56% | $8.32M |
| Venbio partners | 3.81M | 7.61% | $9.40M |
| Samsara biocapital | 2.52M | 1.11% | $6.23M |
| Opaleye management | 1.61M | 0.89% | $3.99M |
| Madison avenue partners, lp | 4.14M | 0.87% | $10.23M |
| Palo alto investors lp | 1.79M | 0.84% | $4.43M |
| General atlantic | 2.70M | 0.30% | $8.46M |
| Orbimed advisors | 4.00M | 0.24% | $9.88M |
| Prelude capital management | 88.18K | 0.02% | $276.89K |
| China universal asset management | 21.27K | 0.01% | $66.80K |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Madison avenue partners, lp | 4.14M | 0.87% | 4.14M |
| Velan capital investment management lp | 3.37M | 8.56% | 3.37M |
| State street | 1.44M | 0.00% | 168.18K |
| Prelude capital management | 88.18K | 0.02% | 58.76K |
| Blackrock funding, inc. /de | 6.02M | 0.00% | 38.49K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Millennium management | 149.30K | 0.00% | -4.57M |
| Blue owl capital lp | - | - | -2.78M |
| Siren | - | - | -1.73M |
| Stempoint capital lp | - | - | -1.70M |
| Rtw investments, lp | - | - | -978.31K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Madison avenue partners, lp | 4.14M | 0.87% | 4.14M | $10.23M |
| Velan capital investment management lp | 3.37M | 8.56% | 3.37M | $8.32M |
Sold Out
| Holder | Change |
|---|---|
| Skopos labs | -62.00 |
| Allworth financial lp | -65.00 |
| Capital performance advisors llp | -102.00 |
| Clearstead advisors | -114.00 |
| Signaturefd | -175.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Mar 31, 2025 | 8 | -93.50% | 21,397,921 | -75.25% | 21 | 0.29% | 2 | -96.67% | 2 | -94.87% |
| Dec 31, 2024 | 24 | -80.49% | 12,406,379 | -85.49% | 12 | 0.17% | 12 | -81.54% | 7 | -79.41% |
| Sep 30, 2024 | 123 | 7.89% | 85,479,826 | -1.74% | 85 | 1.11% | 65 | -7.14% | 34 | 36.00% |
| Jun 30, 2024 | 114 | -7.32% | 86,992,477 | -4.26% | 87 | 1.02% | 70 | -2.78% | 25 | -13.79% |
| Mar 31, 2024 | 123 | 6.03% | 90,862,849 | 7.15% | 92 | 0.64% | 72 | 9.09% | 29 | 7.41% |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Mar 17, 2025 | Kim Mina | Chief Executive Officer | Sell | $49.35K |
| Mar 17, 2025 | Murugan Amar | Chief Legal Officer | Sell | $10.74K |
| Mar 17, 2025 | Mpofu Shephard | Chief Medical Officer | Sell | $8.81K |
| Jul 17, 2024 | Becker Daniel J. | - | Sell | $6.86 |
| Jan 02, 2024 | Lin Shao-Lee | Chief Executive Officer | Sell | $79.19K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2025 Q2 | - | - |
| 2025 Q1 | - | 3 |
| 2024 Q4 | - | - |
| 2024 Q3 | - | 1 |
| 2024 Q1 | - | 1 |
SLRN Ownership FAQ
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