Apellis Pharmaceuticals Ownership | Who Owns Apellis Pharmaceuticals?
Apellis Pharmaceuticals Ownership Summary
Apellis Pharmaceuticals is owned by 110.78% institutional investors, 11.37% insiders. Blackrock funding, inc. /de is the largest institutional shareholder, holding 10.74% of APLS shares. Vanguard Health Care Inv is the top mutual fund, with 6.38% of its assets in Apellis Pharmaceuticals shares.
APLS Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Apellis Pharmaceuticals | 110.78% | 11.37% | -22.15% |
| Sector | Healthcare Stocks | 35.49% | 11.75% | 52.76% |
| Industry | Biotech Stocks | 34.83% | 11.71% | 53.46% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Blackrock funding, inc. /de | 13.54M | 10.74% | $544.59M |
| Avoro capital advisors | 12.22M | 9.70% | $491.70M |
| Vanguard group | 10.67M | 8.47% | $268.15M |
| Morgan stanley | 10.04M | 7.97% | $404.01M |
| State street | 6.84M | 5.43% | $275.37M |
| Ubs group | 6.21M | 4.92% | $249.69M |
| Blackrock | 5.80M | 4.71% | $222.31M |
| Pentwater capital management lp | 5.25M | 4.17% | $211.21M |
| Deep track capital, lp | 4.53M | 3.60% | $182.34M |
| Point72 asset management | 4.18M | 3.32% | $168.32M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| One68 global capital | 55.35K | 7.21% | $2.23M |
| Versor investments lp | 51.15K | 5.04% | $2.06M |
| Avoro capital advisors | 12.22M | 4.84% | $491.70M |
| Chicago capital management | 190.00K | 4.77% | $5.76M |
| Ecor1 capital | 3.45M | 3.74% | $78.01M |
| Suvretta capital management | 3.52M | 3.62% | $141.55M |
| Boxer capital | 1.73M | 3.49% | $66.21M |
| Octagon capital advisors lp | 903.50K | 3.10% | $20.45M |
| Deep track capital, lp | 4.53M | 2.98% | $182.34M |
| Twin securities | 127.44K | 2.49% | $5.13M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Blackrock funding, inc. /de | 13.54M | 0.01% | 7.28M |
| Pentwater capital management lp | 5.25M | 1.10% | 5.25M |
| Point72 asset management | 4.18M | 0.22% | 3.59M |
| Hbk investments l p | 3.55M | 1.45% | 3.55M |
| State street | 6.84M | 0.01% | 2.23M |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Wellington management group llp | 249.63K | 0.00% | -12.47M |
| Ecor1 capital | 3.45M | 3.74% | -8.45M |
| Rtw investments, lp | 3.69M | 1.48% | -3.98M |
| Polar capital | - | - | -3.71M |
| Deep track capital, lp | 4.53M | 2.98% | -3.22M |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Pentwater capital management lp | 5.25M | 1.10% | 5.25M | $211.21M |
| Hbk investments l p | 3.55M | 1.45% | 3.55M | $142.82M |
| Glazer capital | 1.29M | 1.10% | 1.29M | $52.07M |
| Tig advisors | 1.25M | 2.33% | 1.25M | $50.41M |
| Toronto dominion bank | 1.24M | 0.07% | 1.24M | $49.74M |
Sold Out
| Holder | Change |
|---|---|
| Transamerica financial advisors | -1.00 |
| Activest wealth management | -1.00 |
| Concourse financial group securities | -1.00 |
| Jfs wealth advisors | -1.00 |
| Rothschild investment | -4.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Mar 31, 2026 | 338 | 10.10% | 139,615,537 | 10.46% | 110 | 1.10% | 215 | 43.33% | 72 | -26.53% |
| Dec 31, 2025 | 170 | -44.81% | 63,500,120 | -48.18% | 50 | 0.53% | 87 | -44.94% | 54 | -38.64% |
| Sep 30, 2025 | 223 | -14.56% | 85,860,587 | -25.21% | 68 | 0.82% | 108 | -27.52% | 72 | 10.77% |
| Jun 30, 2025 | 273 | -0.36% | 131,534,068 | 4.01% | 104 | 1.03% | 151 | 11.03% | 69 | -13.75% |
| Mar 31, 2025 | 6 | -97.89% | 12,635,786 | -90.03% | 10 | 0.10% | 2 | -98.73% | 1 | -98.68% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| Vanguard Health Care Inv | 8.15M | 6.38% | 1.82M |
| iShares Core S&P Small-Cap ETF | 6.25M | 4.88% | 1.34K |
| Polar Capital Biotech S Inc | 4.00M | 3.13% | 250.00K |
| State Street® SPDR® S&P® Biotech ETF | 3.78M | 2.95% | -37.38K |
| Vanguard Total Stock Mkt Idx Inv | 3.42M | 2.68% | 22.34K |
| Vanguard US Total Market Shares ETF | 3.30M | 2.63% | 2.68K |
| Vanguard Small Cap Index | 2.51M | 1.96% | 69.48K |
| SPDR® S&P Biotech ETF | 1.76M | 1.39% | 3.92K |
| Vanguard Explorer Inv | 1.75M | 1.37% | 753.63K |
| Worldwide Healthcare Ord | 1.51M | 1.18% | - |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Feb 11, 2026 | DeLong Mark Jeffrey | Chief Business & Strat Officer | Sell | $8.15K |
| Jan 22, 2026 | Baumal Caroline | Chief Medical Officer | Sell | $60.88K |
| Jan 22, 2026 | Chopas James George | VP/Chief Accounting Officer | Sell | $44.92K |
| Jan 22, 2026 | DeLong Mark Jeffrey | Chief Business & Strat Officer | Sell | $73.37K |
| Jan 22, 2026 | Deschatelets Pascal | Chief Scientific Officer | Sell | $129.03K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2026 Q2 | - | - |
| 2026 Q1 | - | 25 |
| 2025 Q4 | - | 5 |
| 2025 Q3 | - | 15 |
| 2025 Q2 | - | 1 |
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