Xencor Ownership | Who Owns Xencor?
Xencor Ownership Summary
Xencor is owned by 110.33% institutional investors, 1.23% insiders. Blackrock is the largest institutional shareholder, holding 18.14% of XNCR shares. PRIMECAP Odyssey Aggressive Growth is the top mutual fund, with 8.89% of its assets in Xencor shares.
XNCR Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Xencor | 110.33% | 1.23% | -11.56% |
| Sector | Healthcare Stocks | 42.53% | 10.81% | 46.67% |
| Industry | Biotech Stocks | 45.24% | 10.75% | 44.01% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Blackrock | 11.10M | 18.14% | $210.18M |
| Blackrock funding, inc. /de | 11.81M | 15.90% | $138.50M |
| Primecap management co/ca/ | 10.68M | 14.37% | $125.22M |
| Vanguard group | 7.10M | 9.56% | $83.33M |
| Rtw investments, lp | 6.22M | 8.38% | $72.97M |
| Ecor1 capital | 6.14M | 8.27% | $72.08M |
| State street | 3.67M | 4.95% | $43.09M |
| Bvf inc/il | 2.74M | 3.69% | $32.14M |
| Tcg crossover management | 2.45M | 3.30% | $28.76M |
| Geode capital management | 1.73M | 2.33% | $20.28M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Ecor1 capital | 6.14M | 3.46% | $72.08M |
| Johnson & johnson | 748.06K | 1.74% | $8.77M |
| Tcg crossover management | 2.45M | 1.41% | $28.76M |
| Bvf inc/il | 2.74M | 1.30% | $32.14M |
| Rtw investments, lp | 6.22M | 0.90% | $72.97M |
| Dcf advisers | 189.74K | 0.72% | $2.23M |
| Nantahala capital management | 1.10M | 0.45% | $12.90M |
| Braidwell lp | 1.25M | 0.43% | $14.62M |
| Corton capital | 10.05K | 0.29% | $117.91K |
| Rhenman & partners asset management ab | 165.75K | 0.22% | $1.94B |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Rtw investments, lp | 6.22M | 0.90% | 3.82M |
| Legal & general group | 1.27M | 0.00% | 1.09M |
| Nuveen asset management | 837.08K | 0.01% | 685.56K |
| Acadian asset management | 532.20K | 0.01% | 439.59K |
| Baker bros. advisors lp | 1.10M | 0.09% | 431.68K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Price t rowe associates inc /md/ | 1.69M | 0.00% | -2.07M |
| Vanguard group | 7.10M | 0.00% | -1.52M |
| Millennium management | - | - | -1.41M |
| Logos global management lp | - | - | -1.25M |
| Darwin global management | - | - | -1.11M |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Norges bank | 147.82K | 0.00% | 147.82K | $3.40M |
| Hrt financial lp | 124.06K | 0.01% | 124.06K | $1.46M |
| Susquehanna portfolio strategies | 106.86K | 0.02% | 106.86K | $1.25M |
| Jefferies financial group | 100.00K | 0.01% | 100.00K | $1.17M |
| Weiss asset management lp | 66.27K | 0.01% | 66.27K | $777.38K |
Sold Out
| Holder | Change |
|---|---|
| Ifp advisors | -1.00 |
| Dinuzzo private wealth | -1.00 |
| Capital performance advisors llp | -3.00 |
| Sjs investment consulting | -4.00 |
| Jfs wealth advisors | -4.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Sep 30, 2025 | 198 | 3.66% | 81,948,489 | -0.41% | 110 | 0.90% | 86 | -27.73% | 81 | 131.43% |
| Jun 30, 2025 | 188 | -5.05% | 82,120,873 | 13.33% | 110 | 1.14% | 116 | 12.62% | 36 | -42.86% |
| Mar 31, 2025 | 198 | 2.06% | 78,572,373 | 4.86% | 106 | 0.78% | 102 | -6.42% | 63 | 23.53% |
| Dec 31, 2024 | 180 | -14.69% | 68,955,988 | -4.08% | 107 | 0.85% | 98 | 2.08% | 50 | -39.02% |
| Sep 30, 2024 | 210 | 5.53% | 71,860,060 | 13.42% | 112 | 1.06% | 95 | 3.26% | 82 | 20.59% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| PRIMECAP Odyssey Aggressive Growth | 6.32M | 8.89% | 383.87K |
| iShares Core S&P Small-Cap ETF | 4.23M | 5.94% | - |
| PRIMECAP Odyssey Growth | 3.45M | 4.85% | 425.84K |
| Vanguard Total Stock Mkt Idx Inv | 2.20M | 3.09% | -48.83K |
| Vanguard US Total Market Shares ETF | 2.17M | 3.08% | 217.00K |
| Vanguard Small Cap Index | 1.73M | 2.42% | -10.85K |
| iShares Russell 2000 ETF | 1.70M | 2.39% | - |
| US Small-Cap Growth II Equity Comp | 1.44M | 2.02% | -154.25K |
| T. Rowe Price New Horizons | 1.15M | 1.61% | -293.56K |
| SPDR® S&P Biotech ETF | 1.10M | 1.55% | 2.46K |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Jun 16, 2025 | Montgomery Alan Bruce | - | Sell | $20.42K |
| Jun 16, 2025 | GUSTAFSON KURT A | - | Sell | $27.60K |
| Jun 16, 2025 | GORMAN KEVIN CHARLES | - | Sell | $29.26K |
| Jun 16, 2025 | Feigal Ellen | - | Sell | $27.60K |
| Jun 16, 2025 | RANIERI RICHARD J | - | Sell | $27.60K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2025 Q3 | - | - |
| 2025 Q2 | - | 7 |
| 2025 Q1 | - | 4 |
| 2024 Q4 | - | 5 |
| 2024 Q3 | - | 7 |
XNCR Ownership FAQ
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