Who owns Xencor Inc?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of XNCR from SEC Form 13F filings across 208 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 208 institutions disclosed 84.2M shares of Xencor Inc worth $1.36B — about 110.9% of shares outstanding; the largest disclosed holder is BlackRock, Inc.. Source: SEC Form 13F filings, parsed by EvidInvest.
208
13F holders
$1.36B
value, 2026 filers
110.9%
of shares outstanding (84.2M sh)
32
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of XNCR's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 13.7M | $219.8M | 0.0% | 18% | +4.7% |
| 2 | PRIMECAP MANAGEMENT CO/CA/ | 10.2M | $163.9M | 0.1% | 13.4% | -1.5% |
| 3 | BVF INC/IL | 7.1M | $114.9M | 2.9% | 9.4% | 0.0% |
| 4 | RTW INVESTMENTS, LP | 6.8M | $109.1M | 0.9% | 8.9% | 0.0% |
| 5 | RA CAPITAL MANAGEMENT, L.P. | 5.3M | $84.9M | 0.7% | 7% | +7.7% |
| 6 | STATE STREET CORP | 5.0M | $79.8M | 0.0% | 6.5% | +13.8% |
| 7 | VANGUARD CAPITAL MANAGEMENT LLC | 3.3M | $52.8M | 0.0% | 4.3% | +5.7% |
| 8 | TCG Crossover Management, LLC | 2.5M | $39.5M | 0.9% | 3.2% | 0.0% |
| 9 | PRICE T ROWE ASSOCIATES INC /MD/ | 2.4M | $37.9M | 0.0% | 3.1% | +51.0% |
| 10 | VANGUARD PORTFOLIO MANAGEMENT LLC | 2.2M | $35.7M | 0.0% | 2.9% | -36.7% |
| 11 | GEODE CAPITAL MANAGEMENT, LLC | 1.9M | $30.9M | 0.0% | 2.5% | +5.8% |
| 12 | MORGAN STANLEY | 1.8M | $28.2M | 0.0% | 2.3% | +12.5% |
| 13 | UBS Group AG | 1.3M | $21.0M | 0.0% | 1.7% | +20.7% |
| 14 | BAKER BROS. ADVISORS LP | 1.1M | $17.7M | 0.1% | 1.5% | 0.0% |
| 15 | Legal & General Group Plc | 1.1M | $17.6M | 0.0% | 1.4% | +2.3% |
| 16 | DIMENSIONAL FUND ADVISORS LP | 1.0M | $16.3M | 0.0% | 1.3% | -21.9% |
| 17 | GOLDMAN SACHS GROUP INC | 968,778 | $15.6M | 0.0% | 1.3% | +26.8% |
| 18 | MILLENNIUM MANAGEMENT LLC | 853,677 | $13.7M | 0.0% | 1.1% | +40.0% |
| 19 | TWO SIGMA INVESTMENTS, LP | 819,515 | $13.2M | 0.0% | 1.1% | +1.7% |
| 20 | NORTHERN TRUST CORP | 794,279 | $12.8M | 0.0% | 1% | +6.7% |
| 21 | JOHNSON & JOHNSON | 748,062 | $12.0M | 1.5% | 1% | 0.0% |
| 22 | Jefferies Financial Group Inc. | 720,440 | $11.6M | 0.1% | 0.9% | 0.0% |
| 23 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 707,242 | $11.4M | 0.0% | 0.9% | +1.5% |
| 24 | PANAGORA ASSET MANAGEMENT INC | 680,182 | $11.0M | 0.0% | 0.9% | +9.6% |
| 25 | Deep Track Capital, LPNEW | 593,551 | $9.6M | 0.1% | 0.8% | new |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.