ADAR1 Capital Management, LLC XNCR — XENCOR INC

Ownership history in ADAR1 Capital Management, LLC  ·  8 quarters on record

AI Ownership Summary

ADAR1 Capital Management, LLC reported XENCOR INC (XNCR) in 8 quarterly 13F filings from 2024 Q3 through 2026 Q2. Peak portfolio weight reached 1.12% in 2024 Q3. The latest visible filing shows XNCR at 0.17% of the fund.

This page tracks quarterly shares, estimated market value, portfolio weight, filing dates, and disclosure-aligned stock prices directly from SEC EDGAR 13F filings.

What this XNCR ownership page tells you

This page is designed to answer the real investor question behind a 13F filing: how meaningful was ADAR1 Capital Management, LLC's position in XENCOR INC, and how did that conviction change over time? You can read the holding window, peak weight, latest reported size, disclosure timing, and quarter-by-quarter changes without piecing the story together from raw SEC rows.

Freshest filing
Latest Reported Filing
2026 Q2

XNCR was reported at 0.17% of portfolio in the most recent visible filing.

High-water mark
Peak Conviction
1.12% in 2024 Q3

Peak weight helps separate a token disclosure from a real conviction holding the fund genuinely cared about.

Time in book
Holding Window
2024 Q3 to 2026 Q2

Longer holding windows often tell a very different story from short-lived tactical trades or one-quarter experiments.

Decision context
Why It Matters
Position size beats headlines

Knowing that a fund owned a stock is useful. Knowing whether it was a 0.20% placeholder or a true high-conviction position is where the signal actually starts.

XNCR stock page ADAR1 Capital Management, LLC fund profile ADAR1 Capital Management, LLC full holdings
How ADAR1 Capital Management, LLC held XNCR — position size vs. price
% of Fund (quarterly)    XNCR price (quarter-end, indexed to 100)    SPY (indexed to 100)    QQQ (indexed to 100)
📋 Quarterly Holdings History 8 quarters  ▾
Quarter Action Sold % After 3M Timing Shares Change Chg % % of Fund Mkt Value Filed Price (Filed)
2026 Q2 ADDED — — — 232,560 +138,895 +148.3% 0.17% $3.7M 2026-08-14 $23.34
2026 Q1 ADDED — — — 93,665 +37,500 +66.8% 0.07% $1.1M 2026-05-18 $11.06
2025 Q4 REDUCED 56.4% -21.2% ✅ 56,165 -72,700 -56.4% 0.06% $860K 2026-02-17 $11.54
2025 Q3 ADDED — — — 128,865 +43,039 +50.1% 0.14% $1.5M 2025-11-14 $14.93
2025 Q2 REDUCED 78.4% +47.0% ❌ 85,826 -312,326 -78.4% 0.10% $675K 2025-08-14 $7.65
2025 Q1 ADDED — — — 398,152 +163,545 +69.7% 0.79% $4.2M 2025-05-15 $8.20
2024 Q4 REDUCED 31.5% -53.7% ✅ 234,607 -107,655 -31.5% 1.08% $5.4M 2025-02-13 $16.29
2024 Q3 INITIATED — — — 342,262 — — 1.12% $6.9M 2024-11-14 $23.50

🏢 Other funds also holding XNCR

As of 2026 Q2 — sorted by position size

BVF INC/IL 3Y 7Y 2.94% Velan Capital Investment Management LP 3Y 2.5% JOHNSON & JOHNSON 3Y 1.51% Seven Fleet Capital Management LP 1.29% TCG Crossover Management, LLC 3Y 0.95% RTW INVESTMENTS, LP 3Y 7Y 0.93% RA CAPITAL MANAGEMENT, L.P. 3Y 7Y 0.74% DCF Advisers, LLC 3Y 0.3% Essex LLC 3Y 0.24% Deep Track Capital, LP 3Y 0.14%

FAQ About ADAR1 Capital Management, LLC and XNCR

These are the practical questions this page is built to answer before you even open the full history table.

How long has ADAR1 Capital Management, LLC reported owning XNCR?

ADAR1 Capital Management, LLC reported XNCR across 8 quarterly 13F filings, from 2024 Q3 through 2026 Q2.

What was the largest reported XNCR position in ADAR1 Capital Management, LLC's portfolio?

The largest reported portfolio weight for XNCR was 1.12% in 2024 Q3.

What is the latest reported XNCR position on this page?

The most recent filing on this page is 2026 Q2, when ADAR1 Capital Management, LLC reported 232,560 shares, equal to 0.17% of portfolio, with an estimated market value of $3.7M.

What does the chart on this XNCR ownership page compare?

The chart compares ADAR1 Capital Management, LLC's quarterly XNCR portfolio weight with the stock's indexed share price, so you can see whether the fund was building, trimming, or holding the position as price moved.

How well did ADAR1 Capital Management, LLC time their XNCR position?

Based on 13F filing dates vs. subsequent XNCR price moves, ADAR1 Capital Management, LLC correctly timed 3 out of 7 reported position changes (43%). The annualised alpha on XNCR relative to SPY over the holding period was +453.6%.

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