XNCR β€” XENCOR INC

Ownership history in Aberdeen Group plc  Β·  8 quarters on record

This page tracks every 13F SEC filing in which Aberdeen Group plc reported a position in XENCOR INC (XNCR). Data includes quarterly share count, position size as % of portfolio, estimated market value, and end-of-quarter stock price β€” sourced directly from SEC EDGAR 13F filings.

πŸ” Peak position
0.01% (2025 Q3)
πŸ“Š Avg. % of fund
0.01%
πŸ“… First filed
2023 Q4
πŸ“… Last filed
2025 Q3
⏱ Quarters held
8

Position Intelligence

Aberdeen Group plc Γ— XNCR AI Analytics

πŸ“‰ Aberdeen Group plc underperformed the S&P 500 by –34.5% annually on this XNCR position. Average cost basis: $9.32. Maximum drawdown during holding period: –65.8%.

πŸ“ˆ Position Alpha vs SPY
-34.5%
annualised excess return

❌ Significantly underperformed the S&P 500 by 34.5% ann.
6 quarters analyzed

πŸ’° Entry Quality
$9.32
+25.9% vs current ($11.73)

Best entry: $7.86 (2025 Q2)  Β·  Worst: $10.64 (2025 Q1)

πŸ›‘οΈ Drawdown Resilience
–65.8%
max drawdown while held

πŸ’ͺ Held through 1 major drawdown (>20%). Strong conviction under pressure.

πŸ’ͺ Fund Conviction
100%
buy-side decisions

3 adds Β· 0 trims. Bought during 2 of 3 down-price quarters. πŸ‚ Consistently bullish β€” fund kept accumulating this position.

πŸ“‘ Position Trajectory
β†’ Stable
last 4–5 quarters trend

βš–οΈ Portfolio weight has remained relatively stable β€” conviction maintained.
Currently 0.01% of portfolio

⚠ Based on quarterly 13F SEC filings and end-of-quarter closing prices. Timing score = accuracy of add/trim decisions vs next-quarter price direction. Alpha = mean quarterly excess return Γ— 4 (annualised). Not investment advice.

% of Fund (quarterly)    XNCR price (monthly, adj. close)
πŸ“‹ Quarterly Holdings History 8 quarters  β–Ύ
Quarter Action Shares Change Chg % % of Fund Mkt Value Price (EOQ)
2025 Q3 UNCHANGED 558,810 β€” 0% 0.01% $6.6M $11.73
2025 Q2 ADDED 558,810 +181,698 +48.2% 0.01% $4.4M $7.86
2025 Q1 ADDED 377,112 +201,592 +114.9% 0.01% $4.0M $10.64
2024 Q4 UNCHANGED 175,520 β€” 0% 0.01% $4.0M $22.98
2024 Q3 UNCHANGED 175,520 β€” 0% 0.01% $3.5M $20.11
2024 Q2 UNCHANGED 175,520 β€” 0% 0.01% $3.3M $18.93
2024 Q1 UNCHANGED 175,520 β€” 0% 0.01% $3.9M $22.13
2023 Q4 INITIATED 175,520 β€” β€” 0.01% $3.7M β€”

🏒 Other funds also holding XNCR

As of 2025 Q4 β€” sorted by position size

BVF INC/IL 3Y 7Y 3.68% EcoR1 Capital, LLC 3Y 7Y 2.26% Lynx1 Capital Management LP 3Y 2.19% JOHNSON & JOHNSON 3Y 2.06% Seven Fleet Capital Management LP 1.28% TCG Crossover Management, LLC 3Y 1.24% RTW INVESTMENTS, LP 3Y 7Y 1.04% DCF Advisers, LLC 3Y 0.64% Essex LLC 3Y 0.27% Rhenman & Partners Asset Management AB 3Y 7Y 0.24%
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