KYNB β€” FIBROGEN INC

Ownership history in RENAISSANCE TECHNOLOGIES LLC  Β·  10 quarters on record

This page tracks every 13F SEC filing in which RENAISSANCE TECHNOLOGIES LLC reported a position in FIBROGEN INC (KYNB). 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.

Position Intelligence

RENAISSANCE TECHNOLOGIES LLC Γ— KYNB AI Analytics

πŸ“ˆ RENAISSANCE TECHNOLOGIES LLC outperformed the S&P 500 by +184.0% annually on this KYNB position. Average cost basis: $11.84. Maximum drawdown during holding period: –28.3%.

πŸ“ˆ Position Alpha vs SPY
+184.0%
annualised excess return

πŸ”₯ Exceptional β€” beat the S&P 500 by 184.0% per year on this position.
2 quarters analyzed

πŸ’° Entry Quality
$11.84
-25.8% vs current ($8.78)

Best entry: $8.78 (2025 Q4)  Β·  Worst: $12.25 (2025 Q3)

πŸ›‘οΈ Drawdown Resilience
–28.3%
max drawdown while held

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

πŸ’ͺ Fund Conviction
75%
buy-side decisions

3 adds Β· 1 trim. Bought during 1 of 1 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 0.0% 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)    KYNB price (monthly, adj. close)
πŸ“‹ Quarterly Holdings History 10 quarters  β–Ύ
Quarter Action Shares Change Chg % % of Fund Mkt Value Price (EOQ)
2025 Q4 ADDED 31,681 +2,400 +8.2% 0.00% $278K $8.78
2025 Q3 ADDED 29,281 +18,100 +161.9% 0.00% $359K $12.25
2025 Q2 REDUCED 11,181 -20,500 -64.7% 0.00% $59K $5.30
2000 Q3 UNCHANGED 31,681 β€” 0% 0.00% $278K β€”
2000 Q2 UNCHANGED 31,681 β€” 0% 0.00% $278K β€”
2000 Q1 UNCHANGED 31,681 β€” 0% 0.00% $278K β€”
1999 Q4 UNCHANGED 31,681 β€” 0% 0.00% $278K β€”
1999 Q3 UNCHANGED 31,681 β€” 0% 0.00% $278K β€”
1999 Q2 UNCHANGED 31,681 β€” 0% 0.00% $278K β€”
1999 Q1 INITIATED 31,681 β€” β€” 0.00% $278K β€”

🏒 Other funds also holding KYNB

As of 2025 Q4 β€” sorted by position size

ARMISTICE CAPITAL, LLC 3Y 7Y 0.04% DRW Securities, LLC 3Y 7Y 0.01% ADAR1 Capital Management, LLC 0.01% ACADIAN ASSET MANAGEMENT LLC 3Y 7Y 0.0% TWO SIGMA INVESTMENTS, LP 3Y 7Y 0.0% TWO SIGMA ADVISERS, LP 3Y 7Y 0.0% HighTower Advisors, LLC 3Y 7Y 0.0% MARSHALL WACE, LLP 3Y 7Y 0.0% SUSQUEHANNA INTERNATIONAL GROUP, LLP 3Y 7Y 0.0% Corient Private Wealth LLC 3Y 0.0%
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