GERN β€” GERON CORP

Ownership history in RA CAPITAL MANAGEMENT, L.P.  Β·  45 quarters on record

This page tracks every 13F SEC filing in which RA CAPITAL MANAGEMENT, L.P. reported a position in GERON CORP (GERN). 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
2.59% (2024 Q2)
πŸ“Š Avg. % of fund
1.07%
πŸ“… First filed
2007 Q4
πŸ“… Last filed
2025 Q4
⏱ Quarters held
45

Position Intelligence

RA CAPITAL MANAGEMENT, L.P. Γ— GERN AI Analytics

πŸ“‰ RA CAPITAL MANAGEMENT, L.P. underperformed the S&P 500 by –17.0% annually on this GERN position. Timing score: 62% (5/8 decisions correct). Average cost basis: $3.57. Maximum drawdown during holding period: –86.1%.

πŸ“ˆ Position Alpha vs SPY
-17.0%
annualised excess return

❌ Significantly underperformed the S&P 500 by 17.0% ann.
11 quarters analyzed

⏱️ Timing Score
62%

βœ… Decent timing β€” more right than wrong on entries and exits.
5 of 8 add/trim decisions correct

πŸ’° Entry Quality
$3.57
-63.0% vs current ($1.32)

Best entry: $1.32 (2025 Q4)  Β·  Worst: $5.37 (2007 Q4)

πŸ›‘οΈ Drawdown Resilience
–86.1%
max drawdown while held

πŸ’ͺ Held through 2 major drawdowns (>20%).

πŸ’ͺ Fund Conviction
56%
buy-side decisions

5 adds Β· 4 trims. Bought during 4 of 27 down-price quarters. πŸ“ˆ More buys than sells across the holding period.

πŸ“‘ Position Trajectory
↓ Shrinking
last 4–5 quarters trend

πŸ“‰ Portfolio weight has been declining in recent quarters. Possible distribution phase.
Currently 0.86% 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)    GERN 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 63,771,366 +3,392,000 +5.6% 0.86% $84.2M $1.32
2025 Q3 UNCHANGED 60,379,366 β€” 0% 1.02% $82.7M $1.37
2025 Q2 UNCHANGED 60,379,366 β€” 0% 1.43% $85.1M $1.41
2025 Q1 ADDED 60,379,366 +30,369,830 +101.2% 1.60% $96.0M $1.59
2024 Q4 REDUCED 30,009,536 -2,276,219 -7.1% 1.41% $106.2M $3.54
2024 Q3 REDUCED 32,285,755 -13,916,670 -30.1% 1.69% $146.6M $4.54
2024 Q2 UNCHANGED 46,202,425 β€” 0% 2.59% $195.9M $4.24
2024 Q1 UNCHANGED 46,202,425 β€” 0% 1.96% $152.5M $3.30
2023 Q4 UNCHANGED 46,202,425 β€” 0% 1.52% $97.5M $2.11
2023 Q3 ADDED 46,202,425 +14,657,619 +46.5% 1.94% $97.9M $2.12
35 older quarters hidden  β€”  Sign in free or upgrade to Premium to see full history
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