STRO β€” SUTRO BIOPHARMA INC

Ownership history in Eversept Partners, LP  Β·  11 quarters on record

This page tracks every 13F SEC filing in which Eversept Partners, LP reported a position in SUTRO BIOPHARMA INC (STRO). 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
0.44% (2024 Q3)
πŸ“Š Avg. % of fund
0.26%
πŸ“… First filed
2023 Q2
πŸ“… Last filed
2025 Q4
⏱ Quarters held
11

Position Intelligence

Eversept Partners, LP Γ— STRO AI Analytics

πŸ“‰ Eversept Partners, LP underperformed the S&P 500 by –38.2% annually on this STRO position. Timing score: 56% (5/9 decisions correct). Average cost basis: $24.05. Maximum drawdown during holding period: –88.5%.

πŸ“ˆ Position Alpha vs SPY
-38.2%
annualised excess return

❌ Significantly underperformed the S&P 500 by 38.2% ann.
10 quarters analyzed

⏱️ Timing Score
56%

βœ… Decent timing β€” more right than wrong on entries and exits.
5 of 9 add/trim decisions correct

πŸ’° Entry Quality
$24.05
-51.9% vs current ($11.57)

Best entry: $6.50 (2025 Q1)  Β·  Worst: $56.50 (2024 Q1)

πŸ›‘οΈ Drawdown Resilience
–88.5%
max drawdown while held

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

πŸ’ͺ Fund Conviction
70%
buy-side decisions

7 adds Β· 3 trims. Bought during 3 of 4 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 0.11% 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)    STRO 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 REDUCED 193,571 -2,097,742 -91.6% 0.11% $2.2M $11.57
2025 Q3 REDUCED 2,291,313 -948 -0.0% 0.14% $2.0M $8.70
2025 Q2 UNCHANGED 2,292,261 β€” 0% 0.15% $1.6M $7.10
2025 Q1 ADDED 2,292,261 +1,597,853 +230.1% 0.15% $1.5M $6.50
2024 Q4 REDUCED 694,408 -1,147,581 -62.3% 0.11% $1.3M $18.40
2024 Q3 ADDED 1,841,989 +102,860 +5.9% 0.44% $6.4M $34.60
2024 Q2 ADDED 1,739,129 +647,710 +59.3% 0.35% $5.1M $29.30
2024 Q1 ADDED 1,091,419 +34,958 +3.3% 0.41% $6.2M $56.50
2023 Q4 ADDED 1,056,461 +286,823 +37.3% 0.40% $4.5M $42.90
2023 Q3 ADDED 769,638 +21,726 +2.9% 0.23% $2.7M $34.70
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