RC
Ridgeback Capital Investments L.P. — 13F Portfolio Analysis & Stock Picks (Q2 2026)
Ridgeback Capital Investments L.P.CIK: 0001423994
High-turnover traderConcentrated strategyContrarian
Total reported value
$80.9M
Reporting period: 2026-06-30 · Number of holdings: 1
Ridgeback Capital Investments L.P. disclosed 1 holdings in its latest 13F filing for the period ending 2026-06-30, with total reported value of $80.9M and a quarterly turnover rate of 100.0%.
Browse other institutions with under $100M AUMBrowse other institutions starting with "R"
Personality snowflake
- Concentration
- 100
- Portfolio Stability
- 100
- Momentum
- 0
- Sector conviction
- 0
- Diversification
- 2
- Sizing Uniformity
- —
Sector classification currently covers about 0% of this portfolio's disclosed value; the remainder includes holdings (e.g. unmapped tickers, options, or other security types) not yet covered by our sector mapping.
Source and citation information
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Recent moves
View source Form 13F filing on SEC.govNew buy REPL
Unchanged 000000000
Holdings Map
New buyAddUnchangedTrim
Top 10 holdings by weight
Full holdings list this quarter
| # | Ticker | Issuer | Asset Subclass | Weight | Weight Change | Shares Change | 4Q Trend |
|---|---|---|---|---|---|---|---|
| 1 | REPL | Replimune Group Inc | Stock-Other | 100.00% | +100.00% | NEW |
Portfolio Performance
Performance for Q3 2026
—
Performance Last 4 Quarters
—
- Stdev
- +43%
- Beta
- +1.51
- Alpha
- -48.9%
- Max Drawdown
- -35%
- Annualized Perf
- -36.5%
- Batting Avg vs S&P
- +33.3%
- Sortino
- -1.08
- Stutzer
- -0.27
- Treynor
- -0.24
- Sterling
- —
- Calmar
- -1.04
- Information Ratio
- -1.26
- Tracking Error
- +35.6%
- Stdev Down
- +34%
- Winning Months %
- +33.3%
- Losing Months %
- +66.7%
- Best 12 Months
- —
- Worst 12 Months
- —
- Efficiency Ratio
- +0.32
- Sharpe
- -0.85
- Stdev Sectors
- —
- Skewness
- +0.14
- Kurtosis
- -1.54
- Upside Potential
- +1.31
Reported value over time
Sector allocation
Not enough sector-mapped data yet
Sector allocation over time
Quarterly history
| Period | Holdings | Total value | Stability | Top holdings | |
|---|---|---|---|---|---|
| 2026 Q2 | 1 | $80.9M | 100 | ||
| 2026 Q1 | 1 | — | 0 | ||
| 2025 Q4 | 1 | — | 0 | ||
| 2025 Q3 | 1 | — | 0 | ||
| 2025 Q2 | 1 | — | 0 | ||
| 2025 Q1 | 1 | — | 0 | ||
| 2024 Q4 | 1 | $560.4K | 0 | ||
| 2024 Q3 | 1 | — | 0 | ||
| 2024 Q2 | 1 | — | 0 | ||
| 2024 Q1 | 1 | — | 0 | ||
| 2023 Q4 | 2 | $24.6B | 0 | ||
| 2023 Q3 | 1 | — | 0 | ||
| 2023 Q2 | 1 | — | 0 | ||
| 2023 Q1 | 1 | — | 0 | ||
| 2022 Q4 | 3 | $83.3M | 0 | ||
| 2022 Q3 | 1 | — | 0 | ||
| 2022 Q2 | 1 | — | 0 | ||
| 2022 Q1 | 1 | — | 0 | ||
| 2021 Q4 | 3 | $183.6M | 0 | ||
| 2021 Q3 | 1 | — | 0 | ||
| 2021 Q2 | 1 | — | 0 | ||
| 2021 Q1 | 1 | — | 0 | ||
| 2020 Q4 | 1 | — | 0 | ||
| 2020 Q3 | 1 | — | 0 | ||
| 2020 Q2 | 1 | — | 0 | ||
| 2020 Q1 | 1 | — | 0 | ||
| 2019 Q4 | 1 | — | 0 | ||
| 2019 Q3 | 1 | — | 0 | ||
| 2019 Q2 | 1 | — | 0 | ||
| 2019 Q1 | 1 | — | 100 | ||
| 2018 Q4 | 1 | $37.0M | 100 | ||
| 2018 Q3 | 1 | — | 0 | ||
| 2018 Q2 | 1 | — | 0 | ||
| 2018 Q1 | 1 | — | 0 | ||
| 2017 Q4 | 1 | — | 0 | ||
| 2017 Q3 | 1 | — | 0 | ||
| 2017 Q2 | 1 | — | 0 | ||
| 2017 Q1 | 1 | — | 0 | ||
| 2016 Q4 | 1 | — | 0 | ||
| 2016 Q3 | 1 | — | 0 | ||
| 2016 Q2 | 1 | — | 0 | ||
| 2016 Q1 | 1 | — | 100 | ||
| 2015 Q4 | 4 | $23.2M | 100 | ||
| 2015 Q3 | 1 | — | 0 | ||
| 2015 Q2 | 1 | — | 0 | ||
| 2015 Q1 | 1 | — | 100 | ||
| 2014 Q4 | 1 | $28.7M | 100 | ||
| 2014 Q3 | 1 | — | 0 | ||
| 2014 Q2 | 1 | — | 0 | ||
| 2014 Q1 | 1 | — | 100 | ||
| 2013 Q4 | 5 | $79.1M | 100 | ||
| 2013 Q3 | 1 | — | 0 | ||
| 2013 Q2 | 1 | — | 0 |
Holding changes this quarter
Ridgeback Capital Investments L.P.'s most significant position changes for 2026-06-30: New buy: Replimune Group Inc (REPL).
| # | Ticker | Issuer | Weight Change | Shares Change | Action |
|---|---|---|---|---|---|
| 1 | REPL | Replimune Group Inc | — | NEW | New buy |
| 2 | ✓ | Ikena Oncology Inc | — | — | Unchanged |
Filing History
FAQ
What is Ridgeback Capital Investments L.P. and what type of investor is it?
Ridgeback Capital Investments L.P. is an investment manager that files SEC Form 13F quarterly, disclosing its U.S. public equity holdings to regulators. As of the most recent reporting period (2026-06-30), the firm manages a tracked equity portfolio valued at approximately $80.9M, spread across 1 disclosed positions.
What are Ridgeback Capital Investments L.P.'s largest equity positions?
Based on the latest 13F filing, Ridgeback Capital Investments L.P.'s top holdings by market value are:
1. Replimune Group Inc (REPL) — $80.9M (100.0%)
What changes did Ridgeback Capital Investments L.P. make in its most recent portfolio filing?
In the latest quarter, Ridgeback Capital Investments L.P. was primarily adding exposure — initiating 1 new positions and adding to 0 existing holdings. The largest of these moves: New buy: Replimune Group Inc (REPL)
What sectors does Ridgeback Capital Investments L.P. focus on?
Sector breakdown data is not yet available for Ridgeback Capital Investments L.P.. Check back after the next 13F processing cycle.
Investment Profile
Ridgeback Capital Investments L.P. returned an annualized -36.5% over the trailing 6 months — underperforming the S&P 500 by 48.9 points — based on a reconstructed track record of its disclosed 13F positions, with a beta of 1.51 (more volatile than the market) and a 33% quarterly batting average against the index.
Its portfolio is concentrated and fast-trading.
Its concentration score has risen from 0 to 100 over the past 4 quarters — a shift toward higher-conviction positions.
Peer Institutions
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Sector conviction66.8
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BR
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View detail
LP
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Total reported value
$81.0M
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Sector conviction48.3
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View detail
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Developer Access
Access Ridgeback Capital Investments L.P.'s institutional profile programmatically:
REST API
curl https://alphasmo.com/api/v1/institutions/ridgeback-capital-investments-l-pCLI
npx alphasmo institutions get ridgeback-capital-investments-l-p