Asset Manager

STONERIDGE INVESTMENT PARTNERS LLC — 13F Portfolio

Malvern, PA SEC Registered Investment Advisor; Institutional Investment Manager filing Form 13F Institutional CIK: 0001108831
13F Score ?
11
3Y · Top 10 · Mgr Wt
13F Score ?
18
7Y · Top 10 · Mgr Wt
S&P 500 ?
80
Benchmark
$138K
AUM
+7.70%
2026 Q1
+14.01%
1-Year Return
+40.71%
Top 10 Concentration
+30.19%
Turnover
-3.77%
AUM Change
Since 2000
First Filing
128
# of Holdings

Fund Overview

13F Filed: 2026-05-06

As of 2026 Q1, Stoneridge Investment Partners Llc manages $138K in reported 13F assets , holds 128 positions with +40.71% top-10 concentration , and delivered a 1-year return of +14.01% on its disclosed equity portfolio. Filing 13F reports since 2000. View full holdings list →

About

Investment Strategy

Analytics Summary

Risk Profile

Official 13F Filings — SEC EDGAR Key personnel and Fund Overview may contain mistakes

Activity Summary — 2026 Q1

Q1 2026 13F Filed: May 6, 2026

Top Buys

% $
Stock % Impact
+4.52%
+3.76%
+1.54%
+1.43%
+1.14%
+0.99%

Top Sells

% $
Stock % Impact
Sold All 😨 Was: 3.45% -3.58%
Sold All 😨 Was: 1.91% -1.98%
-1.43%
Sold All 😨 Was: 1.35% -1.40%
-1.23%
Sold All 😨 Was: 1.12% -1.17%

Top Holdings

2026 Q1 Top 6 mgr. wt. · 2026 Q1+7.70%
Stock %
NVDA Nvidia..
5.37%
AAPL Apple..
5.36%
5.09%
4.52%
AMZN Amazon..
4.45%
3.76%
View All Holdings

Activity Summary

Latest
Market Value $138K
AUM Change -3.77%
New Positions 30
Increased Positions 16
Closed Positions 28
Top 10 Concentration +40.71%
Portfolio Turnover +30.19%
Alt Turnover +32.15%

Sector Allocation Trends

Quarterly History
Free View: Last 10 Quarters. Subscribe to see full history

Holdings Analysis

Size: % of Portfolio Color: Last Full-Quarter Return No data
Free: 10 quarters

Positions Dynamics

Visualizing Top 20 holdings weight history over the last 10 quarters.

Portfolio Analytics — Latest

STONERIDGE INVESTMENT PARTNERS LLC risk dashboard covering volatility, beta, value-at-risk, drawdowns, concentration, factor tilts, benchmark comparison, and stress testing for the latest disclosed portfolio.

Risk access
Building institutional risk profile...
Guru Intelligence Hub Pro
Real-time Analytics
High-Conviction Alpha
AAPL 92.4
NVDA 88.1
MSFT 74.3
Strategy Guardian
Style Drift 0.12
Sector Rotation 0.38

Tracking institutional benchmark deviation

Scenario Lab
2008 GFC -32.4%
Covid-19 -18.1%
2022 Bear -24.7%
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Real conviction scores for every holding  ·  Strategy Guardian alerts  ·  Live Scenario Lab stress tests
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Best Strategy vs. Benchmarks

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Returns
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Latest Quarter
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1-Year Return
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Ann. Return
Risk
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Std Deviation
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Max Drawdown
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Beta vs SPY
Quality
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Sharpe
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Sortino
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Win Rate
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Payoff Ratio
Edge Metrics Last 10 quarters only
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Alpha annualized
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Up Capture
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Down Capture

Strategy Backtester: STONERIDGE INVESTMENT PARTNERS LLC

Replicate top holdings performance • Compare vs benchmarks • Optimize N

Find the best N! Test multiple portfolio sizes at once to discover the optimal configuration.

Risk insights! Identify periods when the fund lagged the benchmark – critical for timing entries.

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+127%
Avg. Return

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Underperformance Analysis — Top 10 Holdings vs SPY

Backtesting STONERIDGE INVESTMENT PARTNERS LLC's top 10 holdings against SPY identified 79 underperformance periods. Worst drawdown: 2012-11 – 2013-11 (-28.1% vs SPY, 13 quarters).

Avg. lag: -4.8% vs SPY Avg. duration: 2.3 quarters
Backtest Snapshot — Top 10 Holdings (Mn-Weighted)

The ticker-level breakdown shows how each of STONERIDGE INVESTMENT PARTNERS LLC's top holdings contributed to portfolio returns quarter by quarter. Strongest recent contributors inside the last 5 years of the quarterly Top 10 backtest window: NVDA (2024 Q1 – 2025 Q4, +13.0 pts), AAPL (2021 Q2 – 2025 Q4, +11.6 pts), GOOG (2021 Q2 – 2025 Q4, +9.6 pts), MSFT (2021 Q2 – 2025 Q4, +8.7 pts), AMZN (2021 Q2 – 2025 Q4, +7.1 pts) .

Strategy ann.: 6.6% SPY ann.: 8.3% Period: 2000–2026
Best Recent Contributors — Last 5Y
2 of 5 recent top contributors lagged SPY, which means even some of this fund's best return drivers still failed to beat a simple index over the same window.
2024 Q1 – 2025 Q4 • 8Q in Top 10 Beat SPY
NVDA
+114%
SPY
+45%
Contrib
+13.0%
2021 Q2 – 2025 Q4 • 19Q in Top 10 Beat SPY
AAPL
+91%
SPY
+78%
Contrib
+11.6%
2021 Q2 – 2025 Q4 • 15Q in Top 10 Beat SPY
GOOG
+207%
SPY
+69%
Contrib
+9.6%
2021 Q2 – 2025 Q4 • 19Q in Top 10 Lagged SPY
MSFT
+43%
SPY
+78%
Contrib
+8.7%
2021 Q2 – 2025 Q4 • 18Q in Top 10 Lagged SPY
AMZN
+65%
SPY
+67%
Contrib
+7.1%
Stock return (green = beat SPY)   Stock return (red = lagged SPY)   SPY same period   Cumulative contribution during the last 5 years of the quarterly Mn-weighted Top 10 strategy

Frequently Asked Questions

What does Stoneridge Investment Partners Llc invest in?
Stoneridge Investment Partners pursues a systematic, factor-based approach to U.S. equities, with an emphasis on small- and mid-cap value/core strategies. The investment process is quantitative but grounded in economic intuition, seeking to exploit persistent sources of return such as value, quality, momentum, and earnings-related signals. Key elements of the strategy typically include: - **Multi-factor stock selection:** Proprietary models rank securities within the investable universe based on valuation metrics (e.g., price-to-book, price-to-cash-flow), quality indicators (balance sheet strength, profitability), earnings dynamics (revisions, surprises), and price trends. The goal is to identify attractively valued companies with improving fundamentals and controlled downside risk. - **Risk-aware portfolio construction:** Portfolios are built to achieve high active share and factor exposure while controlling unintended bets. Constraints on sector weights, individual position sizes, liquidity, and benchmark-relative country/industry exposures are embedded in the optimization process. - **Benchmark-aware implementation:** Strategies are typically linked to recognized indices (for example, small- or mid-cap core/value benchmarks). The process aims to generate excess return through factor tilts and stock selection rather than through large macro or sector overweights. The resulting 13F-reported portfolios tend to be diversified across sectors, with natural tilts toward industries where value and quality opportunities are more prevalent—such as financials, industrials, and selected consumer and technology names—without becoming sector funds. Portfolios generally hold a moderate number of securities, sufficient to diversify idiosyncratic risk while preserving the efficacy of factor tilts. Turnover is low to moderate. Rebalancing typically occurs on a periodic schedule (for example, quarterly or semiannually) to refresh factor exposures and manage risk, with trading activity driven by changes in model rankings, fundamentals, and risk constraints rather than discretionary market timing. Over a sequence of 13F filings, allocators will usually observe gradual evolution in holdings rather than abrupt, high-frequency shifts. When Stoneridge’s 13F History is loaded into a Portfolio Simulator or Backtesting Service, the disclosed positions can be translated into a normalized notional portfolio that approximates the behaviour of its long-only U.S. equity sleeve. Under standardized rebalancing assumptions, this supports construction of a 13F-derived **Historical Track Record** that can be evaluated relative to small- and mid-cap benchmarks and to other quantitatively oriented managers.
What is Stoneridge Investment Partners Llc's AUM?
Stoneridge Investment Partners Llc reported $138K in 13F assets as of 2026 Q1. Note: 13F AUM reflects only long equity positions reported to the SEC and may differ from total assets under management.
How concentrated is Stoneridge Investment Partners Llc's portfolio?
Stoneridge Investment Partners Llc holds 128 disclosed positions. The top 10 holdings represent +40.71% of the reported portfolio, indicating a diversified investment approach.
How to track Stoneridge Investment Partners Llc 13F filings?
Track Stoneridge Investment Partners Llc's quarterly filings on SEC EDGAR or on this page — data is updated within days of each filing deadline. Subscribe to 13Foresight for position-change alerts.

Disclaimer: 13Foresight is not a registered investment adviser, broker-dealer, or financial planner. All information on this site is provided solely for informational and educational purposes and does not constitute investment advice, a solicitation, or a recommendation to buy or sell any security. Portfolio backtests shown on this page are hypothetical and simulated — they do not represent actual trading results and were constructed with the benefit of hindsight. Actual results would differ materially. 13F filings disclose only long equity positions valued above $10,000, submitted up to 45 days after quarter-end; they do not capture short positions, options, bonds, cash, private investments, or non-U.S. securities. A fund's backtest performance may not reflect its actual returns, as managers frequently generate alpha through strategies not visible in 13F data. Past performance is not indicative of future results. All data sourced from public SEC EDGAR filings. Use at your own risk. Full Terms of Use.

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