RIA

WHITE PINE CAPITAL LLC

Madison, WI SEC Registered Investment Advisor Institutional CIK: 0001137429
13F Score ?
14
3Y · Top 10 · Mgr Wt
13F Score ?
19
7Y · Top 10 · Mgr Wt
S&P 500 ?
80
Benchmark
$355M
AUM
+27.90%
2026 Q1
+37.57%
1-Year Return
+24.39%
Top 10 Concentration
+6.79%
Turnover
-2.26%
AUM Change
Since 2001
First Filing
228
# of Holdings

Fund Overview

13F Filed: 2026-05-11

As of 2026 Q1, White Pine Capital Llc manages $355M in reported 13F assets , holds 228 positions with +24.39% top-10 concentration , and delivered a 1-year return of +37.57% on its disclosed equity portfolio. Filing 13F reports since 2001.

About

Investment Strategy

Analytics Summary

Risk Profile

Key Personnel

C. Thomas Erb — Founder & Chief Investment Officer
Robert Siewert — Senior Portfolio Manager
Official 13F Filings — SEC EDGAR Key personnel and Fund Overview may contain mistakes

Activity Summary — 2026 Q1

Q1 2026 13F Filed: May 11, 2026

Top Buys

% $
Stock % Impact
+0.38%
+0.36%
+0.29%
+0.28%
+0.26%
+0.26%

Top Sells

% $
Stock % Impact
-0.95%
-0.43%
MMM 3M CO..
-0.41%
-0.39%
AXTI AXT INC..
-0.34%
-0.27%

Top Holdings

2026 Q1
Stock %
4.00%
3.70%
3.22%
2.78%
2.15%
1.77%
View All Holdings

Activity Summary

Latest
Market Value $355M
AUM Change -2.26%
New Positions 10
Increased Positions 70
Closed Positions 1
Top 10 Concentration +24.39%
Portfolio Turnover +6.79%
Alt Turnover +7.95%

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

WHITE PINE CAPITAL 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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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: WHITE PINE CAPITAL LLC

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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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Underperformance Analysis — Top 10 Holdings vs SPY

Backtesting WHITE PINE CAPITAL LLC's top 10 holdings against SPY identified 73 underperformance periods. Worst drawdown: 2009-03 – 2009-05 (-19.3% vs SPY, 3 quarters).

Avg. lag: -5.0% vs SPY Avg. duration: 2.2 quarters
Backtest Snapshot — Top 10 Holdings (Mn-Weighted)

The ticker-level breakdown shows how each of WHITE PINE CAPITAL 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: AXTI (2025 Q4 – 2025 Q4, +25.3 pts), AAPL (2021 Q2 – 2025 Q4, +10.4 pts), IVV (2021 Q4 – 2025 Q4, +6.9 pts), MSFT (2021 Q2 – 2025 Q4, +6.6 pts), GOOGL (2024 Q1 – 2025 Q4, +4.9 pts) .

Strategy ann.: 8.5% SPY ann.: 9.5% Period: 2001–2026
Best Recent Contributors — Last 5Y
1 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.
2025 Q4 – 2025 Q4 • 1Q in Top 10 Beat SPY
AXTI
+357%
SPY
+7%
Contrib
+25.3%
2021 Q2 – 2025 Q4 • 19Q in Top 10 Beat SPY
AAPL
+95%
SPY
+77%
Contrib
+10.4%
2021 Q4 – 2025 Q4 • 16Q in Top 10 Beat SPY
IVV
+99%
SPY
+99%
Contrib
+6.9%
2021 Q2 – 2025 Q4 • 19Q in Top 10 Lagged SPY
MSFT
+41%
SPY
+77%
Contrib
+6.6%
2024 Q1 – 2025 Q4 • 7Q in Top 10 Beat SPY
GOOGL
+83%
SPY
+32%
Contrib
+4.9%
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 White Pine Capital Llc invest in?
White Pine Capital LLC pursues a growth-at-a-reasonable-price (GARP) investment strategy focused on small and mid-capitalization equities, seeking quality companies with above-average growth trajectories trading at sensible valuations. The firm's **13F Portfolio Composition** characteristically reveals holdings in emerging growth businesses, niche market leaders, and established mid-cap companies whose competitive advantages and earnings trajectories are not yet fully reflected in market valuations. The investment philosophy combines thorough fundamental research with valuation discipline—seeking to identify companies possessing sustainable competitive advantages, capable management teams, strong unit economics, and the financial flexibility to invest through economic downturns. This quality orientation distinguishes the firm from speculative small-cap strategies that emphasize momentum or concept-driven investing without comparable attention to business quality and balance sheet resilience. **Sector Allocation History** across the firm's extensive filing record demonstrates diversified exposure within the small and mid-cap universe, spanning technology, healthcare, industrials, consumer, and financial sectors where differentiated smaller companies often possess genuine competitive advantages. The long filing history enables observation of how sector positioning has evolved through dramatically different market regimes—from the post-technology-bubble rotation through financial crisis restructuring, the extended post-crisis recovery, and the recent period of heightened small-cap volatility. Small and mid-cap GARP investing occupies a distinctive position in the investment landscape, targeting a segment of the market where institutional research coverage is thinner and information asymmetries more persistent than in heavily analyzed large-cap equities. This structural inefficiency provides fertile ground for fundamental managers with the research capacity and patience to develop proprietary insights.
What is White Pine Capital Llc's AUM?
White Pine Capital Llc reported $355M 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 White Pine Capital Llc's portfolio?
White Pine Capital Llc holds 228 disclosed positions. The top 10 holdings represent +24.39% of the reported portfolio, indicating a diversified investment approach.
How to track White Pine Capital Llc 13F filings?
Track White Pine Capital 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.
Who manages White Pine Capital Llc?
White Pine Capital Llc is managed by C. Thomas Erb (Founder & Chief Investment Officer), Robert Siewert (Senior Portfolio Manager).

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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