Josh Tarasoff - Greenlea Lane Capital Portfolio Q2'2025: Top Holdings & Recent Changes

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Josh Tarasoff, founder of Greenlea Lane Capital, continues to exemplify the power of concentrated, long-term investing with his Q2 2025 portfolio. Managing $355.5 million across just 9 positions, Tarasoff demonstrates extraordinary conviction in his highest-quality ideas. His latest 13F filing reveals minimal turnover at 11.1% and an impressive average holding period of 13 quarters, reflecting a patient capital approach that stands in stark contrast to the frenetic trading culture dominating modern markets. The quarter saw strategic additions to Brookfield Corporation and a notable reduction in Trupanion, signaling evolving views on specific positions while maintaining the portfolio's core structure.

The Art of Ultra-Concentration: A 9-Stock Masterclass

Josh Tarasoff Greenlea Lane Capital Portfolio Analysis
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Portfolio Highlights (Q2 2025): - Market Value: $355.5M - Top 10 Holdings: 100.0% - Portfolio Size: 9 +1 - Average Holding Period: 13 quarters - Turnover: 11.1%

Tarasoff's approach to portfolio construction represents one of the most concentrated strategies among tracked superinvestors on ValueSense's platform. With only 9 positions and 100% of assets allocated to his top 10 holdings, there is literally no room for diversification beyond these carefully selected businesses. This level of concentration requires extraordinary confidence in both the quality of the underlying businesses and the depth of research supporting each position.

The 13-quarter average holding period reveals Tarasoff's commitment to allowing his investment theses to play out over multi-year timeframes. This patience stands as a competitive advantage in markets increasingly dominated by short-term trading algorithms and quarterly performance pressures. The modest 11.1% turnover in Q2 2025 further demonstrates disciplined portfolio management, with changes made only when fundamentals or valuations shift materially.

Adding one new position while maintaining a 9-stock portfolio suggests Tarasoff found a compelling opportunity that met his extraordinarily high bar for quality and long-term value creation. This selectivity—combined with the willingness to hold concentrated positions for years—creates a portfolio that looks dramatically different from conventional diversified approaches.

Portfolio Architecture: Where Capital Flows

The Greenlea Lane portfolio showcases a fascinating blend of technology giants, alternative asset managers, and specialty insurance companies that share common threads of durable competitive advantages and management excellence. Amazon commands the largest allocation at 20.0% with 324,640 shares worth $71.2 million, representing unwavering conviction in the e-commerce and cloud computing leader despite maintaining an unchanged position size during the quarter.

Brookfield Corporation emerged as the quarter's most significant activity, with Tarasoff initiating or substantially increasing this position to 952,215 shares valued at $58.9 million, representing 16.6% of the portfolio. This addition signals confidence in Brookfield's alternative asset management platform and its ability to generate superior returns through infrastructure, renewable energy, and real estate investments. The timing suggests Tarasoff identified attractive entry valuation despite the company's strong long-term track record.

Berkshire Hathaway maintains a 13.7% allocation with 67 shares worth $48.8 million, representing a meta-investment approach where Tarasoff effectively gains exposure to Warren Buffett's capital allocation decisions. Burford Capital holds 12.9% of assets with 3,362,322 shares valued at $45.7 million, reflecting conviction in the legal finance specialist's ability to generate outsized returns through litigation funding. Markel Corporation occupies 12.6% with 22,455 shares worth $44.9 million, providing exposure to another Buffett-style insurance and investment operation.

Trupanion saw the quarter's most significant reduction, declining 15.83% to 764,095 shares worth $42.3 million and representing 11.9% of the portfolio. This partial exit suggests either valuation concerns or evolving views on the pet insurance company's competitive position, though the retention of a substantial stake indicates continued long-term belief in the business model. Tesla maintains a 7.1% allocation with 79,335 shares worth $25.2 million, while Alphabet rounds out the major positions at 5.2% with 104,770 shares valued at $18.5 million.

The portfolio's emphasis on technology leaders (Amazon, Tesla, Alphabet representing approximately 32% combined) balanced with alternative asset managers and specialty insurers creates a unique exposure profile. Each position represents businesses with network effects, scale advantages, or specialized expertise that creates wide moats around their economic castles.

Strategic Philosophy: Quality, Patience, and Conviction

Tarasoff's investment approach reveals several distinctive strategic elements that separate Greenlea Lane Capital from conventional investment firms. The extreme concentration demonstrates a quality-over-quantity philosophy where each position must clear an exceptionally high bar for long-term value creation potential. Rather than building a portfolio of 50-100 "good enough" ideas, Tarasoff focuses intensely on finding 8-10 exceptional businesses and sizing positions meaningfully.

Business quality obsession permeates the portfolio composition. Whether examining Amazon's flywheel effects in e-commerce and cloud computing, Berkshire's insurance float and capital allocation prowess, or Brookfield's infrastructure asset management scale, each holding exhibits durable competitive advantages that compound value over decades rather than quarters. This focus on structural business quality over temporary valuation dislocations reflects a long-term value creation mindset.

The portfolio also reveals sector agnosticism balanced with conviction. While technology represents the largest sector exposure, Tarasoff doesn't hesitate to allocate capital to specialty insurers, alternative asset managers, or pet insurance when businesses meet his quality criteria. This flexibility to follow opportunities across industries—combined with willingness to concentrate heavily when conviction warrants—creates a dynamic yet focused portfolio structure.

Valuation discipline manifests through selective additions and reductions. The Trupanion trimming during Q2 2025 suggests Tarasoff actively manages position sizes based on evolving risk-reward profiles rather than permanently holding positions regardless of valuation. Similarly, the Brookfield addition indicates opportunistic deployment when quality businesses trade at attractive prices.

Portfolio Concentration Analysis

PositionValue% of PortfolioRecent Change
Amazon.com, Inc.$71.2M20.0%No change
BROOKFIELD CORP CL A LTD VT SH$58.9M16.6%Buy
BERKSHIRE HATHAWAY INC DEL$48.8M13.7%No change
BURFORD CAPITAL LTD$45.7M12.9%No change
MARKEL CORP COM$44.9M12.6%No change
TRUPANION INC$42.3M11.9%Reduce 15.83%
Tesla, Inc.$25.2M7.1%No change
Alphabet Inc.$18.5M5.2%No change
Amazon.com, Inc.$71.2K0.0%No change

The concentration metrics tell a powerful story about Tarasoff's conviction-weighted approach. The top three positions—Amazon, Brookfield, and Berkshire Hathaway—control exactly 50.3% of total portfolio value, creating a core triumvirate that will largely determine overall portfolio performance. This willingness to let winners run while maintaining meaningful positions reflects confidence in both the initial investment theses and ongoing business quality.

The relatively tight distribution of weights from the #4 position (Burford at 12.9%) through #7 (Trupanion at 11.9%) demonstrates thoughtful position sizing where multiple holdings receive substantial capital commitments rather than tapering dramatically after the top positions. This structure suggests Tarasoff views positions 1-7 as similarly compelling opportunities rather than having one or two dominant ideas with everything else as afterthoughts.

Investment Lessons from Josh Tarasoff's Concentrated Approach

Concentration requires conviction built on deep research. Managing a 9-stock portfolio isn't simply about picking good companies—it demands exhaustive analysis to justify placing 10-20% of capital in single positions. Tarasoff's 13-quarter average holding period suggests research depth that extends beyond quarterly earnings to understanding sustainable competitive advantages and decade-long value creation trajectories.

Portfolio turnover should be deliberately low. The 11.1% quarterly turnover reflects a conviction that constant portfolio reshuffling destroys value through transaction costs and mistakes. By maintaining positions across multiple years, Tarasoff allows compound interest to work its magic while avoiding the behavioral pitfalls of overtrading and overreacting to short-term volatility.

Position sizing communicates conviction levels. The meaningful difference between a 20% position (Amazon) and a 5% position (Alphabet) signals not just relative conviction but willingness to let portfolio results be determined by a handful of high-conviction ideas rather than diluting returns through excessive diversification.

Quality businesses justify patient capital. The portfolio's emphasis on companies with durable moats and secular tailwinds reflects understanding that truly exceptional businesses compound value over decades. This patience to hold through inevitable volatility and temporary setbacks separates long-term wealth creation from short-term performance chasing.

Selective activity demonstrates discipline. The combination of "No change" on most positions with strategic moves on Brookfield and Trupanion shows Tarasoff isn't trading for activity's sake. Changes reflect material shifts in fundamentals or valuations rather than portfolio tinkering to justify management fees.

Looking Ahead: Capital Deployment in Uncertain Markets

With only 9 positions and 100% of capital deployed, Tarasoff's portfolio structure leaves little room for new ideas without reducing existing holdings. This fully invested posture suggests current market valuations—despite macro uncertainties—offer compelling opportunities in his highest-conviction ideas. The willingness to maintain full exposure rather than building cash positions indicates confidence in the portfolio's resilience across various economic scenarios.

The Brookfield addition during Q2 2025 demonstrates ongoing opportunism when quality businesses experience temporary valuation dislocations. As alternative asset management continues evolving and infrastructure investments gain strategic importance globally, this position could grow substantially if Tarasoff's thesis plays out. The infrastructure and renewable energy exposure also provides portfolio diversification beyond pure technology equity risk.

The partial Trupanion exit warrants monitoring in future 13F filings. If further reductions continue, it could signal deteriorating competitive dynamics in pet insurance or valuation concerns that make the position less attractive relative to other opportunities. Conversely, if the position stabilizes at current levels, the 15.83% reduction may simply represent portfolio rebalancing after strong performance.

Amazon's unchanged 20% weighting despite being the portfolio's largest position reflects extraordinary conviction in the company's long-term trajectory. Whether through AWS growth, advertising platform expansion, or e-commerce margin improvement, Tarasoff clearly sees multi-year value creation ahead that justifies maintaining such concentrated exposure.

FAQ about Josh Tarasoff's Greenlea Lane Capital Portfolio

Q: How does Tarasoff's 9-stock portfolio compare to typical fund manager concentration levels?

Tarasoff's 9-position portfolio represents extreme concentration even among focused investors. Most actively managed funds hold 30-100 positions, while many "concentrated" funds maintain 15-25 stocks. Managing $355.5 million across just 9 businesses requires exceptional conviction and research depth, as each position materially impacts overall portfolio returns. This approach aligns more closely with hedge fund concentration than traditional long-only fund management.

Q: What's the significance of the 13-quarter average holding period?

A 13-quarter (3.25-year) average holding period demonstrates remarkable patience in today's markets. This timeframe allows fundamental business improvements to compound, management teams to execute strategic plans, and valuations to reflect intrinsic value changes. It also minimizes tax drag from short-term capital gains and reduces transaction costs from excessive trading. Tarasoff's willingness to hold through market volatility and temporary business challenges separates his approach from traders focused on quarterly performance.

Q: Why does Tarasoff hold both Amazon equity and what appears to be duplicate Amazon positions?

The duplicate Amazon entries in the 13F filing likely represent different share classes or reporting artifacts. The primary position of 324,640 shares worth $71.2 million represents the meaningful economic exposure, while the $71.2K position may reflect call options, share class differences, or reporting technicalities. Investors should focus on the primary $71.2 million position as representing Tarasoff's actual Amazon allocation.

Q: How can investors track changes to Greenlea Lane Capital's portfolio?

Investors can monitor Tarasoff's portfolio through quarterly 13F filings, which institutional investment managers must file within 45 days of quarter-end. ValueSense tracks Greenlea Lane Capital's holdings and provides detailed analysis of position changes, portfolio composition, and historical trends. Keep in mind the 45-day reporting lag means current holdings may differ from the most recent 13F, and the filings only capture long equity positions, not short positions, cash, or non-equity securities.

Q: What does the Brookfield addition signal about Tarasoff's current market views?

The significant Brookfield position addition suggests Tarasoff sees compelling value in alternative asset management, infrastructure investments, and real assets. This move could reflect views on inflation protection, infrastructure spending tailwinds, or simply attractive valuation in a quality compounder. Brookfield's global platform spanning renewable energy, infrastructure, real estate, and private equity provides diversified exposure to secular trends while offering downside protection through real asset backing.


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