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The Q2 2026 13F filing period has concluded. Examining the portfolio updates from Berkshire Hathaway, Baillie Gifford, Bridgewater Associates, and ARK Invest reveals a distinct structural pattern across divergent investment mandates: AI remains the central thesis, while commercial space has emerged as the premier new frontier. Institutional capital is no longer blindly chasing momentum; instead, top funds are strategically reallocating across AI platforms, compute infrastructure, space technologies, and cyclical recovery plays.

Institutional Allocation Highlights & Portfolio Adjustments

Core Institutional Metrics

Detailed Holdings Breakdown (TOP 5)

Deep Dive into Key Institutional Movements

1. Berkshire Hathaway: Tech Moats & Cyclical Rebalancing

Berkshire’s top five holdings continue to be dominated by Apple (Apple Inc.(AAPL.US) ), American Express (American Express Company(AXP.US) ), Coca-Cola (Coca-Cola Company(KO.US) ), Alphabet (Alphabet Inc. Class C(GOOG.US) ), and Bank of America (Bank of America Corp(BAC.US) ). The most significant Q2 maneuver was the continued accumulation of Alphabet alongside a trim in financial stocks like Bank of America Corp(BAC.US) .

• The AI Moat Thesis: Alphabet’s full-stack AI ecosystem—combining Gemini models, Google Cloud, YouTube, and unmatched proprietary data—offers the robust competitive moat and free cash flow profile favored by Buffett.
• Economic Soft-Landing Plays: Concurrent additions in Delta Air Lines (Delta Air Lines, Inc.(DAL.US) ), Lennar (Lennar Corporation Class A(LEN.US) ), and Macy's (Macy's, Inc.(M.US) ) demonstrate balanced exposure to US consumer and housing market recovery. 

2. Baillie Gifford: Commercial Space & Hardware Infrastructure

Famous for early bets on Tesla (Tesla Motors, Inc.(TSLA.US) ) and Amazon (Amazon.com, Inc.(AMZN.US) ), Baillie Gifford highlighted SpaceX (SpaceX(SPCX.US) ) as a core top-tier position while building out its stake in Broadcom (Broadcom Limited(AVGO.US) ). 

• Space as a Platform Asset: Starlink’s recurring cash flows and falling launch costs via reusable rocketry have elevated SpaceX into a premier trillion-dollar platform asset. 
• Sub-Sector Consolidation: Reduces positions in Rocket Lab (Rocket Lab(RKLB.US) ), Datadog (Datadog(DDOG.US) ), and Meta Platforms (Meta Platforms(META.US) ) indicate a tactical shift, consolidating capital into the category leader (SpaceX(SPCX.US) ). 

3. Bridgewater Associates: Macro Indexing & Chip Profit-Taking

Bridgewater’s adjustments reflect macro risk management. The firm significantly boosted its broad market index holdings via ETF-S&P 500(SPY.US) , S&P 500 Index Ishares(IVV.US) , and Vanguard S&P 500 Etf(VOO.US) , alongside defensive allocations in PG&E (PG&E Corporation(PCG.US) ) and Shell (Shell Plc Sponsored ADR(SHEL.US) ). 

• Tactical Rebalancing: Following massive rallies, Bridgewater took profits across semiconductor names including TSMC (Taiwan Semiconductor Manufacturing Co., Ltd. Sponsored ADR(TSM.US) ), AMD (Advanced Micro Devices, Inc.(AMD.US) ), Micron (Micron Technology, Inc.(MU.US) ), and Marvell (Marvell Technology(MRVL.US) ). Core exposure to essential AI hardware enablers like NVIDIA (NVIDIA Corporation(NVDA.US) ) and Broadcom Limited(AVGO.US)  remains intact. 

4. ARK Invest: The AI Infrastructure Chain & Next-Gen Tech

ARK continued aggressively scaling positions in SpaceX(SPCX.US) , Alphabet Inc. Class C(GOOG.US) , and AI chip innovator Cerebras Systems (Cerebras Systems(CBRS.US) ), while opening new positions in small modular nuclear reactor developer X-Energy (X-Energy, Inc. Class A(XE.US) ) and Eli Lilly (Eli Lilly and Company(LLY.US) ). 

• Extending the Tech Chain: ARK’s moves follow a clear logical progression: AI Compute Scaling → Massive Power Requirements → Nuclear & Clean Energy Demand. 
• Capital Recycling: Partial exits in mature growth names such as Advanced Micro Devices, Inc.(AMD.US) , Roku (Roku, Inc. Class A(ROKU.US) ), and CRISPR Therapeutics (CRISPR Therapeutics AG(CRSP.US) ) were recycled into earlier-stage, high-upside opportunities. 

Core Takeaways from Q2 Disclosures

• AI Strategy Bifurcation: Institutions are no longer buying AI indiscriminately. Capital is splitting into platform cash-flow compounders (Alphabet Inc. Class C(GOOG.US) ), custom hardware leaders (Broadcom Limited(AVGO.US) ), and physical infrastructure enablers (energy/power). 
• Commercial Space Mainstream Acceptance: The simultaneous top-heavy positioning of SpaceX(SPCX.US)  in both growth (Baillie Gifford) and innovation-focused (ARK) funds signals that commercial space has officially transitioned from speculative venture capital into standard institutional asset allocation.
• Institutional positioning in top funds suggests an AI investment logic upgrade rather than a trend reversal. Flows show a clear divergence: conservative capital is reducing semiconductor holdings for index and defensive assets; value investors are adding to defensive tech giants; while growth-focused funds are pivoting to commercial space, nuclear energy, and next-gen AI infrastructure. For investors, this signals a transition from "AI chips" to AI application rollouts, energy supply, and the commercial space supply chain as the next frontier.