--- title: "Pure-Beta Wealth Manager 13Fs: Kedalion, Matson, Constellation" type: learn slug: pure-beta-wealth-manager-13f-kedalion-matson-constellation-decoder canonical_url: https://13finsight.com/learn/pure-beta-wealth-manager-13f-kedalion-matson-constellation-decoder published_at: 2026-05-15T08:48:38.049Z updated_at: 2026-05-15T08:48:42.146Z author: Sarah Mitchell author_title: Education Editor author_url: https://13finsight.com/authors/sarah-mitchell word_count: 617 locale: en source: 13F Insight --- # Pure-Beta Wealth Manager 13Fs: Kedalion, Matson, Constellation > Kedalion holds 96% in S&P 500 ETFs. Matson Money holds 14% IVV plus broad ETF spread. Constellation Investments runs 96%+ ETFs. Pure-beta wealth managers run 13Fs that look unlike anything an active manager files. Here's how to read them. A growing category of US wealth-management firms files Form 13F-HR with portfolios dominated entirely by exchange-traded funds (ETFs) rather than individual stocks. Kedalion Capital Management LLP holds 96.21% of its $3.48 billion 13F in just two S&P 500 ETFs (IVV + SPYM) plus a 3.79% high-yield-bond sleeve (HYG). Matson Money holds $3.26 billion across ~10 ETFs (IGSB, IAGG, IVV, DFIS, VLUE, etc.). Constellation Investments holds $3.01 billion across diversified Vanguard and iShares ETFs. Cambridge Associates holds $6.31 billion across 25 Vanguard ETFs spanning multiple asset classes. These pure-beta wealth managers and OCIO firms run 13Fs that look unlike anything a discretionary stock-picker files. Reading them requires understanding the wealth-management business model rather than treating them as institutional alpha-generation books.The pure-beta wealth manager landscapeThree structural categories exist:Pure single-strategy beta (Kedalion-style)These firms run essentially one strategy — S&P 500 tracking — delivered through low-cost ETFs. Kedalion at 96% IVV + SPYM is the canonical example. The 13F holds 2-5 ETF positions; the strategy is essentially passive market exposure with modest fixed-income overlay.OCIO multi-asset (Cambridge-style)Outsourced-CIO firms managing institutional client portfolios across multiple asset classes implement strategic asset allocation through low-cost ETF building blocks. Cambridge Associates at 25 ETFs across US equity, international, fixed income, alternatives is the canonical example.Multi-strategy ETF spread (Matson Money / Constellation-style)Wealth managers serving retail and RIA clients hold a moderate number of ETFs (10-20) spanning multiple asset classes, factor tilts, and fixed-income exposures. The pattern reflects diversified RIA-style client mandates implemented through ETF allocation rather than individual stock picking.How to identify pure-beta wealth manager 13FsFive fingerprints:Filer name reflects wealth management. 'Capital Management LLP', 'Wealth Management', 'Investments Inc.', generic names without distinct active-strategy branding.Position list is entirely ETFs. Zero individual stocks or only token incidental holdings.Dominant Vanguard or iShares allocation. Low-cost ETF providers dominate the position list.Filer-CIK-and-AUM combination is modest. Pure-beta wealth managers typically run sub-$10 billion AUM; OCIO firms can be larger but still cap below mainstream-active-manager scales.Position composition reflects standard asset-allocation framework. The mix of US equity, international, fixed income, factor tilts maps to a 60/30/10 or similar institutional allocation template.How to read pure-beta 13Fs correctlyThree rules:Rule 1: Don't read ETF allocations as trade signalsKedalion's 96% IVV + SPYM allocation is not a view on S&P 500 performance. It is the implementation of a client mandate for S&P 500-tracking exposure. Reading it as a trade signal would be a category error.Rule 2: Watch the asset-allocation framework shiftsCambridge Associates' allocation shifts (equity-to-bond ratio changes, international-vs-US weights) signal strategic-asset-allocation framework decisions across institutional client accounts. These shifts represent the OCIO industry's collective view on strategic positioning.Rule 3: Compare across pure-beta filers for industry consensusWhen multiple pure-beta wealth managers move the same direction (Cambridge + Constellation + Matson all shift from US equity to international), the institutional pure-beta consensus is changing. The aggregate signals broader institutional asset-allocation trends.What pure-beta 13Fs revealThree useful signals:Institutional asset-allocation positioning. Aggregating pure-beta and OCIO 13Fs reveals how institutional client portfolios are currently allocated across equity, fixed income, international, and alternatives.ETF provider market share. Vanguard versus iShares dominance in pure-beta 13Fs reveals which provider is winning institutional mandate share.Fee-cost competition. Pure-beta managers select ETFs primarily on expense ratio plus liquidity. Provider competition shifts allocation patterns over time.Common misreadsThree errors:Treating ETF allocations as conviction signals. They are not. Pure-beta managers do not generate alpha through ETF selection.Comparing pure-beta managers to active stock-pickers. The business models are different. Concentration and position changes mean different things at each filer type.Ignoring the modest fixed-income sleeves. Small fixed-income overlays (Kedalion's 3.79% HYG) are wealth-manager-client accommodation, not tactical positioning.For real-time tracking of pure-beta wealth manager 13F activity, see the institutional signals feed. For related reading techniques on ETF-based institutional filings, see our OCIO 13F reading guide and multi-family office decoder. ## FAQ ### What is a pure-beta wealth manager? A pure-beta wealth manager is an investment firm that delivers client mandates through exchange-traded funds (ETFs) rather than individual stock selection. The 13F holds entirely or almost entirely ETF positions tracking specific market indices (S&P 500, international developed, fixed income, etc.). Examples include Kedalion Capital Management LLP (96% in S&P 500 ETFs), Cambridge Associates OCIO ($6.31B in 25 Vanguard ETFs), and various smaller RIA-style firms running 10-20 ETF allocations. ### Why does Kedalion hold 96% in S&P 500 ETFs? Kedalion's structure reflects client mandates for S&P 500-tracking exposure delivered through low-cost ETFs. The dual allocation across IVV (iShares Core S&P 500) at 56.89% and SPYM (SPDR Portfolio S&P 500) at 39.32% enables tax-loss harvesting between positions during drawdowns, client account-level diversification across ETF providers, and reduced market-impact during rebalancing. Both ETFs have nearly identical expense ratios (0.02-0.03%). ### How do I identify a pure-beta wealth manager 13F? Five fingerprints: (1) filer name reflects wealth management (Capital Management LLP, Wealth Management, generic Investments Inc.); (2) position list is entirely ETFs with zero individual stocks; (3) dominant Vanguard or iShares allocation; (4) filer CIK and AUM combination is modest (sub-$10B for pure-beta managers); (5) position composition reflects standard asset-allocation framework (60/30/10 institutional template). ### Should I follow pure-beta wealth manager positions as trade signals? No. Pure-beta managers don't generate alpha through ETF selection — the allocation reflects implementation of client mandates rather than discretionary investment views. Kedalion's 96% S&P 500 ETF allocation is not bullishness on US large-caps; it is client-mandated beta exposure. Treating these positions as trade signals misreads the source. However, aggregate allocation shifts across multiple pure-beta managers do signal broader institutional asset-allocation trends. ### What is the difference between pure-beta and OCIO 13Fs? Pure-beta wealth managers (Kedalion, Matson, Constellation) typically run single-strategy or modest-multi-strategy ETF allocations for individual high-net-worth or RIA clients. OCIO firms (Cambridge Associates, Russell Investments, Mercer, Aon) take discretionary management of institutional client portfolios across multiple asset classes through 20-50 ETF positions. Both are ETF-heavy, but OCIO firms typically deploy across more asset classes and run larger AUM. ### Do pure-beta managers ever shift allocation? Yes, but slowly and rarely tactically. Pure-beta managers shift allocation based on (1) client-mandate evolution as new clients onboard or existing clients change risk targets; (2) calendar rebalancing to target weights; (3) strategic asset-allocation framework changes (less common). Tactical positioning shifts are rare because the mandate emphasizes consistent passive exposure rather than active timing. Multi-quarter trend changes signal industry-wide allocation framework evolution. --- Source: 13F Insight — https://13finsight.com/learn/pure-beta-wealth-manager-13f-kedalion-matson-constellation-decoder Author: Sarah Mitchell — https://13finsight.com/authors/sarah-mitchell Last updated: 2026-05-15T08:48:42.146Z