MFN Partners Q1 2026: 47% in XPO, 20% in Talen — Brad Jacobs Bet

MFN Partners Management, LP runs $4.77 billion across a concentrated thematic 13F that reads as the textbook expression of the Brad Jacobs investment thesis. The Q1 2026 Form 13F-HR shows: XPO Logistics (XPO) at 46.55% portfolio ($2.22B), Talen Energy (TLN) at 20.06% ($957.7M), QXO Inc (QXO) at 9.54% ($455.5M), RXO Inc (RXO) at 8.61% ($411.0M), PennyMac Financial Services (PFSI) at 8.30% ($396.1M), plus Occidental warrants at 5.11%. Top 5 positions absorb 92.97% of the entire $4.77 billion AUM. Three of the top 4 positions — XPO, QXO, and RXO — are Brad Jacobs-led companies (XPO is the original logistics platform; QXO is Jacobs' newer building-products rollup vehicle launched in 2024; RXO is the 2022 spin-off of XPO's brokered-freight business). The portfolio is essentially a thematic bet on Brad Jacobs' multi-decade serial-acquisition rollup playbook.

Brad Jacobs has built six US public companies through serial acquisition strategy: United Waste Systems (sold 1997), United Rentals (1997-2007), XPO Logistics (founded 2011), GXO Logistics (2021 spin-off), RXO (2022 spin-off), and QXO (2024 new vehicle targeting building products distribution). MFN Partners' concentrated positions across XPO, QXO, and RXO reflect institutional confidence in Jacobs' acquisition-driven value-creation framework. The 13F is one of the cleanest visible institutional concentrations on a single executive's strategic thesis.

The book at a glance

$4.77 billion total AUM. ~12 meaningful positions. WhaleScore 79.00. Top 5 concentration: 92.97%.

The XPO + RXO + QXO Brad Jacobs cluster

XPO Logistics (XPO) at 46.55%

The original Brad Jacobs logistics vehicle founded 2011. Through 100+ acquisitions, XPO became one of the largest North American less-than-truckload (LTL) and truckload-brokerage operators. The 2021 spin-off of GXO (contract logistics) plus the 2022 spin-off of RXO (truckload brokerage) refocused XPO on LTL franchise. The 46.55% MFN concentration represents extreme single-name conviction on the post-spin-off LTL franchise economics.

RXO Inc (RXO) at 8.61%

2022 spin-off of XPO's truckload brokerage business. Operates as one of the largest US digital-freight-brokerage platforms. The 2024 acquisition of Coyote Logistics from UPS for $1 billion expanded RXO's scale meaningfully.

QXO Inc (QXO) at 9.54%

Brad Jacobs' newest vehicle, launched 2024 with $5 billion of equity capital committed to a building-products distribution rollup strategy. The thesis: fragmented US building-products distribution market with consolidation opportunity similar to XPO's logistics-consolidation playbook. MFN Partners' 9.54% position represents early-stage thematic bet on the QXO rollup.

The Talen Energy (TLN) position

Talen Energy at 20.06% portfolio is the second-largest MFN position and a different thematic bet. Talen operates approximately 10 GW of US power generation including a 75% interest in the Susquehanna nuclear plant. The AI-data-center power-demand cycle has driven multi-year value-recovery at Talen following the company's 2023 bankruptcy emergence. MFN's 20% concentration reflects the AI-power thesis — sustained electricity demand from AI training clusters supports nuclear-and-baseload generation economics.

The other positions

• PennyMac Financial Services (PFSI) at 8.30% — Mortgage origination and servicing. Cyclical-recovery thesis as rate-cycle normalizes.
• Occidental Petroleum warrants (OXY/WS) at 5.11% — Long-dated leveraged exposure to OXY common stock through 2027-expiry warrants. Berkshire Hathaway-adjacent thesis.
• Bausch Health (BHC) at 0.68% — Multi-year special-situations restructuring (smaller weight, residual position).

What this 13F means for institutional readers

Three observations:

1. The book is a thematic Brad Jacobs concentrated bet. XPO + RXO + QXO combined: 64.70% of MFN's portfolio. Reading the positions as independent stock picks misses the integrated Jacobs-executive-thesis structure.
2. The Talen position diversifies via AI-power exposure. 20.06% concentration on TLN provides distinct thematic exposure outside the Jacobs cluster.
3. Watch for Brad Jacobs M&A cycles. Major XPO or QXO acquisitions periodically reshape thesis economics. Track Jacobs-related M&A announcements.

The top 5 vs the rest

~93% of AUM in 5 positions. The book has no meaningful diversification tail; MFN is a thematic-concentrated fund rather than a diversified active equity manager.

AUM trajectory

MFN Partners' reported 13F AUM has been stable through 2024-2026 as the firm's thematic-concentrated strategy attracted institutional inflows. The XPO position has been steady across the post-spin-off LTL operational cycle.

What to track

1. XPO Q2 2026 earnings (early August). LTL franchise pricing, operating-ratio improvement, and capital-allocation guidance.
2. QXO building-products M&A. Brad Jacobs's QXO acquisition pace shapes the multi-year rollup trajectory.
3. Talen Energy AI-data-center contracts. Any major new power-purchase agreement with hyperscale AI customers (Amazon Web Services, Microsoft Azure, etc.) drives TLN multiple expansion.
4. MFN Partners Q2 2026 13F (due August 14, 2026). Watch whether the Brad Jacobs cluster holds, expands, or rotates. Track via the institutional signals feed.

MFN Partners' Q1 2026 13F is the cleanest visible institutional concentrated bet on the Brad Jacobs serial-acquisition rollup thesis plus AI-power demand. For more on reading thematic-concentrated 13F structures, see our activist 13F reading guide.

Source: SEC Form 13F-HR filed by MFN Partners Management, LP (CIK 0001732811) for the period ending 2026-03-31; available via EDGAR — MFN Partners filer index.