D. E. Shaw Dropped a $3.81B QQQ Line and Added $3.15B to SPY + AMD While Top-10 Concentration Fell

D. E. Shaw & Co. finished Q4 2025 with a larger 13F book but lower crowding in the top bucket. The central signal is a sleeve rotation: a major QQQ line was removed while capital shifted into SPY, AMD, and other large liquid exposures.

TL;DR

• Total value increased from $177.16B to $182.42B (+2.97% QoQ), with unique holdings rising from 3,224 to 3,260.
• Top-10 concentration dropped from 17.72% to 15.97% (-1.75pp), indicating broader risk spread.
• Largest cut: one QQQ line -$3.81B; largest adds: AMD +$1.65B and SPY +$1.50B.
• Core AI-linked names remained top holdings, but with lower relative crowding versus Q3.

Q4 Filing Snapshot: More Capital, Less Crowd in the Top Bucket

The combination of higher value and lower concentration is the key profile change. This is not a binary risk-off move; it is a redistribution of where gross exposure sits.

Concentration Drift Lower Across All Key Buckets

Top-1, top-2, top-5, and top-10 all moved lower in Q4. For a systematic manager, that usually means deliberate smoothing of concentration risk while preserving thematic exposure.

Q4 Core Exposures Still Lean Tech + Index

Top lines remain NVDA, MSFT, SPY, PLTR, and TSLA. The shift is in weights and sleeve composition, not wholesale thesis abandonment.

Rebalance Ledger: QQQ Out, SPY/AMD/AMZN/GOOGL Up

The filing-level change set shows a clear rebalance map: remove one large QQQ line, increase broad beta and selected semis/platforms, trim parts of prior high-beta AI concentration in AVGO, NVDA, and MU.

Did D. E. Shaw exit Nasdaq exposure in Q4 2025?

It exited a major QQQ line item, but that should not be interpreted as a full Nasdaq abandonment. Remaining top holdings still include multiple mega-cap and semiconductor names whose factor profile overlaps with Nasdaq risk.

What did D. E. Shaw buy in Q4 2025?

The largest value increases were AMD, SPY, AMZN, and GOOGL, with additional build in selected cyclical and infrastructure sleeves.

Analyst View

Q4 reads as systematic de-crowding, not directional surrender: reduce crowded sleeves, preserve core thematic participation, and rebalance implementation. Compare with Millennium's index sleeve turnover and Citadel's index-hedge reshuffle.