Stock Markets March 17, 2026

Investors Pull Back as Geopolitical and Macro Uncertainty Drive Defensive Positioning

Barclays: Long-only allocations at near one-year lows while hedge funds and systematic strategies pare back equity exposure

By Maya Rios
Investors Pull Back as Geopolitical and Macro Uncertainty Drive Defensive Positioning

Asset managers are reducing equity risk across multiple strategies as geopolitical tensions and growing macro uncertainty weigh on markets, according to a note from Barclays. Long-only funds are increasing cash holdings, hedge funds have net sold U.S. equities across market caps, and systematic and risk parity strategies have shifted toward more defensive stances. Commodity exposure is falling while bond weights rise, even as oil positions remain long amid supply worries.

Key Points

  • Long-only equity exposure has fallen to its lowest level in nearly a year as managers increase cash holdings.
  • Hedge funds have net sold U.S. equities across the capitalization spectrum, indicating a broad defensive rotation.
  • Flows are currently favoring Energy, Industrials and value, while demand for Tech and yield plays appears to be stabilizing after prior outflows.

Institutional investors are stepping back from riskier equity bets as geopolitical strains and rising macroeconomic uncertainty prompt a more cautious stance, Barclays said in a recent research note.

Long-only managers have moved to higher cash balances, pushing long-only equity exposure to its lowest level in nearly a year, the bank's analyst Rex Feng wrote. That retreat has coincided with broad selling by hedge funds, which Barclays said "net sold US equities meaningfully across the cap spectrum," indicating a defensive rotation that spans small-, mid- and large-cap names.

Year-to-date support for U.S. equities has been linked to fund inflows, particularly those originating in Europe, but Barclays cautioned that such demand "started to wobble over recent weeks" and could act as a downside lever should headline risks intensify.

Flows continue to favor certain sectors and styles. Barclays reported that investors are still directing capital toward Energy, Industrials and value-oriented trades. In contrast, demand for Technology and yield-sensitive plays appears to have stabilized after earlier outflows.

Systematic and volatility-sensitive strategies are also showing increased caution. Volatility-control funds remain positioned near 80% exposure, a level supported by relatively subdued index volatility. Barclays warned, however, that any uptick in volatility tied to inflation-linked moves "would force sharper cuts" in these strategies.

Commodity Trading Advisors (CTAs) have adopted defensive postures as well, trimming equity exposure to roughly flat or short across regions. Notably, CTAs have kept long positions in oil, reflecting heightened supply risk in that market.

Risk parity portfolios are shifting away from commodities and into bonds. Barclays observed commodity allocations in these portfolios have fallen to "near decade lows," while bond allocations have risen to their highest levels in almost 10 years.

Options market dynamics point to a tilt back toward macro-driven activity rather than single-stock speculation. While measures such as S&P skew recently reached five-year highs, Barclays noted this was driven more by call selling than by increased demand for downside insurance. Put-to-call open interest sits at five-year lows, and the bank found "no signs of panic" in options positioning so far.


The analysis from Barclays portrays a market where multiple investor types are aligning toward caution: long-only funds increasing cash, hedge funds reducing equity exposure across caps, systematic strategies dialing back risk, CTAs favoring oil longs while cutting equities, and risk parity shifting into bonds. Collectively, these moves reflect a defensive posture that could amplify market sensitivity if geopolitical or macro headlines deteriorate further.

Risks

  • Reduced fund inflows - If demand from Europe and other sources continues to waver, it could become a downside lever for U.S. equities (impacts: equities, sector flows).
  • Volatility resurgence - A return of inflation-linked volatility would force sharper reductions in volatility-control strategies (impacts: volatility-controlled funds, systematic strategies).
  • Commodity allocation declines - Commodity weights in risk parity portfolios are near decade lows, leaving these portfolios more exposed to bond market moves should conditions change (impacts: risk parity, bond markets, commodity-linked strategies).

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