Ole Andreas Halvorsen - Viking Global Investors Investment Strategy & Portfolio Analysis

How Viking Global Investors allocates capital, manages risk, and constructs its portfolio — based on SEC 13F filings.

According to the SEC 13F filed on Aug 14, 2026, Ole Andreas Halvorsen's Viking Global Investors portfolio reflects a quant / systematic investor approach across 75 reported 13F positions as of quarter-end Jun 30, 2026. Portfolio returns are distributed across holdings, with the top five positions representing approximately 23% of total exposure. Across 75 reported holdings, economic exposure is broadly distributed across financials, consumer cyclical companies, and healthcare without dominant single-name concentration. Exposure to high-growth and technology-oriented segments is moderate relative to peers, with performance weighted across financials, consumer discretionary, and healthcare. The portfolio maintains moderate turnover, consistent with periodic rebalancing rather than a fully static book. Distinctive traits include Moderate Turnover, Broadly Diversified, Economically Diversified.

Investment Style

Value, growth, quality, and behavioral classification from latest 13F holdings.

Quant / Systematic Investor

Primary type: Quant / Systematic Investor

Traits: Moderate Turnover, Broadly Diversified, Economically Diversified, Structurally Diversified

Turnover profile

Active

Holding horizon

Moderate

Portfolio Construction

Concentration and position sizing in the latest filing.

Portfolio construction is lowly concentrated: top three names represent 15.3% of assets, top five 22.9%, and the largest single position is 6.6%.

Top 3 weight

15.3%

Top 5 weight

22.9%

Top 10 weight

37.5%

Largest position

6.6%

Top holdings: Visa Inc., Taiwan Semiconductor Manufactur, Air Products and Chemicals, Inc, Sherwin-Williams Company (The), Fortive Corporation — view full holdings

Sector Preferences

Where capital is allocated by sector.

Capital is tilted toward Financial Services and Consumer Cyclical, with 10 sectors represented in the latest filing.

Leading sectors: Financial Services, Consumer Cyclical, Healthcare

View full sector allocation

Risk Framework

Concentration, diversification, and turnover tolerance.

This investor accepts low single-name risk (largest position 6.6%, top ten 37.5%) and high economic diversification (HHI 0.01). Turnover tolerance maps to a active profile.

Largest position

6.6%

Top 10 weight

37.5%

Max sector

20.5%

Diversification

High

Strategy Evolution

How the strategy changed between the two most recent filing periods.

Mar 31, 2026 → Jun 30, 2026

  • Position count increased from 69 to 75 (+6 names).
  • Top-five concentration rose from 21.1% to 22.9%.
  • Quarter-over-quarter portfolio weight turnover: 31.1%.

For trade-level changes, see the Activity page. View activity.

Similar Investors

Peer group with comparable portfolio behavior.

Similar-investor comparisons are coming soon.

Viking Global Investors 13F Strategy