SEC 13F Intelligence

Managers / Q1 2026

Robeco Institutional Asset Management B.V.

CIK 0001418773 · WEENA 850, ROTTERDAM, P7, 3014DA · 31102241224

Reported Value
$70.2B
Q1 2026
Positions
842
Filings on Record
54
2019–present window
Filed
Apr 21, 2026
original filing

Summary

Robeco Institutional Asset Management B.V. reported $70.2B in U.S.-listed holdings across 842 positions for Q1 2026.

Its largest position, NVDA, represents 6.5% of the portfolio.

Compared with Q4 2025, the fund opened 67 new positions and exited 49.

Reported Value by Quarter

13F Reported Value
Q4 ’18: $22.3BQ4 ’18Q1 ’19: $27.2BQ2 ’19: $28.4BQ3 ’19: $28.4BQ4 ’19: $31.3BQ4 ’19Q1 ’20: $24.9BQ2 ’20: $29.5BQ3 ’20: $32.4BQ4 ’20: $38.5BQ4 ’20Q1 ’21: $41.2BQ2 ’21: $45.7BQ3 ’21: $45.7BQ4 ’21: $47.6BQ4 ’21Q1 ’22: $43.0BQ2 ’22: $32.6BQ3 ’22: $31.4BQ4 ’22: $34.70TQ4 ’22Q1 ’23: $36.7BQ2 ’23: $38.1BQ3 ’23: $37.4BQ4 ’23: $41.2BQ4 ’23Q1 ’24: $46.0BQ2 ’24: $46.5BQ3 ’24: $50.3BQ4 ’24: $52.8BQ4 ’24Q1 ’25: $51.5BQ2 ’25: $61.8BQ3 ’25: $69.0BQ4 ’25: $70.2BQ4 ’25Q1 ’26: $70.2Bfilingsflow.com

Portfolio Composition

By security type
Common Stock: 84.5%ADR: 9.9%Other: 4.3%REIT: 1.2%Tracking Stk: 0.0%
  • Common Stock · 84.5% · $59.3B
  • ADR · 9.9% · $7.0B
  • Other · 4.3% · $3.0B
  • REIT · 1.2% · $860M
  • Tracking Stk · 0.0% · $2M

Quarter-over-Quarter Changes full breakdown →

Holdings — Q1 2026

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Filing History

QuarterReported ValuePositionsFiledTypeLinks
Q1 2026$70.2B842Apr 21, 202613F-HRchanges · EDGAR ↗
Q4 2025$70.2B824Jan 23, 202613F-HRchanges · EDGAR ↗
Q3 2025$69.0B857Oct 22, 202513F-HRchanges · EDGAR ↗
Q2 2025$61.8B860Jul 18, 202513F-HRchanges · EDGAR ↗
Q1 2025$51.5B899Apr 23, 202513F-HRchanges · EDGAR ↗
Q4 2024$52.8B897Jan 23, 202513F-HRchanges · EDGAR ↗
Q3 2024$50.3B904Oct 29, 202413F-HRchanges · EDGAR ↗
Q2 2024$46.5B915Jul 23, 202413F-HRchanges · EDGAR ↗
Q1 2024$46.0B926Apr 24, 202413F-HRchanges · EDGAR ↗
Q4 2023$41.2B1,095Feb 14, 2024RESTATEMENTchanges · EDGAR ↗
Q3 2023$37.4B1,014Oct 24, 202313F-HRchanges · EDGAR ↗
Q2 2023$38.1B1,038Jul 24, 202313F-HRchanges · EDGAR ↗
Q1 2023$36.7B1,044May 4, 202313F-HRchanges · EDGAR ↗
Q4 2022$34.70T938Feb 7, 202313F-HRchanges · EDGAR ↗
Q3 2022$31.4B962Oct 27, 202213F-HRchanges · EDGAR ↗
Q2 2022$32.6B947Jul 27, 202213F-HRchanges · EDGAR ↗
Q1 2022$43.0B934Apr 26, 202213F-HRchanges · EDGAR ↗
Q4 2021$47.6B924Jan 31, 202213F-HRchanges · EDGAR ↗
Q3 2021$45.7B927Oct 20, 202113F-HRchanges · EDGAR ↗
Q2 2021$45.7B957Jul 28, 202113F-HRchanges · EDGAR ↗
Q1 2021$41.2B951Apr 23, 202113F-HRchanges · EDGAR ↗
Q4 2020$38.5B937Jan 28, 202113F-HRchanges · EDGAR ↗
Q3 2020$32.4B932Oct 29, 202013F-HRchanges · EDGAR ↗
Q2 2020$29.5B974Jul 20, 202013F-HRchanges · EDGAR ↗
Q1 2020$24.9B983Apr 30, 202013F-HRchanges · EDGAR ↗
Q4 2019$31.3B973Feb 6, 202013F-HRchanges · EDGAR ↗
Q3 2019$28.4B971Oct 17, 201913F-HRchanges · EDGAR ↗
Q2 2019$28.4B969Jul 19, 201913F-HRchanges · EDGAR ↗
Q1 2019$27.2B958May 2, 201913F-HRchanges · EDGAR ↗
Q4 2018$22.3B970Feb 8, 201913F-HRchanges · EDGAR ↗

Other Included Managers

This filing reports holdings on behalf of 5 additional managers.

  • Boston Partners028-12484
  • Robeco Schweiz AG028-12627
  • HARBOR CAPITAL ADVISORS, INC.028-21112
  • ORIX CORP028-18337
  • ORIX Corp Europe N.V.028-12637

13F filings are due up to 45 days after quarter end, so holdings shown here lag the fund’s current book. Source: original SEC filing on EDGAR ↗.