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Robeco Institutional Asset Management B.V.

Position in CSGP — Costar Group, Inc.

CIK 1418773 ROTTERDAM, P7

Position in CSGP

as of Mar 31, 2026 · filed Apr 21, 2026
Position Value
$1,856,366
-$2,726,376 QoQ
Shares Held
46,018
-32.5% QoQ
Ownership
0.011%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in CSGP Over Time

Shares Held

Position Value (USD)

Position in Real Estate Services

Real Estate · as of Mar 31, 2026

Robeco Institutional Asset Management B.V. holds $374,747,075 across 6 Real Estate Services names. CSGP ranks #4 (0.5% of the industry book) .

# Ticker Company Shares Value (USD) Open
4 CSGP
Costar Group, Inc.
This page
46,018 $1,856,366

All Filings in CSGP

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25 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $1,856,366 46,018
2025-12-31 $4,582,742 68,155
2025-09-30 $6,299,739 74,668
2025-06-30 $6,639,753 82,584
2025-03-31 $7,444,054 93,955
2024-12-31 $8,551,998 119,458
2024-09-30 $9,660,016 128,049
2024-06-30 $22,721,685 306,470
2024-03-31 $4,180,558 43,277
2023-12-31 $5,250,915 60,086
2023-09-30 $7,432,956 96,670
2023-06-30 $6,523,344 73,296
2023-03-31 $5,019,784 72,909
2022-12-31 $34,008,068 440,063
2022-09-30 $14,079,329 202,144
2022-06-30 $6,160,732 101,982
2022-03-31 $6,782,896 101,830
2021-12-31 $8,063,351 102,029
2021-09-30 $8,772,698 101,937
2021-06-30 $10,625,806 128,300
2021-03-31 $1,065,087 12,959
2020-12-31 $1,101,372 11,916
2020-09-30 $897,384 10,576
2020-06-30 $765,817 10,776
2020-03-31 $730,489 12,440