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Security record · archived quarter

CSGP

CoStar Group, Inc. · Real Estate · Real Estate - Services

30.00 +2.7% mkt cap $12.16B quote delayed (FMP) · as of Oct 13 21:08 UTC — separate from filing data below

Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024
167Tracked holders
0Δ holders
346.71MShares held
$23.31BReported value
+2New positions
−1Exits
Stable Conviction score 51/100 6 quarters of rising tracked shares ●●●●●● How these are computed → Explain this at the Research Desk →

Momentum inputs (comparable managers): holder breadth 0.0% · share flow -1.5% · net new positions +0.6% — formula

All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q4 2025

Ownership over time
QuarterHoldersΔSharesReported valueNewExits
Q2 2026 159 -1 281.99M $8.00B +6 −8
Q1 2026 164 -4 297.65M $12.02B +8 −13
Q4 2025 167 0 346.71M $23.31B +2 −1
Q3 2025 23 -3 175.87M $14.83B — −4
Q2 2025 24 +4 163.02M $13.10B +4 —
Q1 2025 17 -1 53.06M $4.20B +2 −3
Q4 2024 18 +1 51.64M $3.69B +2 −1
Q3 2024 16 +2 30.21M $2.28B +3 −1
Q2 2024 14 — 29.50M $2.19B — —
Holder count
Who holds it · Q4 2025
#ManagerSharesΔ sharesValueTheir weightHeld
1 The Vanguard Group ✦ (passive) 70.11M +0.1% $4.71B 0.1% ▲ Add 3 SEC ↗ ×6
2 BlackRock ✦ (passive) 33.97M -6.0% $2.28B 0.0% ▼ Trim 3 SEC ↗ ×22
3 Bamco Inc /Ny/ 19.50M — $1.31B 3.6% n/c 1 SEC ↗
4 State Street Global Advisors ✦ (passive) 18.63M +1.9% $1.25B 0.0% ▲ Add 5 SEC ↗
5 Principal Financial Group Inc 17.57M — $1.18B 0.6% n/c 1 SEC ↗ ×3
6 Invesco Ltd. 14.91M — $1.00B 0.1% n/c 1 SEC ↗ ×12
7 Baillie Gifford ✦ 12.93M +56.9% $869.63M 0.7% ▲ Add 7 SEC ↗ ×4
8 Geode Capital Management ✦ (passive) 12.18M -3.3% $816.24M 0.1% ▼ Trim 7 SEC ↗ ×2
9 Capital International Investors 10.84M — $729.02M 0.1% n/c 1 SEC ↗
10 Janus Henderson Group Plc 7.47M — $502.49M 0.2% n/c 1 SEC ↗ ×5
11 Norges Bank ✦ (passive) 7.09M New $476.76M 0.1% New 1 SEC ↗
12 Capital Research Global Investors 5.57M — $374.33M 0.1% n/c 1 SEC ↗
13 Morgan Stanley ✦ 5.29M -38.1% $355.78M 0.0% ▼ Trim 2 SEC ↗ ×15
14 Amundi 4.11M — $276.66M 0.1% n/c 1 SEC ↗ ×6
15 Bank of New York Mellon Corp 4.11M — $276.56M 0.0% n/c 1 SEC ↗ ×24
16 Nomura Asset Management… 3.91M — $262.85M 0.4% n/c 1 SEC ↗
17 Goldman Sachs Group ✦ 3.75M +70.9% $252.25M 0.0% ▲ Add 2 SEC ↗ ×5
18 Nuveen, LLC 3.56M — $239.43M 0.1% n/c 1 SEC ↗ ×3
19 Bank Of America Corp /De/ 3.50M — $235.66M 0.0% n/c 1 SEC ↗ ×8
20 Northern Trust Corp 3.47M — $233.06M 0.0% n/c 1 SEC ↗ ×8
21 Third Point ✦ 3.17M +4.9% $212.81M 2.9% ▲ Add 4 SEC ↗
22 Massachusetts Financial Services Co… 3.16M — $212.47M 0.1% n/c 1 SEC ↗ ×6
23 Legal & General Group Plc 2.86M — $192.39M 0.0% n/c 1 SEC ↗ ×3
24 BNP Paribas Asset Management… 2.81M — $189.17M 0.2% n/c 1 SEC ↗ ×3
25 Charles Schwab Investment… 2.66M — $179.07M 0.0% n/c 1 SEC ↗
26 UBS AM, a distinct business unit of… 2.43M — $163.58M 0.0% n/c 1 SEC ↗ ×12
27 Barclays Plc 2.32M — $156.11M 0.1% n/c 1 SEC ↗ ×3
28 Dimensional Fund Advisors Lp 2.32M — $156.00M 0.0% n/c 1 SEC ↗ ×5
29 Tiger Global Management ✦ 2.26M -30.4% $151.90M 0.5% ▼ Trim 5 SEC ↗
30 Fayez Sarofim & Co 2.24M — $150.71M 0.4% n/c 1 SEC ↗ ×4
31 UBS Group AG 2.11M — $141.96M 0.0% n/c 1 SEC ↗ ×4
32 Blair William & Co/Il 2.02M — $136.06M 0.4% n/c 1 SEC ↗
33 Hsbc Holdings Plc 1.97M — $132.78M 0.0% n/c 1 SEC ↗ ×12
34 Brown Advisory Inc 1.91M — $128.18M 0.2% n/c 1 SEC ↗ ×4
35 Deutsche Bank Ag\ 1.78M — $119.40M 0.0% n/c 1 SEC ↗ ×13
36 Mackenzie Financial Corp 1.66M — $112.47M 0.1% n/c 1 SEC ↗
37 Citigroup Inc 1.50M — $101.00M 0.1% n/c 1 SEC ↗ ×4
38 Viking Global Investors ✦ 1.44M -22.0% $97.00M 0.3% ▼ Trim 3 SEC ↗
39 Envestnet Asset Management Inc 1.34M — $89.82M 0.0% n/c 1 SEC ↗
40 Federated Hermes, Inc. 1.32M — $88.96M 0.1% n/c 1 SEC ↗ ×3
41 Royal Bank Of Canada 1.31M — $87.94M 0.0% n/c 1 SEC ↗ ×11
42 Nomura Holdings Inc 1.23M — $82.98M 0.2% n/c 1 SEC ↗ ×2
43 Fidelity (FMR) ✦ 1.20M -23.9% $80.83M 0.0% ▼ Trim 3 SEC ↗ ×3
44 T. Rowe Price ✦ 1.20M -5.2% $80.61M 0.0% ▼ Trim 7 SEC ↗ ×2
45 Franklin Resources Inc 1.16M — $78.16M 0.0% n/c 1 SEC ↗ ×8
46 Swiss National Bank 1.16M — $78.06M 0.0% n/c 1 SEC ↗
47 Pictet Asset Management Holding SA 1.06M — $70.97M 0.1% n/c 1 SEC ↗
48 Mitsubishi UFJ Asset Management… 1.06M — $69.45M 0.0% n/c 1 SEC ↗
49 Sumitomo Mitsui Trust Group, Inc. 999.68K — $67.22M 0.0% n/c 1 SEC ↗
50 Bnp Paribas Financial Markets 997.81K — $67.09M 0.0% n/c 1 SEC ↗
51 D. E. Shaw & Co. ✦ 905.49K 0.0% $60.89M 0.0% Held 7 SEC ↗
52 Wells Fargo & Company/Mn 880.97K — $59.24M 0.0% n/c 1 SEC ↗ ×5
53 Focus Partners Wealth 841.12K — $56.56M 0.1% n/c 1 SEC ↗
54 Squarepoint Ops LLC 795.56K — $53.49M 0.1% n/c 1 SEC ↗
55 JPMorgan Chase ✦ 772.04K -79.9% $51.91M 0.0% ▼ Trim 2 SEC ↗ ×11
56 Rhumbline Advisers 768.84K — $51.70M 0.0% n/c 1 SEC ↗
57 ProShare Advisors LLC 753.67K — $50.68M 0.1% n/c 1 SEC ↗
58 Canada Pension Plan Investment Board 741.40K — $49.85M 0.0% n/c 1 SEC ↗
59 California Public Employees… 731.97K — $49.22M 0.0% n/c 1 SEC ↗
60 First Trust Advisors Lp 703.36K — $47.29M 0.0% n/c 1 SEC ↗
61 California State Teachers… 682.64K — $45.90M 0.0% n/c 1 SEC ↗
62 National Pension Service 682.12K — $45.87M 0.0% n/c 1 SEC ↗
63 FIL Ltd 639.88K — $43.03M 0.0% n/c 1 SEC ↗
64 Kayne Anderson Rudnick Investment… 635.72K — $42.75M 0.1% n/c 1 SEC ↗ ×2
65 Sei Investments Co 621.78K — $41.81M 0.0% n/c 1 SEC ↗ ×2
66 Ameriprise Financial Inc 615.04K — $41.36M 0.0% n/c 1 SEC ↗ ×5
67 Citadel Advisors ✦ 604.54K -65.0% $40.65M 0.0% ▼ Trim 7 SEC ↗ ×2
68 Millennium Management ✦ 601.98K +47.4% $40.48M 0.0% ▲ Add 7 SEC ↗
69 Caisse De Depot Et Placement Du… 587.10K — $39.48M 0.1% n/c 1 SEC ↗
70 Ensign Peak Advisors, Inc 578.36K — $38.89M 0.1% n/c 1 SEC ↗
71 Russell Investments Group, Ltd. 547.60K — $36.84M 0.0% n/c 1 SEC ↗ ×10
72 Raymond James Financial Inc 509.37K — $34.25M 0.0% n/c 1 SEC ↗ ×3
73 Mitsubishi UFJ Trust & Banking Corp 477.84K — $32.13M 0.1% n/c 1 SEC ↗ ×2
74 Td Asset Management Inc 457.56K — $30.77M 0.0% n/c 1 SEC ↗
75 Bank Of Montreal /Can/ 453.97K — $30.52M 0.0% n/c 1 SEC ↗ ×8
76 Alliancebernstein L.P. 422.17K — $28.39M 0.0% n/c 1 SEC ↗
77 Royal London Asset Management Ltd 409.56K — $27.54M 0.1% n/c 1 SEC ↗
78 Marshall Wace ✦ 391.31K -38.5% $26.31M 0.0% ▼ Trim 3 SEC ↗ ×3
79 Adage Capital Partners ✦ 382.60K -0.8% $25.73M 0.0% ▼ Trim 7 SEC ↗
80 Clearbridge Investments, LLC 382.14K — $25.69M 0.0% n/c 1 SEC ↗
81 State Board Of Administration Of… 376.00K — $25.28M 0.0% n/c 1 SEC ↗
82 AQR Capital Management ✦ 369.35K +14.1% $24.84M 0.0% ▲ Add 7 SEC ↗ ×5
83 Ninety One UK Ltd 354.80K — $23.86M 0.1% n/c 1 SEC ↗
84 National Bank Of Canada /Fi/ 353.62K — $23.78M 0.0% n/c 1 SEC ↗ ×4
85 Victory Capital Management Inc 334.99K — $22.52M 0.0% n/c 1 SEC ↗
86 Aberdeen Group plc 310.07K — $20.85M 0.0% n/c 1 SEC ↗ ×2
87 Swedbank AB 303.20K — $20.39M 0.0% n/c 1 SEC ↗
88 MIRAE ASSET GLOBAL ETFS HOLDINGS… 301.20K — $20.25M 0.0% n/c 1 SEC ↗ ×3
89 Aviva Plc 282.22K — $18.98M 0.0% n/c 1 SEC ↗
90 Parnassus Investments, Llc 272.69K — $18.34M 0.0% n/c 1 SEC ↗
91 Universal- Beteiligungs- und… 268.41K — $18.15M 0.0% n/c 1 SEC ↗
92 Manufacturers Life Insurance… 252.22K — $16.96M 0.0% n/c 1 SEC ↗
93 Stifel Financial Corp 241.72K — $16.25M 0.0% n/c 1 SEC ↗ ×5
94 Jane Street Group, Llc 237.38K — $15.96M 0.0% n/c 1 SEC ↗ ×3
95 State Of Wisconsin Investment Board 228.54K — $15.37M 0.0% n/c 1 SEC ↗
96 New York State Common Retirement… 227.82K — $15.32M 0.0% n/c 1 SEC ↗
97 Man Group plc 225.25K — $15.15M 0.0% n/c 1 SEC ↗ ×2
98 Danske Bank A/S 218.36K — $14.68M 0.0% n/c 1 SEC ↗ ×2
99 Chevy Chase Trust Holdings, LLC 215.09K — $14.46M 0.0% n/c 1 SEC ↗ ×2
100 Prudential Financial Inc 211.97K — $14.25M 0.0% n/c 1 SEC ↗ ×2

“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.

New buyers

Norges Bank $476.76M 0.1%

Exited

Arrowstreet Capital $38.30M was 0.0%

Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 787 holders, 405.09M shares, $16.02B reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.

Frequently co-owned

What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.

Insider transactions

Open-market purchases (P)

No open-market insider purchases in our coverage window.

Open-market sales (S)

Aug 07 Cann Cynthia Cammett

Officer · 4.79K sh · $147,375

Aug 05 Hill John W

Director · 3.50K sh · $105,735

Awards, exercises and tax withholding are never counted as buys or sales here. Methodology

Beneficial ownership
Aug 14 SC 13G — BAMCO INC /NY/

View original SEC filing ↗

Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR. Reporting period: Q4 2025 · Methodology · Get this via the API