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Security record · archived quarter

PUBM

PubMatic, Inc. · Technology · Software - Application

17.24 +0.4% mkt cap $785.28M quote delayed (FMP) · as of Oct 25 03:59 UTC · separate from filing data below

Q3 2026 Q2 2026 Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024
75Tracked holders
+5Δ holders
16.23MShares held
$132.84MReported value
+8New positions
−3Exits
Stable Conviction score 40/100 How these are computed → Explain this at the Research Desk →

Momentum inputs (comparable managers): holder breadth +7.1% · share flow -7.0% · net new positions +6.7% · formula
Ownership fragmentation: more holders, smaller aggregate stake

All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q1 2026

Ownership over time
QuarterHoldersΔSharesReported valueNewExits
Q3 2026 1 0 15.10K $281,991 n/a n/a
Q2 2026 75 +2 17.46M $228.88M +4 −2
Q1 2026 75 +5 16.23M $132.84M +8 −3
Q4 2025 70 +2 18.22M $161.61M +2 n/a
Q3 2025 15 -1 13.28M $109.96M n/a −1
Q2 2025 13 0 11.64M $144.76M +1 −1
Q1 2025 10 0 4.81M $43.92M +1 −1
Q4 2024 10 -1 4.49M $65.98M n/a −1
Q3 2024 10 0 3.29M $48.87M +2 −2
Q2 2024 10 n/a 3.01M $61.05M n/a n/a
Holder count
Who holds it · Q1 2026
#ManagerSharesΔ sharesValueTheir weightHeld
1 BlackRock ✦ (passive) 3.07M -1.9% $25.07M 0.0% ▼ Trim 4 SEC ↗ ×11
2 Vanguard Capital Management Llc 1.61M n/a $13.20M 0.0% n/c 1 SEC ↗
3 Renaissance Technologies ✦ 1.54M +26.3% $12.60M 0.0% ▲ Add 8 SEC ↗
4 Dimensional Fund Advisors Lp 1.25M -2.1% $10.19M 0.0% ▼ Trim 2 SEC ↗ ×4
5 Geode Capital Management ✦ (passive) 950.61K +4.9% $7.78M 0.0% ▲ Add 8 SEC ↗ ×2
6 State Street Global Advisors ✦ (passive) 791.42K -4.7% $6.47M 0.0% ▼ Trim 6 SEC ↗
7 Royal Bank Of Canada 740.28K -14.2% $6.05M 0.0% ▼ Trim 2 SEC ↗ ×5
8 Two Sigma Investments ✦ 534.45K +12.7% $4.37M 0.0% ▲ Add 4 SEC ↗
9 D. E. Shaw & Co. ✦ 445.11K -18.6% $3.64M 0.0% ▼ Trim 7 SEC ↗
10 Goldman Sachs Group ✦ 354.20K +42.0% $2.90M 0.0% ▲ Add 3 SEC ↗ ×2
11 Tudor Investment Corp Et Al 351.11K +248.9% $2.87M 0.0% ▲ Add 2 SEC ↗
12 Morgan Stanley ✦ 341.67K +6.6% $2.79M 0.0% ▲ Add 3 SEC ↗ ×8
13 Charles Schwab Investment… 294.80K -1.8% $2.41M 0.0% ▼ Trim 2 SEC ↗
14 Northern Trust Corp 290.56K +7.8% $2.38M 0.0% ▲ Add 2 SEC ↗ ×3
15 Susquehanna International Group, Llp 238.98K +65.6% $1.95M 0.0% ▲ Add 2 SEC ↗
16 JPMorgan Chase ✦ 240.47K +153.3% $1.95M 0.0% ▲ Add 3 SEC ↗ ×3
17 Jane Street Group, Llc 210.00K +1.6% $1.72M 0.0% ▲ Add 2 SEC ↗ ×2
18 Quantinno Capital Management LP 206.81K +248.0% $1.69M 0.0% ▲ Add 2 SEC ↗
19 Arrowstreet Capital ✦ 206.29K New $1.69M 0.0% New 1 SEC ↗
20 Citadel Advisors ✦ 149.04K -44.0% $1.22M 0.0% ▼ Trim 8 SEC ↗ ×2
21 Franklin Resources Inc 138.18K +47.1% $1.13M 0.0% ▲ Add 2 SEC ↗ ×3
22 Ameriprise Financial Inc 134.00K -17.2% $1.10M 0.0% ▼ Trim 2 SEC ↗
23 AQR Capital Management ✦ 124.95K New $1.02M 0.0% New 1 SEC ↗ ×5
24 MIRAE ASSET GLOBAL ETFS HOLDINGS… 120.75K -8.6% $987,751 0.0% ▼ Trim 2 SEC ↗
25 Invesco Ltd. 117.77K +11.6% $963,326 0.0% ▲ Add 2 SEC ↗ ×3
26 Man Group plc 117.73K New $963,031 0.0% New 1 SEC ↗
27 Bank of New York Mellon Corp 113.31K -6.6% $926,869 0.0% ▼ Trim 2 SEC ↗ ×3
28 American Century Companies Inc 112.27K -1.6% $918,385 0.0% ▼ Trim 2 SEC ↗
29 Bank Of America Corp /De/ 95.43K -4.6% $780,617 0.0% ▼ Trim 2 SEC ↗
30 Millennium Management ✦ 92.02K -90.0% $752,748 0.0% ▼ Trim 8 SEC ↗
31 Hsbc Holdings Plc 90.32K -30.1% $746,938 0.0% ▼ Trim 2 SEC ↗
32 Nuveen, LLC 82.93K +0.7% $678,392 0.0% ▲ Add 2 SEC ↗ ×2
33 Deutsche Bank Ag\ 82.06K -43.5% $671,267 0.0% ▼ Trim 2 SEC ↗
34 UBS Group AG 78.58K -45.4% $642,784 0.0% ▼ Trim 2 SEC ↗ ×2
35 Victory Capital Management Inc 77.23K +11.0% $631,758 0.0% ▲ Add 2 SEC ↗
36 Barclays Plc 76.91K -39.0% $629,092 0.0% ▼ Trim 2 SEC ↗ ×3
37 Russell Investments Group, Ltd. 66.29K +56.8% $541,886 0.0% ▲ Add 2 SEC ↗ ×8
38 Group One Trading Llc 63.84K +1261.4% $522,187 0.0% ▲ Add 2 SEC ↗
39 Wells Fargo & Company/Mn 60.75K -25.9% $496,911 0.0% ▼ Trim 2 SEC ↗ ×3
40 Canada Pension Plan Investment Board 59.40K +216.0% $485,892 0.0% ▲ Add 2 SEC ↗
41 Voya Investment Management Llc 53.33K +5.4% $436,256 0.0% ▲ Add 2 SEC ↗ ×2
42 Rhumbline Advisers 49.75K -5.9% $406,972 0.0% ▼ Trim 2 SEC ↗
43 Creative Planning 48.25K +153.1% $394,677 0.0% ▲ Add 2 SEC ↗
44 Alliancebernstein L.P. 36.20K 0.0% $321,094 0.0% Held 2 SEC ↗
45 Balyasny Asset Management L.P. 37.41K -31.3% $305,973 0.0% ▼ Trim 2 SEC ↗ ×2
46 IMC-Chicago, LLC 36.84K New $301,368 0.0% New 1 SEC ↗
47 T. Rowe Price ✦ 30.93K +35.4% $253,000 0.0% ▲ Add 8 SEC ↗
48 Squarepoint Ops LLC 23.11K -65.9% $189,073 0.0% ▼ Trim 2 SEC ↗
49 Point72 Asset Management ✦ 22.30K -86.0% $182,439 0.0% ▼ Trim 2 SEC ↗
50 Simplex Trading, Llc 20.99K +85.3% $171,690 0.0% ▲ Add 2 SEC ↗
51 Focus Partners Wealth 13.92K New $133,200 0.0% New 1 SEC ↗
52 Mercer Global Advisors Inc /Adv 15.96K New $130,576 0.0% New 1 SEC ↗
53 Sei Investments Co 15.77K New $129,019 0.0% New 1 SEC ↗ ×2
54 Walleye Trading LLC 13.08K -57.2% $107,019 0.0% ▼ Trim 2 SEC ↗
55 State Board Of Administration Of… 12.43K 0.0% $101,677 0.0% Held 2 SEC ↗
56 Cetera Investment Advisers 12.26K -0.8% $100,279 0.0% ▼ Trim 2 SEC ↗
57 New York State Common Retirement… 11.75K 0.0% $96,131 0.0% Held 2 SEC ↗
58 Manufacturers Life Insurance… 10.64K -11.0% $87,011 0.0% ▼ Trim 2 SEC ↗
59 Bnp Paribas Financial Markets 9.65K -86.6% $78,912 0.0% ▼ Trim 2 SEC ↗
60 Fidelity (FMR) ✦ 9.06K +122.6% $74,080 0.0% ▲ Add 4 SEC ↗ ×3
61 Legal & General Group Plc 8.48K 0.0% $69,342 0.0% Held 2 SEC ↗ ×2
62 Cwm, Llc 6.75K +844.1% $55,215 0.0% ▲ Add 2 SEC ↗
63 Rockefeller Capital Management L.P. 5.03K +280.5% $41,178 0.0% ▲ Add 2 SEC ↗ ×3
64 Citigroup Inc 4.91K +20.8% $40,122 0.0% ▲ Add 2 SEC ↗ ×3
65 Mirae Asset Global Investments Co.… 4.16K -22.3% $34,053 0.0% ▼ Trim 2 SEC ↗
66 California State Teachers… 2.04K -12.1% $16,663 0.0% ▼ Trim 2 SEC ↗
67 Jones Financial Companies Lllp 1.95K +42.8% $15,995 0.0% ▲ Add 2 SEC ↗
68 UBS AM, a distinct business unit of… 757 +63.5% $6,192 0.0% ▲ Add 2 SEC ↗
69 Us Bancorp \De\ 386 -77.6% $3,158 0.0% ▼ Trim 2 SEC ↗ ×2
70 Fifth Third Bancorp 335 New $2,737 0.0% New 1 SEC ↗
71 National Bank Of Canada /Fi/ 325 0.0% $2,658 0.0% Held 2 SEC ↗
72 Osaic Holdings, Inc. 172 -54.9% $1,406 0.0% ▼ Trim 2 SEC ↗
73 Optiver Holding B.V. 164 +15.5% $1,342 0.0% ▲ Add 2 SEC ↗
74 Pnc Financial Services Group, Inc. 74 +362.5% $605 0.0% ▲ Add 2 SEC ↗
75 Northwestern Mutual Wealth… 50 0.0% $409 0.0% Held 2 SEC ↗

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

New buyers

Arrowstreet Capital $1.69M 0.0%
AQR Capital Management $1.02M 0.0%
Man Group plc $963,031 0.0%
IMC-Chicago, LLC $301,368 0.0%
Focus Partners Wealth $133,200 0.0%
Mercer Global Advisors Inc… $130,576 0.0%
Sei Investments Co $129,019 0.0%
Fifth Third Bancorp $2,737 0.0%

Exited

Wellington Management $10.39M was 0.0%
Marshall Wace $1.29M was 0.0%
Hrt Financial Lp $275,000 was 0.0%

Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 153 holders, 28.60M shares, $192.36M 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)

Oct 22 Goel Rajeev K.

Officer, Director, 10% owner · 50.02K sh · $863,237

Oct 16 Kumar Mukul

Officer · 2.60K sh · $46,240

Oct 16 Kumar Mukul

Officer · 5.40K sh · $90,744

Oct 05 Pantelick Steven

Officer · 22.17K sh · $413,815

Oct 05 Woods Andrew

Officer · 10.08K sh · $187,997

Oct 05 Goel Amar K.

Officer, Director, 10% owner · 10.79K sh · $201,488

Oct 02 Goel Amar K.

Officer, Director, 10% owner · 6.65K sh · $125,896

Oct 02 Goel Rajeev K.

Officer, Director, 10% owner · 4.47K sh · $86,951

Oct 02 Goel Rajeev K.

Officer, Director, 10% owner · 45.76K sh · $866,149

Oct 02 Goel Amar K.

Officer, Director, 10% owner · 651 sh · $12,649

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

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: Q1 2026 · Methodology · Get this via the API