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Corton Capital’s PubMatic PUBM Stock Holding History

Corton Capital’s Portfolio PUBM Stock Details PUBM Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q3 		$94.1K Sell
11,362
-5,522
-33% -$56.2K 0.23% 178
2025
Q2 		$210K Buy
16,884
+6,884
+69% +$72.6K 0.24% 221
2025
Q1 		$91.4K Buy
+10,000
New +$132K 0.3% 137
2024
Q4 		– Sell
-12,250
Closed -$182K – 587
2024
Q3 		$182K Sell
12,250
-11,896
-49% -$207K 0.09% 399
2024
Q2 		$490K Buy
24,146
+7,929
+49% +$177K 0.26% 50
2024
Q1 		$385K Buy
+16,217
New +$291K 0.14% 196

Other funds holding PUBM

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
GHC
Graham Holdings Company Arlington, Virginia $967M AUM 15.12% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $63.9B AUM 45.56% 1-Year Est. Return
Royal Bank of Canada
Royal Bank of Canada Toronto, Ontario, Canada $570B AUM 27.57% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Jacobs Levy Equity Management
Jacobs Levy Equity Management Florham Park, New Jersey $23.8B AUM 25.4% 1-Year Est. Return

Corton Capital's PUBM Position: Q3 2025 in Review

Corton Capital reduced its PubMatic (PUBM) stake by 33% in Q3 2025, selling an estimated $56.2K and leaving 11,362 shares worth $94.1K. The position accounts for 0.23% of the portfolio, ranked #178.

Corton Capital first reported a position in PUBM in Q1 2024 and has held it in 6 quarters since. The position peaked at $490K in Q2 2024. 150 funds tracked by Wall St. Rank hold PUBM as of Q3 2025.

  • Corton Capital held 11,362 shares of PubMatic worth $94.1K as of Q3 2025.
  • Corton Capital sold 5,522 PubMatic shares in Q3 2025, an estimated $56.2K.
  • PubMatic made up 0.23% of Corton Capital's portfolio in Q3 2025, its #178 holding.
  • Corton Capital first reported a position in PubMatic in Q1 2024 and has held it in 6 quarters since.
  • Corton Capital's PubMatic position peaked at $490K in Q2 2024.
  • 150 funds tracked by Wall St. Rank held PubMatic as of Q3 2025.

Based on Corton Capital's 13F filing for Q3 2025, filed 14 Nov 2025.