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West Branch Capital’s PubMatic PUBM Stock Holding History

West Branch 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
Q4 		– Sell
-5
Closed -$57 – 454
2025
Q3 		$57 Hold
5
– – ﹤0.01% 450
2025
Q2 		$57 Hold
5
– – ﹤0.01% 470
2025
Q1 		$46 Hold
5
– – ﹤0.01% 528
2024
Q4 		$74 Hold
5
– – ﹤0.01% 539
2024
Q3 		$75 Hold
5
– – ﹤0.01% 559
2024
Q2 		$102 Hold
5
– – ﹤0.01% 425
2024
Q1 		$119 Buy
+5
New +$90 ﹤0.01% 416

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
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
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
CP
CenterBook Partners Greenwich, Connecticut $1.86B AUM 24.52% 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
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $70.5B AUM 36% 1-Year Est. Return
Millennium Management
Millennium Management New York $240B AUM 35.51% 1-Year Est. Return

West Branch Capital's PUBM Position: Q4 2025 in Review

West Branch Capital sold out of PubMatic (PUBM) in Q4 2025, closing a stake of 5 shares — an estimated $57 sold.

West Branch Capital first reported a position in PUBM in Q1 2024 and held it in 7 quarters. The position peaked at $119 in Q1 2024. 152 funds tracked by Wall St. Rank hold PUBM as of Q4 2025.

  • West Branch Capital reported no remaining PubMatic position as of Q4 2025 after selling out during the quarter.
  • West Branch Capital sold 5 PubMatic shares in Q4 2025, an estimated $57.
  • West Branch Capital first reported a position in PubMatic in Q1 2024 and held it in 7 quarters.
  • West Branch Capital's PubMatic position peaked at $119 in Q1 2024.
  • 152 funds tracked by Wall St. Rank held PubMatic as of Q4 2025.

Based on West Branch Capital's 13F filing for Q4 2025, filed 16 Jan 2026.