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PUBM icon

AlphaQuest’s PubMatic PUBM Stock Holding History

AlphaQuest’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
2026
Q1 		– Sell
-47,715
Closed -$423K – 1575
2025
Q4 		$423K Sell
47,715
-9,813
-17% -$85.5K 0.02% 954
2025
Q3 		$476K Buy
57,528
+46,482
+421% +$473K 0.03% 821
2025
Q2 		$137K Sell
11,046
-2,779
-20% -$29.3K 0.01% 1314
2025
Q1 		$126K Sell
13,825
-53,038
-79% -$699K 0.01% 1205
2024
Q4 		$982K Buy
66,863
+26,324
+65% +$408K 0.13% 241
2024
Q3 		$603K Buy
40,539
+22,956
+131% +$399K 0.05% 588
2024
Q2 		$357K Buy
17,583
+14,926
+562% +$333K 0.05% 580
2024
Q1 		$63K Buy
+2,657
New +$47.6K 0.01% 900

Other funds holding PUBM

GHC
Graham Holdings Company Arlington, Virginia $1.08B AUM 28.93% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
CP
CenterBook Partners Greenwich, Connecticut $2.04B AUM 35.27% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $84.2B AUM 55.88% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $72.6B AUM 54.88% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Jacobs Levy Equity Management
Jacobs Levy Equity Management Florham Park, New Jersey $27.8B AUM 46.46% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

AlphaQuest's PUBM Position: Q1 2026 in Review

AlphaQuest sold out of PubMatic (PUBM) in Q1 2026, closing a stake of 47,715 shares — an estimated $423K sold.

AlphaQuest first reported a position in PUBM in Q1 2024 and held it in 8 quarters. The position peaked at $982K in Q4 2024. 153 funds tracked by Wall St. Rank hold PUBM as of Q1 2026.

  • AlphaQuest reported no remaining PubMatic position as of Q1 2026 after selling out during the quarter.
  • AlphaQuest sold 47,715 PubMatic shares in Q1 2026, an estimated $423K.
  • AlphaQuest first reported a position in PubMatic in Q1 2024 and held it in 8 quarters.
  • AlphaQuest's PubMatic position peaked at $982K in Q4 2024.
  • 153 funds tracked by Wall St. Rank held PubMatic as of Q1 2026.

Based on AlphaQuest's 13F filing for Q1 2026.