Group One Trading
PUBM icon

Group One Trading’s PubMatic PUBM Stock Holding History

Group One Trading’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
Q2 		$950K Buy
72,405
+8,568
+13% +$89K ﹤0.01% 2919
2026
Q1 		$522K Buy
63,837
+59,148
+1,261% +$455K ﹤0.01% 3301
2025
Q4 		$41.6K Sell
4,689
-16,027
-77% -$140K ﹤0.01% 5754
2025
Q3 		$172K Buy
+20,716
New +$211K ﹤0.01% 4834
2025
Q2 		– Sell
-8,460
Closed -$89.2K – 8524
2025
Q1 		$77.3K Buy
+8,460
New +$112K ﹤0.01% 4805
2024
Q3 		– Sell
-25,389
Closed -$441K – 7226
2024
Q2 		$516K Buy
25,389
+21,042
+484% +$469K ﹤0.01% 2534
2024
Q1 		$103K Sell
4,347
-3,430
-44% -$61.5K ﹤0.01% 4126
2023
Q4 		$127K Sell
7,777
-21,601
-74% -$313K ﹤0.01% 4257
2023
Q3 		$355K Buy
29,378
+10,592
+56% +$161K ﹤0.01% 3267
2023
Q2 		$343K Sell
18,786
-10,334
-35% -$164K ﹤0.01% 3406
2023
Q1 		$402K Sell
29,120
-8,022
-22% -$116K ﹤0.01% 2969
2022
Q4 		$476K Buy
37,142
+32,246
+659% +$506K ﹤0.01% 3090
2022
Q3 		$81K Sell
4,896
-40,745
-89% -$736K ﹤0.01% 4972
2022
Q2 		$725K Buy
45,641
+18,904
+71% +$405K ﹤0.01% 3068
2022
Q1 		$698K Buy
+26,737
New +$685K ﹤0.01% 3466

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
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
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Renaissance Technologies
Renaissance Technologies New York $72.6B AUM 54.88% 1-Year Est. Return
WCM
Whitefort Capital Management New York $406M AUM 84.26% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Jacobs Levy Equity Management
Jacobs Levy Equity Management Florham Park, New Jersey $27.8B AUM 46.46% 1-Year Est. Return

Group One Trading's PUBM Position: Q2 2026 in Review

Group One Trading increased its PubMatic (PUBM) stake by 13% in Q2 2026, buying an estimated $89K and bringing the position to 72,405 shares worth $950K. The position accounts for ﹤0.01% of the portfolio, ranked #2919.

Group One Trading first reported a position in PUBM in Q1 2022 and has held it in 15 quarters since. 153 funds tracked by Wall St. Rank hold PUBM as of Q2 2026.

  • Group One Trading held 72,405 shares of PubMatic worth $950K as of Q2 2026.
  • Group One Trading bought 8,568 PubMatic shares in Q2 2026, an estimated $89K.
  • PubMatic made up ﹤0.01% of Group One Trading's portfolio in Q2 2026, its #2919 holding.
  • Group One Trading first reported a position in PubMatic in Q1 2022 and has held it in 15 quarters since.
  • 153 funds tracked by Wall St. Rank held PubMatic as of Q2 2026.

Based on Group One Trading's 13F filing for Q2 2026, filed 14 Aug 2026.