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
Q3 		– Sell
-72,405
Closed -$1.13M – 8201
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

Acadian Asset Management
Acadian Asset Management Boston, Massachusetts $85.7B AUM 51.02% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $551B AUM 33.95% 1-Year Est. Return
Boston Partners
Boston Partners Boston, Massachusetts $111B AUM 30.48% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.92T AUM 36.1% 1-Year Est. Return
Nuveen
Nuveen Charlotte, North Carolina $420B AUM 34.97% 1-Year Est. Return
SC
Simcoe Capital Spokane, Washington $146M AUM 53.45% 1-Year Est. Return
UBS Group
UBS Group Zurich, Switzerland $765B AUM 28.39% 1-Year Est. Return
CenterBook Partners
CenterBook Partners Greenwich, Connecticut $2.18B AUM 12.5% 1-Year Est. Return
Avestar Capital
Avestar Capital New York $1.27B AUM 25.49% 1-Year Est. Return
Russell Investments Group
Russell Investments Group London, United Kingdom $114B AUM 33.83% 1-Year Est. Return

Group One Trading's PUBM Position: Q3 2026 in Review

Group One Trading sold out of PubMatic (PUBM) in Q3 2026, closing a stake of 72,405 shares — an estimated $1.13M sold.

Group One Trading first reported a position in PUBM in Q1 2022 and held it in 15 quarters. The position peaked at $950K in Q2 2026. 75 funds tracked by Wall St. Rank hold PUBM as of Q3 2026.

  • Group One Trading reported no remaining PubMatic position as of Q3 2026 after selling out during the quarter.
  • Group One Trading sold 72,405 PubMatic shares in Q3 2026, an estimated $1.13M.
  • Group One Trading first reported a position in PubMatic in Q1 2022 and held it in 15 quarters.
  • Group One Trading's PubMatic position peaked at $950K in Q2 2026.
  • 75 funds tracked by Wall St. Rank held PubMatic as of Q3 2026.

Based on Group One Trading's 13F filing for Q3 2026, filed 10 Nov 2026.