RhumbLine Advisers
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RhumbLine Advisers’s PubMatic PUBM Stock Holding History

RhumbLine Advisers’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 		$650K Sell
49,564
-189
-0.4% -$1.96K ﹤0.01% 2584
2026
Q1 		$407K Sell
49,753
-3,101
-6% -$23.8K ﹤0.01% 2734
2025
Q4 		$469K Sell
52,854
-9,428
-15% -$82.1K ﹤0.01% 2697
2025
Q3 		$516K Sell
62,282
-3,558
-5% -$36.2K ﹤0.01% 2674
2025
Q2 		$819K Buy
65,840
+5,828
+10% +$61.4K ﹤0.01% 2352
2025
Q1 		$548K Buy
60,012
+1,341
+2% +$17.7K ﹤0.01% 2514
2024
Q4 		$862K Buy
58,671
+577
+1% +$8.94K ﹤0.01% 2324
2024
Q3 		$864K Sell
58,094
-2,998
-5% -$52.1K ﹤0.01% 2342
2024
Q2 		$1.24M Sell
61,092
-7,335
-11% -$163K ﹤0.01% 2131
2024
Q1 		$1.62M Sell
68,427
-474
-0.7% -$8.5K ﹤0.01% 2003
2023
Q4 		$1.12M Buy
68,901
+998
+1% +$14.5K ﹤0.01% 2192
2023
Q3 		$822K Buy
67,903
+652
+1% +$9.92K ﹤0.01% 2321
2023
Q2 		$1.23M Buy
67,251
+10,833
+19% +$172K ﹤0.01% 2181
2023
Q1 		$780K Buy
56,418
+2,796
+5% +$40.4K ﹤0.01% 2238
2022
Q4 		$687K Buy
53,622
+1,321
+3% +$20.7K ﹤0.01% 2320
2022
Q3 		$870K Buy
52,301
+5,391
+11% +$97.4K ﹤0.01% 2217
2022
Q2 		$745K Buy
+46,910
New +$1M ﹤0.01% 2287

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

RhumbLine Advisers's PUBM Position: Q2 2026 in Review

RhumbLine Advisers reduced its PubMatic (PUBM) stake by 0.38% in Q2 2026, selling an estimated $1.96K and leaving 49,564 shares worth $650K. The position accounts for ﹤0.01% of the portfolio, ranked #2584.

RhumbLine Advisers first reported a position in PUBM in Q2 2022 and has held it in 17 quarters since. The position peaked at $1.62M in Q1 2024. 153 funds tracked by Wall St. Rank hold PUBM as of Q2 2026.

  • RhumbLine Advisers held 49,564 shares of PubMatic worth $650K as of Q2 2026.
  • RhumbLine Advisers sold 189 PubMatic shares in Q2 2026, an estimated $1.96K.
  • PubMatic made up ﹤0.01% of RhumbLine Advisers's portfolio in Q2 2026, its #2584 holding.
  • RhumbLine Advisers first reported a position in PubMatic in Q2 2022 and has held it in 17 quarters since.
  • RhumbLine Advisers's PubMatic position peaked at $1.62M in Q1 2024.
  • 153 funds tracked by Wall St. Rank held PubMatic as of Q2 2026.

Based on RhumbLine Advisers's 13F filing for Q2 2026, filed 12 Aug 2026.