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Granahan Investment Management’s Rogers Corp ROG Stock Holding History

Granahan Investment Management’s Portfolio ROG Stock Details ROG Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$2.81M Sell
17,146
-15,723
-48% -$2.16M 0.1% 133
2026
Q1 		$3.53M Buy
+32,869
New +$3.38M 0.17% 121
2025
Q1 		– Sell
-18,145
Closed -$1.84M – 186
2024
Q4 		$1.84M Sell
18,145
-8,061
-31% -$840K 0.08% 151
2024
Q3 		$2.96M Sell
26,206
-258
-1% -$28.8K 0.12% 156
2024
Q2 		$3.19M Buy
26,464
+5,934
+29% +$696K 0.13% 151
2024
Q1 		$2.44M Buy
20,530
+9,057
+79% +$1.06M 0.09% 156
2023
Q4 		$1.52M Sell
11,473
-12,800
-53% -$1.64M 0.05% 165
2023
Q3 		$3.19M Buy
+24,273
New +$3.62M 0.11% 144
2018
Q1 		– Sell
-1,828
Closed -$296K – 224
2017
Q4 		$296K Hold
1,828
– – 0.02% 202
2017
Q3 		$244K Buy
+1,828
New +$217K 0.02% 214

Other funds holding ROG

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Capital Research Global Investors
Capital Research Global Investors Los Angeles, California $717B AUM 35.42% 1-Year Est. Return
Norges Bank
Norges Bank Oslo, Norway $1T AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
State Street
State Street Boston, Massachusetts $3.38T AUM 44.17% 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
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return
CC
Clearline Capital New York $1.68B AUM 53.07% 1-Year Est. Return

Granahan Investment Management's ROG Position: Q2 2026 in Review

Granahan Investment Management reduced its Rogers Corp (ROG) stake by 48% in Q2 2026, selling an estimated $2.16M and leaving 17,146 shares worth $2.81M. The position accounts for 0.1% of the portfolio, ranked #133.

Granahan Investment Management first reported a position in ROG in Q3 2017 and has held it in 10 quarters since. The position peaked at $3.53M in Q1 2026. 311 funds tracked by Wall St. Rank hold ROG as of Q2 2026.

  • Granahan Investment Management held 17,146 shares of Rogers Corp worth $2.81M as of Q2 2026.
  • Granahan Investment Management sold 15,723 Rogers Corp shares in Q2 2026, an estimated $2.16M.
  • Rogers Corp made up 0.1% of Granahan Investment Management's portfolio in Q2 2026, its #133 holding.
  • Granahan Investment Management first reported a position in Rogers Corp in Q3 2017 and has held it in 10 quarters since.
  • Granahan Investment Management's Rogers Corp position peaked at $3.53M in Q1 2026.
  • 311 funds tracked by Wall St. Rank held Rogers Corp as of Q2 2026.

Based on Granahan Investment Management's 13F filing for Q2 2026, filed 14 Aug 2026.