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Granahan Investment Management’s Materion MTRN Stock Holding History

Granahan Investment Management’s Portfolio MTRN Stock Details MTRN Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$20.8M Sell
69,793
-74,683
-52% -$15.6M 0.74% 38
2026
Q1 		$20.9M Buy
144,476
+6,250
+5% +$909K 1.01% 30
2025
Q4 		$17.2M Buy
138,226
+43,950
+47% +$5.42M 0.74% 41
2025
Q3 		$11.4M Sell
94,276
-26,729
-22% -$2.81M 0.47% 55
2025
Q2 		$9.6M Sell
121,005
-3,484
-3% -$275K 0.39% 67
2025
Q1 		$10.2M Sell
124,489
-1,878
-1% -$177K 0.51% 59
2024
Q4 		$12.5M Sell
126,367
-10,328
-8% -$1.12M 0.52% 54
2024
Q3 		$15.3M Sell
136,695
-57,453
-30% -$6.39M 0.6% 45
2024
Q2 		$21M Sell
194,148
-458
-0.2% -$52.6K 0.84% 33
2024
Q1 		$25.6M Sell
194,606
-32,323
-14% -$4.1M 0.9% 33
2023
Q4 		$29.5M Sell
226,929
-4,963
-2% -$544K 0.98% 27
2023
Q3 		$23.6M Sell
231,892
-2,646
-1% -$289K 0.84% 33
2023
Q2 		$26.8M Sell
234,538
-739
-0.3% -$80.2K 0.82% 33
2023
Q1 		$27.3M Sell
235,277
-4,355
-2% -$437K 0.83% 33
2022
Q4 		$21M Buy
239,632
+65,848
+38% +$5.38M 0.64% 40
2022
Q3 		$13.9M Buy
173,784
+24,868
+17% +$2.05M 0.45% 61
2022
Q2 		$11M Sell
148,916
-11,621
-7% -$933K 0.38% 78
2022
Q1 		$13.8M Sell
160,537
-79,188
-33% -$6.77M 0.34% 78
2021
Q4 		$22M Buy
239,725
+7,604
+3% +$634K 0.45% 56
2021
Q3 		$15.9M Buy
232,121
+17,053
+8% +$1.22M 0.3% 84
2021
Q2 		$16.2M Buy
215,068
+44,465
+26% +$3.3M 0.3% 79
2021
Q1 		$11.3M Sell
170,603
-29,296
-15% -$2.03M 0.24% 83
2020
Q4 		$12.7M Sell
199,899
-32,636
-14% -$1.88M 0.29% 77
2020
Q3 		$12.1M Sell
232,535
-26,251
-10% -$1.49M 0.41% 72
2020
Q2 		$15.9M Buy
258,786
+58,586
+29% +$2.96M 0.58% 53
2020
Q1 		$7.01M Sell
200,200
-494
-0.2% -$24.5K 0.38% 74
2019
Q4 		$11.9M Sell
200,694
-521
-0.3% -$30.8K 0.55% 51
2019
Q3 		$12.3M Buy
201,215
+7,977
+4% +$495K 0.68% 40
2019
Q2 		$13.1M Buy
193,238
+173,306
+869% +$10.9M 0.65% 43
2019
Q1 		$1.14M Buy
+19,932
New +$1.04M 0.06% 168

Other funds holding MTRN

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 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
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
American Century Companies
American Century Companies Kansas City, Missouri $226B AUM 44.75% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
Fisher Asset Management
Fisher Asset Management Camas, Washington $336B AUM 34.66% 1-Year Est. Return
Barrow, Hanley, Mewhinney & Strauss
Barrow, Hanley, Mewhinney & Strauss Dallas, Texas $33B AUM 40.62% 1-Year Est. Return

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

Granahan Investment Management reduced its Materion (MTRN) stake by 52% in Q2 2026, selling an estimated $15.6M and leaving 69,793 shares worth $20.8M. The position accounts for 0.74% of the portfolio, ranked #38.

Granahan Investment Management first reported a position in MTRN in Q1 2019 and has held it in 30 quarters since. The position peaked at $29.5M in Q4 2023. 402 funds tracked by Wall St. Rank hold MTRN as of Q2 2026.

  • Granahan Investment Management held 69,793 shares of Materion worth $20.8M as of Q2 2026.
  • Granahan Investment Management sold 74,683 Materion shares in Q2 2026, an estimated $15.6M.
  • Materion made up 0.74% of Granahan Investment Management's portfolio in Q2 2026, its #38 holding.
  • Granahan Investment Management first reported a position in Materion in Q1 2019 and has held it in 30 quarters since.
  • Granahan Investment Management's Materion position peaked at $29.5M in Q4 2023.
  • 402 funds tracked by Wall St. Rank held Materion as of Q2 2026.

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