GW&K Investment Management’s Thermo Fisher Scientific TMO Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q1
$15.7M Sell
32,010
-650
-2% -$353K 0.14% 231
2025
Q4
$18.9M Sell
32,660
-2,788
-8% -$1.58M 0.16% 213
2025
Q3
$17.2M Sell
35,448
-1,063
-3% -$495K 0.15% 218
2025
Q2
$14.8M Sell
36,511
-1,799
-5% -$752K 0.13% 231
2025
Q1
$19.1M Buy
38,310
+583
+2% +$316K 0.18% 205
2024
Q4
$19.6M Sell
37,727
-1,416
-4% -$779K 0.17% 210
2024
Q3
$24.2M Buy
39,143
+8,177
+26% +$4.84M 0.21% 189
2024
Q2
$17.1M Sell
30,966
-339
-1% -$194K 0.16% 210
2024
Q1
$18.2M Buy
31,305
+1,862
+6% +$1.04M 0.16% 201
2023
Q4
$15.6M Buy
29,443
+29,280
+17,963% +$14.2M 0.15% 203
2023
Q3
$83K Buy
163
+27
+20% +$14.4K ﹤0.01% 373
2023
Q2
$71K Buy
+136
New +$73.4K ﹤0.01% 365
2022
Q3
Sell
-365
Closed -$198K 780
2022
Q2
$198K Buy
365
+25
+7% +$13.8K ﹤0.01% 336
2022
Q1
$201K Buy
+340
New +$195K ﹤0.01% 332

Other funds holding TMO

GW&K Investment Management's TMO Position: Q1 2026 in Review

GW&K Investment Management reduced its Thermo Fisher Scientific (TMO) stake by 2% in Q1 2026, selling an estimated $353K and leaving 32,010 shares worth $15.7M. The position accounts for 0.14% of the portfolio, ranked #231.

GW&K Investment Management first reported a position in TMO in Q1 2022 and has held it in 14 quarters since. The position peaked at $24.2M in Q3 2024. 2,589 funds tracked by Wall St. Rank hold TMO as of Q1 2026.

  • GW&K Investment Management held 32,010 shares of Thermo Fisher Scientific worth $15.7M as of Q1 2026.
  • GW&K Investment Management sold 650 Thermo Fisher Scientific shares in Q1 2026, an estimated $353K.
  • Thermo Fisher Scientific made up 0.14% of GW&K Investment Management's portfolio in Q1 2026, its #231 holding.
  • GW&K Investment Management first reported a position in Thermo Fisher Scientific in Q1 2022 and has held it in 14 quarters since.
  • GW&K Investment Management's Thermo Fisher Scientific position peaked at $24.2M in Q3 2024.
  • 2,589 funds tracked by Wall St. Rank held Thermo Fisher Scientific as of Q1 2026.

Based on GW&K Investment Management's 13F filing for Q1 2026, filed 13 May 2026.