Vanguard Group
TSE

Vanguard Group’s Trinseo TSE Stock Holding History

Vanguard Group’s Portfolio TSE Stock Details TSE Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2025
Q4 		$379K Buy
762,828
+7,185
+1% +$8.56K ﹤0.01% 3997
2025
Q3 		$1.78M Sell
755,643
-321,008
-30% -$835K ﹤0.01% 3613
2025
Q2 		$3.36M Buy
1,076,651
+115,899
+12% +$382K ﹤0.01% 3349
2025
Q1 		$3.54M Buy
960,752
+4,374
+0.5% +$19.9K ﹤0.01% 3296
2024
Q4 		$4.88M Sell
956,378
-13,455
-1% -$66.4K ﹤0.01% 3283
2024
Q3 		$4.96M Sell
969,833
-49,361
-5% -$164K ﹤0.01% 3274
2024
Q2 		$2.35M Sell
1,019,194
-96,293
-9% -$300K ﹤0.01% 3504
2024
Q1 		$4.22M Buy
1,115,487
+93,050
+9% +$497K ﹤0.01% 3364
2023
Q4 		$8.56M Buy
1,022,437
+89,953
+10% +$602K ﹤0.01% 3038
2023
Q3 		$7.62M Sell
932,484
-681,357
-42% -$8.64M ﹤0.01% 3051
2023
Q2 		$20.4M Buy
1,613,841
+47,528
+3% +$768K ﹤0.01% 2583
2023
Q1 		$32.7M Buy
1,566,313
+17,050
+1% +$417K ﹤0.01% 2373
2022
Q4 		$35.2M Buy
1,549,263
+10,431
+0.7% +$230K ﹤0.01% 2341
2022
Q3 		$28.2M Sell
1,538,832
-60,916
-4% -$1.91M ﹤0.01% 2475
2022
Q2 		$61.5M Sell
1,599,748
-145,143
-8% -$6.58M ﹤0.01% 2094
2022
Q1 		$83.6M Buy
1,744,891
+50,488
+3% +$2.65M ﹤0.01% 2048
2021
Q4 		$88.9M Sell
1,694,403
-121,507
-7% -$6.58M ﹤0.01% 2053
2021
Q3 		$98M Buy
1,815,910
+9,203
+0.5% +$479K ﹤0.01% 1990
2021
Q2 		$108M Buy
1,806,707
+225,967
+14% +$14.4M ﹤0.01% 1961
2021
Q1 		$101M Buy
1,580,740
+55,421
+4% +$3.38M ﹤0.01% 1941
2020
Q4 		$78.1M Buy
1,525,319
+44,794
+3% +$1.71M ﹤0.01% 1960
2020
Q3 		$38M Buy
1,480,525
+16,709
+1% +$417K ﹤0.01% 2149
2020
Q2 		$32.4M Sell
1,463,816
-129,888
-8% -$2.66M ﹤0.01% 2210
2020
Q1 		$28.9M Sell
1,593,704
-34,595
-2% -$918K ﹤0.01% 2114
2019
Q4 		$60.6M Buy
1,628,299
+20,386
+1% +$828K ﹤0.01% 2013
2019
Q3 		$69.1M Buy
1,607,913
+643,387
+67% +$24M ﹤0.01% 1925
2019
Q2 		$40.8M Sell
964,526
-90,583
-9% -$3.89M ﹤0.01% 2204
2019
Q1 		$47.8M Sell
1,055,109
-15,014
-1% -$727K ﹤0.01% 2108
2018
Q4 		$49M Sell
1,070,123
-4,842
-0.5% -$263K ﹤0.01% 2038
2018
Q3 		$84.2M Buy
1,074,965
+39,453
+4% +$2.95M ﹤0.01% 1890
2018
Q2 		$73.5M Buy
1,035,512
+28,137
+3% +$2.09M ﹤0.01% 1923
2018
Q1 		$74.6M Sell
1,007,375
-188,531
-16% -$14.9M ﹤0.01% 1875
2017
Q4 		$86.8M Sell
1,195,906
-404,888
-25% -$28.9M ﹤0.01% 1797
2017
Q3 		$107M Sell
1,600,794
-666,380
-29% -$44.3M 0.01% 1661
2017
Q2 		$156M Buy
2,267,174
+65,208
+3% +$4.27M 0.01% 1400
2017
Q1 		$148M Sell
2,201,966
-25,882
-1% -$1.74M 0.01% 1427
2016
Q4 		$132M Buy
2,227,848
+56,275
+3% +$3.16M 0.01% 1458
2016
Q3 		$123M Buy
2,171,573
+235,189
+12% +$12.5M 0.01% 1444
2016
Q2 		$83.1M Buy
1,936,384
+515,505
+36% +$22.7M 0.01% 1634
2016
Q1 		$52.3M Buy
1,420,879
+160,702
+13% +$4.57M ﹤0.01% 1844
2015
Q4 		$35.5M Buy
1,260,177
+150,821
+14% +$4.39M ﹤0.01% 2038
2015
Q3 		$28M Buy
1,109,356
+533,038
+92% +$14.2M ﹤0.01% 2136
2015
Q2 		$15.5M Buy
576,318
+470,154
+443% +$12M ﹤0.01% 2467
2015
Q1 		$2.1M Buy
106,164
+50,309
+90% +$877K ﹤0.01% 3390
2014
Q4 		$975K Buy
55,855
+27,934
+100% +$423K ﹤0.01% 3536
2014
Q3 		$439K Buy
+27,921
New +$522K ﹤0.01% 3750

Other funds holding TSE

MGP
M&G plc London, United Kingdom $19.4B AUM 16.7% 1-Year Est. Return
NTCM
Nut Tree Capital Management New York $245M AUM 34.1% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Charles Schwab
Charles Schwab San Francisco, California $654B AUM 26.35% 1-Year Est. Return
OCAM
Owl Creek Asset Management New York $1.38B AUM 59.67% 1-Year Est. Return
IA
Icon Advisers Greenwood Village, Colorado $433M AUM 40.01% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
CM
CastleKnight Management New York $6B AUM 121.87% 1-Year Est. Return

Vanguard Group's TSE Position: Q4 2025 in Review

Vanguard Group increased its Trinseo (TSE) stake by 0.95% in Q4 2025, buying an estimated $8.56K and bringing the position to 762,828 shares worth $379K. The position accounts for ﹤0.01% of the portfolio, ranked #3997.

Vanguard Group first reported a position in TSE in Q3 2014 and has held it in 46 quarters since. The position peaked at $156M in Q2 2017. 72 funds tracked by Wall St. Rank hold TSE as of Q4 2025.

  • Vanguard Group held 762,828 shares of Trinseo worth $379K as of Q4 2025.
  • Vanguard Group bought 7,185 Trinseo shares in Q4 2025, an estimated $8.56K.
  • Trinseo made up ﹤0.01% of Vanguard Group's portfolio in Q4 2025, its #3997 holding.
  • Vanguard Group first reported a position in Trinseo in Q3 2014 and has held it in 46 quarters since.
  • Vanguard Group's Trinseo position peaked at $156M in Q2 2017.
  • 72 funds tracked by Wall St. Rank held Trinseo as of Q4 2025.

Based on Vanguard Group's 13F filing for Q4 2025, filed 29 Jan 2026.