Morgan Stanley
TSE

Morgan Stanley’s Trinseo TSE Stock Holding History

Morgan Stanley’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
2026
Q1 		– Sell
-536,422
Closed -$267K – 8504
2025
Q4 		$267K Buy
536,422
+82,135
+18% +$97.9K ﹤0.01% 5811
2025
Q3 		$1.07M Sell
454,287
-13,557
-3% -$35.3K ﹤0.01% 5141
2025
Q2 		$1.46M Buy
467,844
+24,289
+5% +$80.1K ﹤0.01% 4905
2025
Q1 		$1.63M Buy
443,555
+25,280
+6% +$115K ﹤0.01% 4730
2024
Q4 		$2.13M Sell
418,275
-33,746
-7% -$167K ﹤0.01% 4650
2024
Q3 		$2.31M Buy
452,021
+125,803
+39% +$419K ﹤0.01% 4545
2024
Q2 		$754K Sell
326,218
-40,021
-11% -$125K ﹤0.01% 5118
2024
Q1 		$1.38M Sell
366,239
-740,885
-67% -$3.95M ﹤0.01% 4791
2023
Q4 		$9.27M Buy
1,107,124
+869,434
+366% +$5.81M ﹤0.01% 3980
2023
Q3 		$1.94M Sell
237,690
-9,260
-4% -$117K ﹤0.01% 4415
2023
Q2 		$3.13M Sell
246,950
-236,463
-49% -$3.82M ﹤0.01% 4114
2023
Q1 		$10.1M Sell
483,413
-40,599
-8% -$993K ﹤0.01% 3135
2022
Q4 		$11.9M Buy
524,012
+76,002
+17% +$1.68M ﹤0.01% 2909
2022
Q3 		$8.21M Buy
448,010
+90,634
+25% +$2.84M ﹤0.01% 3166
2022
Q2 		$13.7M Buy
357,376
+134,040
+60% +$6.07M ﹤0.01% 2710
2022
Q1 		$10.7M Buy
223,336
+39,003
+21% +$2.05M ﹤0.01% 2829
2021
Q4 		$9.67M Buy
184,333
+14,569
+9% +$789K ﹤0.01% 2979
2021
Q3 		$9.16M Sell
169,764
-46,871
-22% -$2.44M ﹤0.01% 3006
2021
Q2 		$13M Buy
216,635
+70,682
+48% +$4.51M ﹤0.01% 2668
2021
Q1 		$9.29M Buy
145,953
+12,148
+9% +$741K ﹤0.01% 2735
2020
Q4 		$6.85M Buy
133,805
+12,388
+10% +$472K ﹤0.01% 2918
2020
Q3 		$3.11M Sell
121,417
-13,170
-10% -$328K ﹤0.01% 3214
2020
Q2 		$2.98M Sell
134,587
-71,459
-35% -$1.46M ﹤0.01% 3198
2020
Q1 		$3.73M Sell
206,046
-216,177
-51% -$5.73M ﹤0.01% 2736
2019
Q4 		$15.7M Buy
422,223
+249,010
+144% +$10.1M ﹤0.01% 1889
2019
Q3 		$7.44M Buy
173,213
+157,841
+1,027% +$5.88M ﹤0.01% 2436
2019
Q2 		$651K Sell
15,372
-28,963
-65% -$1.24M ﹤0.01% 4459
2019
Q1 		$2.01M Sell
44,335
-58,447
-57% -$2.83M ﹤0.01% 3578
2018
Q4 		$4.71M Sell
102,782
-122,151
-54% -$6.64M ﹤0.01% 2984
2018
Q3 		$17.6M Buy
224,933
+5,821
+3% +$436K ﹤0.01% 1814
2018
Q2 		$15.5M Sell
219,112
-42,024
-16% -$3.13M ﹤0.01% 1892
2018
Q1 		$19.3M Sell
261,136
-562,684
-68% -$44.3M 0.01% 1689
2017
Q4 		$59.8M Buy
823,820
+35,092
+4% +$2.5M 0.02% 827
2017
Q3 		$52.9M Buy
788,728
+141,451
+22% +$9.41M 0.02% 866
2017
Q2 		$44.5M Buy
647,277
+222,098
+52% +$14.5M 0.01% 977
2017
Q1 		$28.5M Buy
425,179
+151,556
+55% +$10.2M 0.01% 1280
2016
Q4 		$16.2M Sell
273,623
-177,223
-39% -$9.94M 0.01% 1739
2016
Q3 		$25.5M Sell
450,846
-124,875
-22% -$6.62M 0.01% 1283
2016
Q2 		$24.7M Buy
575,721
+373,789
+185% +$16.4M 0.01% 1259
2016
Q1 		$7.43M Buy
201,932
+133,180
+194% +$3.79M ﹤0.01% 2132
2015
Q4 		$1.94M Sell
68,752
-9,353
-12% -$273K ﹤0.01% 3524
2015
Q3 		$1.97M Sell
78,105
-34,646
-31% -$926K ﹤0.01% 3524
2015
Q2 		$3.03M Buy
112,751
+42,389
+60% +$1.08M ﹤0.01% 3239
2015
Q1 		$1.39M Sell
70,362
-43,427
-38% -$757K ﹤0.01% 3882
2014
Q4 		$1.99M Sell
113,789
-17,425
-13% -$264K ﹤0.01% 3570
2014
Q3 		$2.06M Sell
131,214
-41,746
-24% -$780K ﹤0.01% 3400
2014
Q2 		$3.6M Buy
+172,960
New +$3.72M ﹤0.01% 2982

Other funds holding TSE

KBFS
Kohmann Bosshard Financial Services Fairlawn, Ohio $1.18B AUM 16.34% 1-Year Est. Return
N
Nuveen Charlotte, North Carolina $369B AUM 31.66% 1-Year Est. Return
EWA
EverSource Wealth Advisors Birmingham, Alabama $3.28B AUM 23.66% 1-Year Est. Return
Barclays
Barclays London, United Kingdom $416B AUM 33.63% 1-Year Est. Return
GI
GAMMA Investing Foster City, California $2.69B AUM 42.78% 1-Year Est. Return
RhumbLine Advisers
RhumbLine Advisers Boston, Massachusetts $117B AUM 29.66% 1-Year Est. Return
ME
McIlrath & Eck Arlington, Washington $1.35B AUM 15.78% 1-Year Est. Return
SC
Swan Capital Pensacola, Florida $272M AUM 14.84% 1-Year Est. Return
Rockefeller Capital Management
Rockefeller Capital Management New York $56.4B AUM 24.96% 1-Year Est. Return
EP
Essential Partners Rancho Santa Fe, California $297M AUM 40.85% 1-Year Est. Return

Morgan Stanley's TSE Position: Q1 2026 in Review

Morgan Stanley sold out of Trinseo (TSE) in Q1 2026, closing a stake of 536,422 shares — an estimated $267K sold.

Morgan Stanley first reported a position in TSE in Q2 2014 and held it in 47 quarters. The position peaked at $59.8M in Q4 2017. 14 funds tracked by Wall St. Rank hold TSE as of Q1 2026.

  • Morgan Stanley reported no remaining Trinseo position as of Q1 2026 after selling out during the quarter.
  • Morgan Stanley sold 536,422 Trinseo shares in Q1 2026, an estimated $267K.
  • Morgan Stanley first reported a position in Trinseo in Q2 2014 and held it in 47 quarters.
  • Morgan Stanley's Trinseo position peaked at $59.8M in Q4 2017.
  • 14 funds tracked by Wall St. Rank held Trinseo as of Q1 2026.

Based on Morgan Stanley's 13F filing for Q1 2026, filed 15 May 2026.