Bank of New York Mellon’s Trinseo TSE Stock Holding History

Bank of New York Mellon’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	-80,741	Closed	-$40.1K	–	4303
2025 Q4	$40.1K	Sell	80,741 -661	-0.8%	-$788	﹤0.01%	4148
2025 Q3	$191K	Buy	81,402 +10	+0%	+$26	﹤0.01%	4033
2025 Q2	$254K	Buy	+81,392	New	+$268K	﹤0.01%	3882
2024 Q3	–	Sell	-23,226	Closed	-$53.7K	–	4168
2024 Q2	$53.7K	Sell	23,226 -121,824	-84%	-$379K	﹤0.01%	4058
2024 Q1	$548K	Sell	145,050 -5,822	-4%	-$31.1K	﹤0.01%	3467
2023 Q4	$1.26M	Sell	150,872 -13,722	-8%	-$91.8K	﹤0.01%	3071
2023 Q3	$1.34M	Sell	164,594 -201,117	-55%	-$2.55M	﹤0.01%	3007
2023 Q2	$4.63M	Sell	365,711 -497	-0.1%	-$8.03K	﹤0.01%	2367
2023 Q1	$7.64M	Buy	366,208 +2,296	+0.6%	+$56.2K	﹤0.01%	2074
2022 Q4	$8.26M	Sell	363,912 -3,560	-1%	-$78.5K	﹤0.01%	2035
2022 Q3	$6.73M	Sell	367,472 -26,575	-7%	-$832K	﹤0.01%	2135
2022 Q2	$15.2M	Sell	394,047 -35,922	-8%	-$1.63M	﹤0.01%	1694
2022 Q1	$20.6M	Sell	429,969 -1,353	-0.3%	-$71.1K	﹤0.01%	1661
2021 Q4	$22.6M	Sell	431,322 -21,956	-5%	-$1.19M	﹤0.01%	1656
2021 Q3	$24.5M	Buy	453,278 +13,061	+3%	+$679K	﹤0.01%	1608
2021 Q2	$26.3M	Sell	440,217 -13,229	-3%	-$845K	0.01%	1572
2021 Q1	$28.9M	Sell	453,446 -1,659	-0.4%	-$101K	0.01%	1484
2020 Q4	$23.3M	Sell	455,105 -10,036	-2%	-$383K	0.01%	1553
2020 Q3	$11.9M	Sell	465,141 -12,945	-3%	-$323K	﹤0.01%	1766
2020 Q2	$10.6M	Buy	478,086 +11,362	+2%	+$233K	﹤0.01%	1798
2020 Q1	$8.45M	Buy	466,724 +22,138	+5%	+$587K	﹤0.01%	1792
2019 Q4	$16.5M	Sell	444,586 -11,756	-3%	-$478K	﹤0.01%	1682
2019 Q3	$19.6M	Buy	456,342 +281,124	+160%	+$10.5M	0.01%	1536
2019 Q2	$7.42M	Sell	175,218 -17,690	-9%	-$759K	﹤0.01%	2133
2019 Q1	$8.74M	Sell	192,908 -2,077	-1%	-$101K	﹤0.01%	2039
2018 Q4	$8.93M	Buy	194,985 +16,493	+9%	+$896K	﹤0.01%	1971
2018 Q3	$14M	Buy	178,492 +1,359	+0.8%	+$102K	﹤0.01%	1842
2018 Q2	$12.6M	Sell	177,133 -8,023	-4%	-$597K	﹤0.01%	1890
2018 Q1	$13.7M	Buy	185,156 +4,217	+2%	+$332K	﹤0.01%	1820
2017 Q4	$13.1M	Buy	180,939 +3,244	+2%	+$231K	﹤0.01%	1850
2017 Q3	$11.9M	Sell	177,695 -27,731	-13%	-$1.85M	﹤0.01%	1898
2017 Q2	$14.1M	Buy	205,426 +48,462	+31%	+$3.17M	﹤0.01%	1774
2017 Q1	$10.5M	Sell	156,964 -21,073	-12%	-$1.41M	﹤0.01%	1941
2016 Q4	$10.6M	Sell	178,037 -154,707	-46%	-$8.68M	﹤0.01%	1935
2016 Q3	$18.8M	Buy	332,744 +11,568	+4%	+$613K	0.01%	1495
2016 Q2	$13.8M	Buy	321,176 +34,745	+12%	+$1.53M	﹤0.01%	1661
2016 Q1	$10.5M	Sell	286,431 -217,390	-43%	-$6.18M	﹤0.01%	1809
2015 Q4	$14.2M	Sell	503,821 -458,054	-48%	-$13.3M	﹤0.01%	1626
2015 Q3	$24.3M	Sell	961,875 -47,954	-5%	-$1.28M	0.01%	1290
2015 Q2	$27.1M	Sell	1,009,829 -45,642	-4%	-$1.17M	0.01%	1265
2015 Q1	$20.9M	Buy	1,055,471 +14,968	+1%	+$261K	0.01%	1464
2014 Q4	$18.2M	Buy	1,040,503 +461,055	+80%	+$6.99M	﹤0.01%	1539
2014 Q3	$9.12M	Buy	579,448 +179,448	+45%	+$3.35M	﹤0.01%	1952
2014 Q2	$8.32M	Buy	+400,000	New	+$8.6M	﹤0.01%	2030

Other funds holding TSE

KBFS

Kohmann Bosshard Financial Services Fairlawn, Ohio $1.18B AUM 16.34% 1-Year Est. Return

Nuveen Charlotte, North Carolina $419B AUM 43.02% 1-Year Est. Return

EWA

EverSource Wealth Advisors Birmingham, Alabama $2.97B AUM 28.72% 1-Year Est. Return

Barclays London, United Kingdom $416B AUM 33.63% 1-Year Est. Return

GAMMA Investing Foster City, California $2.69B AUM 42.78% 1-Year Est. Return

RhumbLine Advisers Boston, Massachusetts $133B AUM 43.5% 1-Year Est. Return

McIlrath & Eck Arlington, Washington $1.35B AUM 15.78% 1-Year Est. Return

Swan Capital Pensacola, Florida $272M AUM 14.84% 1-Year Est. Return

Rockefeller Capital Management New York $56.4B AUM 24.96% 1-Year Est. Return

Essential Partners Rancho Santa Fe, California $217M AUM 47.35% 1-Year Est. Return

Bank of New York Mellon's TSE Position: Q1 2026 in Review

Bank of New York Mellon sold out of Trinseo (TSE) in Q1 2026, closing a stake of 80,741 shares — an estimated $40.1K sold.

Bank of New York Mellon first reported a position in TSE in Q2 2014 and held it in 44 quarters. The position peaked at $28.9M in Q1 2021. 14 funds tracked by Wall St. Rank hold TSE as of Q1 2026.

Bank of New York Mellon reported no remaining Trinseo position as of Q1 2026 after selling out during the quarter.
Bank of New York Mellon sold 80,741 Trinseo shares in Q1 2026, an estimated $40.1K.
Bank of New York Mellon first reported a position in Trinseo in Q2 2014 and held it in 44 quarters.
Bank of New York Mellon's Trinseo position peaked at $28.9M in Q1 2021.
14 funds tracked by Wall St. Rank held Trinseo as of Q1 2026.

Based on Bank of New York Mellon's 13F filing for Q1 2026, filed 5 May 2026.