Security Snapshot

Trinseo PLC - Ordinary Shares, par value $0.01 per share (TSE) Institutional Ownership

CUSIP: L9340P101

13F Institutional Holders and Ownership History from Q2 2014 to Q2 2022

Latest Period

n/a

Institutions Reporting

Shares (Excl. Options)

Price

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Security type / class
Equity / Ordinary Shares, par value $0.01 per share
Symbol
TSE on NYSE
Shares outstanding
36,473,253
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors

Key facts

  • TSE - Trinseo PLC - Ordinary Shares, par value $0.01 per share is tracked under CUSIP L9340P101.
  • Latest finished 13F holder period is not available.
  • 1 significant owner is listed from Schedule 13D/13G reporting.

Change

  • Holder count moved from 2 to 0 between Q1 2022 and Q2 2022.
  • SEC-reported value moved from $240,000 to $0.

Research use

  • You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
  • 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.

Evidence

Source: SEC Schedule 13D/G

Ownership context comes from Schedule 13D/G and available holder history for this CUSIP.

Open SEC Evidence

Security key

L9340P101

Latest holder period

n/a

13F holders

13D/G owners

1

CIK / CUSIP context first

TSE full holder history Trinseo PLC SEC filings Trinseo PLC company facts Trinseo PLC insider transactions

Broader feeds

Latest 13F filings Latest 13D/G filings All securities

13D/G owners

Significant owners

Large-stake holder rows connected to Schedule 13D/G evidence.

Rows
1
Security
TSE
Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
Nut Tree Capital Management, LP 8.3% 3,027,280 Nut Tree Capital Management, LP 31 Mar 2026

Quarter history

Institutional holders across reporting periods

Holder count, reported shares/value, and median price by quarter.

Periods
33
Latest
n/a
Rows shown
1-25 of 33
Period 13F Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2022 Q2 0 $0 -$240,000 0
2022 Q1 5,016 $240,000 -$6,508,882 $47.73 2
2021 Q4 128,654 $6,748,882 -$1,939,368,620 $52.46 6
2021 Q3 36,089,427 $1,949,091,667 -$7,092,062 $53.98 167
2021 Q2 35,998,650 $2,155,179,141 +$28,970,401 $59.84 205
2021 Q1 35,553,754 $2,265,974,907 -$35,381,395 $63.67 204
2020 Q4 36,394,373 $1,862,344,901 -$5,890,954 $51.21 188
2020 Q3 36,753,583 $945,284,339 -$40,970,372 $25.64 147
2020 Q2 38,567,094 $853,346,993 -$6,693,182 $22.16 159
2020 Q1 38,946,757 $704,609,282 -$48,875,384 $18.11 154
2019 Q4 40,926,044 $1,520,678,714 -$416,068,425 $37.21 178
2019 Q3 42,889,382 $1,842,496,606 +$139,520,210 $42.95 181
2019 Q2 39,661,838 $1,676,015,415 -$5,702,531 $42.34 180
2019 Q1 40,195,545 $1,820,871,042 -$54,306,345 $45.30 183
2018 Q4 41,357,596 $1,893,276,356 -$59,422,760 $45.78 187
2018 Q3 41,787,177 $3,271,645,024 +$1,397,551 $78.30 218
2018 Q2 41,931,933 $2,975,190,925 -$63,745,619 $70.95 222
2018 Q1 42,716,043 $3,162,064,844 -$2,035,401 $74.05 229
2017 Q4 42,744,957 $3,103,402,206 -$1,221,991 $72.60 213
2017 Q3 43,050,194 $2,888,888,255 -$37,347,264 $67.10 206
2017 Q2 43,696,900 $3,001,200,311 -$162,199 $68.70 228
2017 Q1 43,747,444 $2,935,251,854 +$106,296,386 $67.10 251
2016 Q4 43,439,415 $2,576,913,622 -$96,667,504 $59.30 225
2016 Q3 45,199,808 $2,554,611,288 +$102,543,116 $56.56 214
2016 Q2 48,117,055 $2,065,388,649 -$1,665,566 $42.93 169
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