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

CUSIP: L9340P101

Q3 2021 13F Holders as of 30 Sep 2021

Holder snapshot 7 signals
Share change
+42,954
Put/Call ratio
44%
SEC-reported price per share
$53.98
Number of holders
167
Value change
-$7,092,062
Number of buys
77
Open additional details 1 more signal available
Number of sells
122
Security identity Names, identifiers, and filing context for this profile. 1 source field
Shares outstanding
36,473,253

Security key

L9340P101

Report period

Q3 2021

Institutions

167

Top holders

10

Ownership snapshot

Top reported holders of TSE - Trinseo PLC - Ordinary Shares, par value $0.01 per share (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Comparable stake leader
M&G INVESTMENT MANAGEMENT...
Disclosed value leader
M&G INVESTMENT MANAGEMENT...
Comparable rows
0/15
Latest evidence
30 Jun 2021
13F Highest disclosed value: $458,043,000 15 rows are not safely comparable across share classes. Showing 1-6 of 15 holder rows.

Quick read

M&G INVESTMENT MANAGEMENT LTD has the largest disclosed position value at $458.04M.

0 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.

Open SEC evidence Opens M&G INVESTMENT MANAGEMENT LTD's linked filing trail.
Disclosed position value Top 5
M&G INVESTMENT MANAGEMENT LTD $458.04M
BlackRock Finance, Inc. $394.81M
ALLIANCEBERNSTEIN L.P. $116.28M
VANGUARD GROUP INC $108.11M
DIMENSIONAL FUND ADVISORS LP $88.59M

Value bars compare disclosed positions; verify each figure against the linked filing evidence.

Detailed SEC evidence table Showing 1-6 of 15 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
M&G INVESTMENT MANAGEMENT LTD
13F
Company
13F
—
denominator unverified
$458,043,000
7,634,044 shares
— 30 Jun 2021
BlackRock Finance, Inc.
13F
Company
13F
—
denominator unverified
$394,809,000
6,597,742 shares
— 30 Jun 2021
ALLIANCEBERNSTEIN L.P.
13F
Company
13F
—
denominator unverified
$116,277,000
1,943,124 shares
— 30 Jun 2021
VANGUARD GROUP INC
13F
Company
13F
—
denominator unverified
$108,114,000
1,806,707 shares
— 30 Jun 2021
DIMENSIONAL FUND ADVISORS LP
13F
Company
13F
—
denominator unverified
$88,590,000
1,480,493 shares
— 30 Jun 2021
STATE STREET CORP
13F
Company
13F
—
denominator unverified
$80,585,000
1,346,674 shares
— 30 Jun 2021
How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q3 2021

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions
167
Shares
36,089,427
Rows available
167
Investor Option Weight % Change % SEC-reported value * Price Shares Share Change Activity Report Period

* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.

Compare Q3 2021 vs Q2 2021 Across Filers

Q2 2021 holders
205
Q3 2021 holders
167
Holder diff
-38
Investor Q2 2021 Shares Q3 2021 Shares Share Diff Share Chg % Q2 2021 value Q3 2021 value Value change Value Chg %
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