Silence Therapeutics PLC-ADRSLN

13F holders, Q3 2025 (September 30)
54holders −1
6new positions
7sold out
2famous investors
$4.89avg. 13F price*

At the end of Q3 2025, 54 institutions reported holding Silence Therapeutics PLC-ADR (SLN) in their 13F filings, down 1 from Q2 2025. 6 opened new positions and 7 sold out. The largest holders were TCG Crossover Management, LLC ($15.7M), Siren, L.L.C. ($15.1M) and Redmile Group, LLC ($11.2M). 2 famous investors held it, including Israel Englander (0.0% of Millennium Management's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).

Company
Silence Therapeutics PLC-ADR
CUSIP
82686Q101
Latest filing quarter
Q2 2026

History

Number of 13F holders

020406080 Q1 2024: 64Q1 2024Q2 2024: 71Q2 2024Q3 2024: 69Q3 2024Q4 2024: 65Q4 2024Q1 2025: 59Q1 2025Q2 2025: 55Q2 2025Q3 2025: 54Q3 2025Q4 2025: 58Q4 2025Q1 2026: 56Q1 2026Q2 2026: 72Q2 2026

Total Exit/New Position Q2 2025 → Q3 2025

InstitutionsTotal Value
New Positions6$362K
Exits7$871K

All 13F filers, Q2 2025 → Q3 2025: 336,057 shares bought and 391,255 shares sold, net −55,198 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 54 holders

TCG Crossover Management, LLC 0.77% No change 3,033,560 $15.7M
Siren, L.L.C. 0.59% No change 2,911,438 $15.1M
Redmile Group, LLC 1.09% No change 2,164,777 $11.2M
Lombard Odier Asset Management (USA) Corp 1.90% Reduce -0.3% 1,844,948 $7.1M
Morgan Stanley 0.00% Reduce -0.3% 1,207,724 $6.3M
Vivo Capital, LLC 0.46% No change 1,105,454 $5.7M
Nantahala Capital Management, LLC 0.33% No change 1,042,427 $5.4M
Frazier Life Sciences Management, L.P. 0.15% No change 970,130 $5.0M
Nextech Invest Ltd. 0.75% No change 952,400 $4.9M
Cantor Fitzgerald, L. P. 0.08% Add +1.6% 801,306 $4.2M
5AM Venture Management, LLC 0.91% No change 476,200 $2.5M
SG Americas Securities, LLC 0.01% Reduce -0.0% 308,289 $1.6M
UBS Group AG 0.00% Add +34.5% 307,363 $1.6M
Millennium Management 0.00% Add +50.3% 298,512 $1.5M
Boothbay Fund Management, LLC 0.04% Add +10.8% 279,637 $1.5M
Ikarian Capital, LLC 0.26% Add +3.1% 900,784 $1.3M
M28 Capital Management LP 1.41% No change 185,100 $961K
HSBC Holdings PLC 0.00% Add +0.0% 172,873 $909K
Bank of Montreal 0.00% Add +5.5% 153,782 $798K
Marshall Wace, LLP 0.00% Reduce -52.7% 83,219 $432K
Two Sigma Investments, LP 0.00% Add +6.6% 63,247 $328K
Woodline Partners LP 0.00% No change 62,459 $324K
BlackRock, Inc. 0.00% Reduce -63.3% 61,832 $321K
Osaic Holdings, Inc. 0.00% Reduce -10.4% 62,171 $299K
Two Sigma Advisers, LP 0.00% Add +7.6% 42,600 $221K
Geode Capital Management, LLC 0.00% No change 29,538 $153K
Goldman Sachs Group Inc. 0.00% New 22,644 $118K
Citadel Advisors 0.00% New 21,505 $112K
Virtus Investment Advisers, LLC 0.03% Add +21.0% 20,374 $106K
ADAR1 Capital Management, LLC 0.01% No change 18,643 $97K
HRT Financial LP 0.00% New 10,887 $56K
EHP Funds Inc. 0.07% New 10,673 $55K
Cambridge Investment Research Advisors, Inc. 0.00% No change 10,194 $53K
GAMMA Investing LLC 0.00% Add +19.0% 9,915 $51K
China Universal Asset Management Co., Ltd. 0.00% Reduce -12.8% 8,232 $43K
JPMorgan Chase & Co. 0.00% Add +6.6% 7,766 $40K
Wexford Capital LP 0.01% Reduce -71.6% 7,708 $40K
Barclays PLC 0.00% Add +1.4% 7,136 $37K
Rhumbline Advisers 0.00% Reduce -5.3% 5,865 $30K
Acadian Asset Management LLC 0.00% New 4,218 $21K
Bank of America Corp. 0.00% Reduce -30.7% 3,531 $18K
Jones Financial Companies LLLP 0.00% No change 2,500 $14K
Tower Research Capital LLC (TRC) 0.00% Add +0.8% 2,447 $13K
Mirae Asset Global Investments Co., Ltd. 0.00% Reduce -0.1% 1,816 $9K
Citigroup Inc. 0.00% Reduce -49.0% 1,773 $9K
Parallel Advisors, LLC 0.00% No change 1,300 $7K
Royal Bank of Canada 0.00% Reduce -53.9% 1,136 $6K
GF Fund Management Co. LTD. 0.00% Reduce -16.1% 978 $5K
BNP Paribas Financial Markets 0.00% Reduce -14.3% 600 $3K
Simplex Trading, LLC 0.00% Reduce -2.4% 651 $3K
Steward Partners Investment Advisory, LLC 0.00% No change 100 $519
Rockefeller Capital Management L.P. 0.00% New 45 $234
SBI Securities Co., Ltd. 0.00% Add +3.6% 29 $151
Principal Securities, Inc. 0.00% No change 17 $88

"% of holder's portfolio" is SLN's weight in each manager's 13F, not the share of Silence Therapeutics PLC-ADR the manager owns.