Skip to main content

Silence Therapeutics plc

SLN
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
SEC CIK
0001479615

No open-market purchases or sales by Silence Therapeutics plc insiders were filed in the last 90 days; 72 institutions reported holding it in 13F filings for Q2 2026, worth $236.2M in total; no superinvestor holds it.

Other share classesSLNCF

13F holders, Q2 2025

Institutional positions in Silence Therapeutics plc as of Jun 30, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
55
−4 vs. Q1 2025
Shares held
19.8M
−2.16M (−9.8%) vs. Q1 2025
Total value
$108.0M
+$47.4M (+78.2%) vs. Q1 2025
New holders
9
12 more added
Sold out
13
19 more reduced

Compare with Q1 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting SLN on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ2 2025: 55 institutions
Q1 2021: 6 institutionsQ2 2021: 6 institutionsQ3 2021: 7 institutionsQ4 2021: 22 institutionsQ1 2022: 26 institutionsQ2 2022: 25 institutionsQ3 2022: 29 institutionsQ4 2022: 27 institutionsQ1 2023: 29 institutionsQ2 2023: 29 institutionsQ3 2023: 28 institutionsQ4 2023: 34 institutionsQ1 2024: 64 institutionsQ2 2024: 71 institutionsQ3 2024: 69 institutionsQ4 2024: 65 institutionsQ1 2025: 59 institutionsQ2 2025: 55 institutionsQ3 2025: 54 institutionsQ4 2025: 58 institutionsQ1 2026: 56 institutionsQ2 2026: 72 institutions
Value heldQ2 2025: $108.0M
Q1 2021: $55.9MQ2 2021: $56.4MQ3 2021: $39.4MQ4 2021: $246.6MQ1 2022: $218.3MQ2 2022: $116.4MQ3 2022: $183.4MQ4 2022: $275.7MQ1 2023: $110.2MQ2 2023: $101.8MQ3 2023: $187.6MQ4 2023: $343.9MQ1 2024: $588.0MQ2 2024: $502.1MQ3 2024: $493.1MQ4 2024: $168.2MQ1 2025: $60.6MQ2 2025: $108.0MQ3 2025: $96.4MQ4 2025: $106.1MQ1 2026: $102.1MQ2 2026: $236.2M
Institutions holding SLN and their total value by quarter
QuarterHoldersValue
Q2 202672$236.2M
Q1 202656$102.1M
Q4 202558$106.1M
Q3 202554$96.4M
Q2 202555$108.0M
Q1 202559$60.6M
Q4 202465$168.2M
Q3 202469$493.1M
Q2 202471$502.1M
Q1 202464$588.0M
Q4 202334$343.9M
Q3 202328$187.6M
Q2 202329$101.8M
Q1 202329$110.2M
Q4 202227$275.7M
Q3 202229$183.4M
Q2 202225$116.4M
Q1 202226$218.3M
Q4 202122$246.6M
Q3 20217$39.4M
Q2 20216$56.4M
Q1 20216$55.9M

Institutions, Q2 2025

Shares, value and share of portfolio for each institution holding Silence Therapeutics plc; share changes are against Q1 2025.

Institutions holding SLN in Q2 2025
InstitutionSharesValue% of portfolioChange in sharesAction
TCG Crossover Management, LLC3,033,560$17.6M2.01%00.0%Unchanged
Siren, L.L.C.2,911,438$16.9M0.87%+121,605+4.4%Added
Redmile Group, LLC2,164,777$12.6M1.34%−50,170−2.3%Reduced
Lombard Odier Asset Management (USA) Corp1,849,734$7.81M1.96%00.0%Unchanged
Morgan Stanley1,211,758$7.03M0.00%−788,347−39.4%Reduced
Vivo Capital, LLC1,105,454$6.41M0.66%00.0%Unchanged
Nantahala Capital Management, LLC1,042,427$6.05M0.43%00.0%Unchanged
Frazier Life Sciences Management, L.P.970,130$5.63M0.23%−178,461−15.5%Reduced
Nextech Invest, Ltd.952,400$5.52M1.05%00.0%Unchanged
Cantor Fitzgerald, L. P.789,039$4.58M0.11%+15,194+2.0%Added
5AM Venture Management, LLC476,200$2.76M1.06%00.0%Unchanged
SG Americas Securities, LLC308,331$1.79M0.01%+420.0%Added
Boothbay Fund Management, LLC252,421$1.46M0.05%+2,409+1.0%Added
Ikarian Capital, LLC873,568$1.40M0.46%+873,568New
UBS Group AG228,509$1.33M0.00%−91,005−28.5%Reduced
Millennium Management LLC198,647$1.15M0.00%−198,215−49.9%Reduced
M28 Capital Management LP185,100$1.07M1.83%00.0%Unchanged
HSBC Holdings PLC172,834$1.02M0.00%00.0%Unchanged
Marshall Wace, LLP175,862$1.02M0.00%−52,556−23.0%Reduced
BlackRock, Inc.168,235$975.8K0.00%−12,200−6.8%Reduced
Bank of Montreal145,812$845.7K0.00%−12,781−8.1%Reduced
Advisor Group Holdings, Inc.69,381$402.3K0.00%−2,116−3.0%Reduced
Woodline Partners LP62,459$362.3K0.00%−72,033−53.6%Reduced
Two Sigma Investments, LP59,312$344.0K0.00%−16,696−22.0%Reduced
Two Sigma Advisers, LP39,600$229.7K0.00%−9,600−19.5%Reduced
Jane Street Group, LLC37,813$219.3K0.00%+37,813New
Saturn V Capital Management LLC34,737$201.5K0.08%−697,726−95.3%Reduced
Geode Capital Management, LLC29,538$171.3K0.00%+121+0.4%Added
Susquehanna International Group, LLP27,797$161.2K0.00%+27,797New
Wexford Capital LP27,149$157.5K0.04%+27,149New
Massar Capital Management, LP19,863$115.2K0.09%+19,863New
ADAR1 Capital Management, LLC18,643$108.1K0.02%00.0%Unchanged
Rathbone Brothers plc18,421$106.8K0.00%00.0%Unchanged
Virtus Investment Advisers, Inc.16,837$97.7K0.03%−8,035−32.3%Reduced
Beacon Pointe Advisors, LLC11,615$67.4K0.00%+11,615New
Cambridge Investment Research Advisors, Inc.10,194$59.0K0.00%+10,194New
China Universal Asset Management Co., Ltd.9,446$54.8K0.01%+14+0.1%Added
GAMMA Investing LLC8,333$48.3K0.00%+4,773+134.1%Added
JPMorgan Chase & Co7,283$42.2K0.00%−28,131−79.4%Reduced
Barclays PLC7,035$40.8K0.00%+181+2.6%Added
Rhumbline Advisers6,196$35.9K0.00%+4,321+230.5%Added
Bank of America Corp5,095$29.6K0.00%−59,791−92.1%Reduced
Citigroup Inc3,474$20.1K0.00%−57,597−94.3%Reduced
Jones Financial Companies LLLP2,500$14.5K0.00%00.0%Unchanged
Tower Research Capital LLC (TRC)2,428$14.1K0.00%+61+2.6%Added
Royal Bank of Canada2,462$14.0K0.00%−1,801−42.2%Reduced
Mirae Asset Global Investments Co., Ltd.1,817$10.5K0.00%+244+15.5%Added
Parallel Advisors, LLC1,300$7.54K0.00%00.0%Unchanged
GF Fund Management Co. Ltd.1,165$6.76K0.00%00.0%Unchanged
BNP Paribas Arbitrage, SA700$4.06K0.00%−4,088−85.4%Reduced
Simplex Trading, LLC667$3.00K0.00%+416+165.7%Added
Steward Partners Investment Advisory, LLC100$5800.00%00.0%Unchanged
SBI Securities Co., Ltd.28$1620.00%00.0%Unchanged
Principal Securities, Inc.17$990.00%+17New
EverSource Wealth Advisors, LLC10$580.00%+10New
Parkman Healthcare Partners LLC0$00.00%−401,746−100.0%Sold out
Schonfeld Strategic Advisors LLC0$00.00%−149,996−100.0%Sold out
Walleye Capital LLC0$00.00%−136,150−100.0%Sold out
UBS Oconnor LLC0$00.00%−62,639−100.0%Sold out
Citadel Advisors LLC0$00.00%−62,441−100.0%Sold out
Shay Capital LLC0$00.00%−47,728−100.0%Sold out
Jump Financial, LLC0$00.00%−26,351−100.0%Sold out
Goldman Sachs Group Inc0$00.00%−24,375−100.0%Sold out
Qube Research & Technologies Ltd0$00.00%−18,913−100.0%Sold out
Point72 Asset Management, L.P.0$00.00%−16,032−100.0%Sold out
Acadian Asset Management LLC0$00.00%−12,153−100.0%Sold out
Cubist Systematic Strategies, LLC0$00.00%−7,364−100.0%Sold out
FNY Investment Advisers, LLC0$00.00%−7,000−100.0%Sold out