SLN
Silence Therapeutics plcCompany with tickers: SLN, SLNCF
CIK
1479615
CUSIP
82686Q101
Shares Outstanding
47,234,613
Investor Relations
https://www.silence-therapeutics.com/investors/
13F Activity (30d)
23 filings
23 filers
Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.
Holders: 36
Total Value: $52,566,828
Total Shares: 9,974,733
Institutional Ownership Trend
23 quarters
Holder Concentration
Across 36 13F filers · Δ vs Dec 31, 2025Top Holder
30.4%
+2.8 pts
Top 5
80.2%
+3.1 pts
Top 10
91.5%
+2.3 pts
HHI
1,967
Moderately concentrated+265
Quarterly Activity
vs Dec 31, 2025
New
6
Increased
10
Decreased
8
Sold Out
10
Unchanged
12
Holder count:
-4
Institutional value:
-21.3%
Shares held:
-9.3%
Top Buyers
vs Dec 31, 2025| Institution | Added | Now Holds | Open |
|---|---|---|---|
| Small Tetragon Partners GP Ltd | +264,792 | 630,161 | |
| Mega BNP PARIBAS ARBITRAGE, SA | +135,641 | 147,668 | |
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | +112,515 | 154,381 | |
| Mid XTX Topco Ltd | +94,284 | 106,002 | |
| Large SG Americas Securities, LLC | +30,358 | 286,698 |
Top Sellers
vs Dec 31, 2025| Institution | Sold | Now Holds | Open |
|---|---|---|---|
| Small Ishara Investments LP | −99,500 | 140,500 | |
| Micro M28 Capital Management LP | −83,897 | 101,203 | |
| Mega HSBC HOLDINGS PLC | −50,000 | 122,834 | |
| Mega TWO SIGMA INVESTMENTS, LP | −23,141 | 16,203 | |
| Mid China Universal Asset Management Co., Ltd. | −5,318 | 8,335 |
Top New Positions
vs Dec 31, 2025| Institution | Acquired | Value (USD) | Open |
|---|---|---|---|
| Small Jones Hill Capital LP | 301,604 | $1,589,453 | |
| Large Squarepoint Ops LLC | 89,469 | $471,501 | |
| Large HRT FINANCIAL LP | 11,994 | $63,208 | |
| Small Dynamic Technology Lab Private Ltd | 10,490 | $55,282 | |
| Large ACADIAN ASSET MANAGEMENT LLC | 4,818 | $25,390 |
Top Sold-Out Positions
vs Dec 31, 2025| Institution | Previously Held | Last Value (USD) | Open |
|---|---|---|---|
| Mid Vivo Capital, LLC | 1,105,454 | $6,721,160 | |
| Small Lombard Odier Asset Management (USA) Corp | 255,901 | $1,555,878 | |
| Mega UBS Group AG | 207,513 | $1,261,678 | |
| Small Seven Fleet Capital Management LP | 147,600 | $897,408 | |
| Mid Quadrature Capital Ltd | 54,380 | $330,630 |
| Holder | Value (USD) | % of 13F | Shares | Type | Discretion | Filed | Open | |||
|---|---|---|---|---|---|---|---|---|---|---|
| Mid TCG Crossover Management, LLC | $15,986,861 | 30.41% | 3,033,560 | Shares | Sole | 2026-05-15 | ||||
| Mid Siren, L.L.C. | $15,343,278 | 29.19% | 2,911,438 | Shares | Defined | 2026-05-14 | ||||
| Mid Nextech Invest, Ltd. | $5,019,148 | 9.55% | 952,400 | Shares | Sole | 2026-05-15 | ||||
| Small Tetragon Partners GP Ltd | $3,320,948 | 6.32% | 630,161 | Shares | Defined | 2026-05-15 | ||||
| Small 5AM Venture Management, LLC | $2,509,574 | 4.77% | 476,200 | Shares | Sole | 2026-05-15 | ||||
| Small Jones Hill Capital LP | $1,589,453 | 3.02% | 301,604 | Shares | Sole | 2026-05-14 | ||||
| Large SG Americas Securities, LLC Broker-Dealer | $1,510,898 | 2.87% | 286,698 | Shares | Sole | 2026-04-16 | ||||
| Mid BOOTHBAY FUND MANAGEMENT, LLC | $1,101,893 | 2.10% | 209,088 | Shares | Other | 2026-05-15 | ||||
| Large MARSHALL WACE, LLP | $893,875 | 1.70% | 169,616 | Shares | Other | 2026-05-15 | ||||
| Mega BNP PARIBAS ARBITRAGE, SA | $778,210 | 1.48% | 147,668 | Shares | Defined | 2026-05-12 | ||||
| Small Ishara Investments LP | $740,435 | 1.41% | 140,500 | Shares | Sole | 2026-05-15 | ||||
| Mega HSBC HOLDINGS PLC | $647,335 | 1.23% | 122,834 | Shares | Defined | 2026-04-30 | ||||
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | $607,530 | 1.16% | 115,281 | Shares | Other | 2026-05-15 | ||||
| Mid XTX Topco Ltd | $558,630 | 1.06% | 106,002 | Shares | Defined | 2026-05-15 | ||||
| Micro M28 Capital Management LP | $533,339 | 1.01% | 101,203 | Shares | Sole | 2026-05-14 | ||||
| Large Squarepoint Ops LLC | $471,501 | 0.90% | 89,469 | Shares | Defined | 2026-05-15 | ||||
| Mega GEODE CAPITAL MANAGEMENT, LLC | $155,665 | 0.30% | 29,538 | Shares | Defined | 2026-05-15 | ||||
| Mega RAYMOND JAMES FINANCIAL INC | $131,750 | 0.25% | 25,000 | Shares | Defined | 2026-05-14 | ||||
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | $106,454 | 0.20% | 20,200 | Put | Other | 2026-05-15 | ||||
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | $99,603 | 0.19% | 18,900 | Call | Other | 2026-05-15 | ||||
| Mega TWO SIGMA INVESTMENTS, LP | $85,389 | 0.16% | 16,203 | Shares | Sole | 2026-05-15 | ||||
| Mega RHUMBLINE ADVISERS | $73,437 | 0.14% | 13,935 | Shares | Sole | 2026-05-12 | ||||
| Large HRT FINANCIAL LP | $63,208 | 0.12% | 11,994 | Shares | Defined | 2026-05-14 | ||||
| Small Dynamic Technology Lab Private Ltd | $55,282 | 0.11% | 10,490 | Shares | Sole | 2026-05-15 | ||||
| Mid GAMMA Investing LLC | $49,353 | 0.09% | 9,365 | Shares | Defined | 2026-04-06 | ||||
| Mid China Universal Asset Management Co., Ltd. | $43,925 | 0.08% | 8,335 | Shares | Sole | 2026-04-28 | ||||
| Large ACADIAN ASSET MANAGEMENT LLC | $25,390 | 0.05% | 4,818 | Shares | Defined | 2026-05-13 | ||||
| Large JONES FINANCIAL COMPANIES LLLP | $13,175 | 0.03% | 2,500 | Shares | Sole | 2026-05-15 | ||||
| Large Mirae Asset Global Investments Co., Ltd. | $12,911 | 0.02% | 2,450 | Shares | Sole | 2026-05-04 | ||||
| Mid Tower Research Capital LLC (TRC) | $12,189 | 0.02% | 2,313 | Shares | Defined | 2026-05-15 | ||||
| Mega CITIGROUP INC | $9,670 | 0.02% | 1,835 | Shares | Defined | 2026-05-11 | ||||
| Mid Parallel Advisors, LLC | $6,851 | 0.01% | 1,300 | Shares | Sole | 2026-05-07 | ||||
| Mid GF FUND MANAGEMENT CO. LTD. | $5,517 | 0.01% | 1,047 | Shares | Sole | 2026-04-15 | ||||
| Mid SIMPLEX TRADING, LLC | $3,225 | 0.01% | 612 | Shares | Sole | 2026-05-14 | ||||
| Large Steward Partners Investment Advisory, LLC | $527 | 0.00% | 100 | Shares | Sole | 2026-05-08 | ||||
| Large Rockefeller Capital Management L.P. | $237 | 0.00% | 45 | Shares | Defined | 2026-05-14 | ||||
| Mid SBI Securities Co., Ltd. Broker-Dealer | $147 | 0.00% | 28 | Shares | Defined | 2026-04-28 | ||||
| Small Caitong International Asset Management Co., Ltd | $15 | 0.00% | 3 | Shares | Sole | 2026-05-11 | ||||
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