SLS

Sellas Life Sciences Group I$10.01 2.72%
Health CareUSCUSIP 81642T209· EOD Jul 31, 2026◍ Confluence graph
Tracked 13F Holders
141
-95 QoQ
13F Value (tracked)
$248.0M
Insider Net · 180d
$0
0↑ 0↓
Recent Filings
15
Smart-money sentimentBullish
BearishBullish
13F funds (latest Q)29 adding · 9 trimming
Insider net (180d)$0

Price & smart-money activity

$10.01 2.72%5Y +6.5%
$0.47$4.32$8.18$12.04$15.902021202220232024202520266337237343353222474543544413432081510291348161210
Hover for who · click for detailEnd-of-day closing prices52w $1.39 – $15.45

Who owns SLS?

141 tracked 13F filers

141 tracked 13F filers disclose a position in SLS as of the latest SEC 13F filings, a combined $248.0M in reported value. Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.

All quarters use one ordinary-share-equivalent series. Historical ADS are converted at 2 ADS = 1 ordinary share. Expand a row for the exact calculation; the residual is not classified as a trade.
#FundPosition valueSharesLast moveAs ofHistory
1BlackRock, Inc.
$51.6M
12.2M
+62%
Added · +4.7M sh
Q1 2026
2STATE STREET CORP
$35.5M
8.4M
+284%
Added · +6.2M sh
Q1 2026
3VANGUARD CAPITAL MANAGEMENT LLC
$31.8M
7.5M
First observed position
No prior filed position
Q1 2026
4GEODE CAPITAL MANAGEMENT, LLC
$16.6M
3.9M
+27%
Added · +835K sh
Q1 2026
5MARSHALL WACE, LLP
$8.6M
2.0M
+52%
Added · +696K sh
Q1 2026
6JONES FINANCIAL COMPANIES LLLP
$7.3M
1.7M
+290%
Added · +1.2M sh
Q1 2026
7VANGUARD PORTFOLIO MANAGEMENT LLC
$6.2M
1.5M
First observed position
No prior filed position
Q1 2026
8MORGAN STANLEY
$5.7M
1.3M
+50%
Added · +445K sh
Q1 2026
9NORTHERN TRUST CORP
$5.4M
1.3M
+37%
Added · +345K sh
Q1 2026
10DAGCO, INC.
$18.2M
1.2M
+20%
Added · +204K sh
Q2 2026
11VANGUARD FIDUCIARY TRUST CO
$5.1M
1.2M
First observed position
No prior filed position
Q1 2026
12UBS Group AG
$3.2M
745K
15×
Added · +697K sh
Q1 2026
13Nuveen, LLC
$2.8M
671K
−34%
Reduced · −353K sh
Q1 2026
14BANK OF AMERICA CORP /DE/
$2.7M
642K
+536%
Added · +541K sh
Q1 2026
15GOLDMAN SACHS GROUP INC
$2.4M
556K
+35%
Added · +144K sh
Q1 2026
16CHARLES SCHWAB INVESTMENT MANAGEMENT INC
$2.0M
481K
+18%
Added · +72K sh
Q1 2026
17Bank of New York Mellon Corp
$2.0M
478K
+87%
Added · +222K sh
Q1 2026
18TWO SIGMA INVESTMENTS, LP
$1.7M
403K
−63%
Reduced · −679K sh
Q1 2026
19SUSQUEHANNA INTERNATIONAL GROUP, LLP
$1.7M
397K
+14%
Added · +47K sh
Q1 2026
20SIMPLEX TRADING, LLC
$1.2M
295K
New
+295K sh
Q1 2026
21Everhart Financial Group, Inc.
$4.3M
288K
−21%
Reduced · −76K sh
Q2 2026
22Rafferty Asset Management, LLC
$1.1M
249K
New
+249K sh
Q1 2026
23WELLS FARGO & COMPANY/MN
$955K
226K
−25%
Reduced · −74K sh
Q1 2026
24RHUMBLINE ADVISERS
$821K
194K
+50%
Added · +65K sh
Q1 2026
25ALPS ADVISORS INC
$2.8M
188K
New
+188K sh
Q2 2026

Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.

Is SLS being bought or sold by institutions?

Last quarter, 16 funds opened a new position in SLS and 13 added to an existing one, while 9 reduced and 0 exited entirely — based on 13F filings from active, signal-eligible managers (passive index funds and other mechanical holders are excluded from this count).

Opened (NEW)
16
funds
Added
13
funds
Reduced
9
funds
Exited
0
funds

Funds that own SLS also own

CompanyCo-held byCombined value
BROADCOM INCAVGO68 funds$66.1B
AMAZON.COM INCAMZN67 funds$78.4B
APPLE INCAAPL66 funds$123.7B
MICROSOFT CORPMSFT66 funds$109.3B
ALPHABET INC-CL AGOOGL66 funds$58.2B
NVIDIA CORPNVDA65 funds$162.0B
ALPHABET INC-CL CGOOG65 funds$55.7B
META PLATFORMS INC-CLASS AMETA65 funds$48.6B
VISA INC-CLASS A SHARESV64 funds$28.2B
TESLA INCTSLA64 funds$27.5B
COSTCO WHOLESALE CORPCOST64 funds$15.3B
HOME DEPOT INCHD64 funds$11.2B

Ranked by how many of SLS's institutional holders also hold each name, a cross-fund conviction signal.

Insider activity (Form 4)

Full insider page →
Buys · 180d
$0
0 insiders
Sells · 180d
$0
0 insiders
Net
$0
0 P/S txns
Signal
Mixed
open-market
DateInsiderRoleActionSharesValue
Nov 19, 2025Kalin Katherine BachDirectorBuy (P)63K$101K
Jun 12, 2025VAN NOSTRAND ROBERT LDirectorBuy (P)10K$15K
May 30, 2025Wasman JaneDirectorBuy (P)20K$34K
May 22, 2025Kalin Katherine BachDirectorBuy (P)20K$36K
Dec 5, 2022WOOD BARBARA AEVP, Gen. Counsel, Corp. Sec.Sell (S)2K$6K
Dec 5, 2022Burns John ThomasSenior VP, Finance & CAOSell (S)1K$3K
Dec 5, 2022Stergiou Angelos M.President and CEO, DirectorSell (S)6K$17K
Dec 2, 2021Burns John ThomasVP, Finance & Corp ControllerSell (S)231$1K
Dec 2, 2021WOOD BARBARA AEVP, Gen. Counsel, Corp. Sec.Sell (S)847$5K
Dec 2, 2021Stergiou Angelos M.President and CEO, DirectorSell (S)2K$13K

Institutional ownership over time

38 funds+12 since Q3 2024
067133Q3 2024Q1 2025Q3 2025Q1 2026Q2 2026
funds holding aggregate valuelatest $39.0M

Recent filings

15 shown

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Connected entities for SLS

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Ask your agent what changed in SLS

This stock page is the public Follow view. For one current, evidence-backed answer, use capital_change_brief through REST or MCP. It compares tracked 13F changes with qualifying Form 4 activity and cites the SEC evidence.

Copy-paste
curl -H "Authorization: Bearer YOUR_API_KEY" \
  "https://arkolith.com/api/v1/stocks/SLS/capital-change-brief"
Ask your agent
Use Arkolith's capital_change_brief for SLS.
Tell me what changed, whether insider activity
corroborates it, and cite the SEC evidence.

13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for SLS. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.