SLS

Sellas Life Sciences Group I$8.23 8.96%
Health CareUSCUSIP 81642T209· EOD Jun 5, 2026◍ Confluence graph
Tracked 13F Holders
42
+35 QoQ
13F Value (tracked)
$52.1M
Insider Net · 180d
$0
0↑ 0↓
Recent Filings
15
Smart-money sentimentBullish
BearishBullish
13F funds (latest Q)20 adding · 1 trimming
Insider net (180d)$0

Price & smart-money activity

$8.23 8.96%5Y -27.3%
$0.47$3.86$7.24$10.63$14.0220212022202320242025202633637237343532347453354341133188121019103611
Hover for who · click for detailEnd-of-day closing prices52w $1.39 – $9.31
Build

Use SLS data in an agent

The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.

Build

Ask your agent who owns SLS

This stock page is the Follow view. The Build view lets your agent query SLS owners, fund changes, insider filings, and source links through REST or MCP.

Copy-paste
curl -H "Authorization: Bearer YOUR_API_KEY" \
  "https://arkolith.com/api/v1/stocks/SLS"
Ask your agent
Use Arkolith to show who owns SLS,
which funds added or reduced it, and which
SEC filings prove each claim.

Top institutional holders

42 tracked 13F filers
#FundPosition valueSharesLast moveAs ofHistory
1STATE STREET CORP
$35.5M
8.4M
+284%
Added · +6.2M sh
Q1 2026
2VANGUARD PORTFOLIO MANAGEMENT LLC
$6.2M
1.5M
New
+1.5M sh
Q1 2026
3VANGUARD FIDUCIARY TRUST CO
$5.1M
1.2M
New
+1.2M sh
Q1 2026
4Rafferty Asset Management, LLC
$1.1M
249K
New
+249K sh
Q1 2026
5Vontobel Holding Ltd.
$737K
174K
New
+174K sh
Q1 2026
6PROFUND ADVISORS LLC
$473K
112K
New
+112K sh
Q1 2026
7MetLife Investment Management, LLC
$399K
94K
+247%
Added · +67K sh
Q1 2026
8Tidal Investments LLC
$381K
90K
New
+90K sh
Q1 2026
9Engineers Gate Manager LP
$350K
83K
New
+83K sh
Q1 2026
10CITADEL ADVISORS LLC
$273K
65K
Added
Added · +65K sh
Q1 2026
11INTECH INVESTMENT MANAGEMENT LLC
$217K
51K
+27%
Added · +11K sh
Q1 2026
12AXXCESS WEALTH MANAGEMENT, LLC
$150K
35K
Held
Q1 2026
13Magnetar Financial LLC
$148K
35K
New
+35K sh
Q1 2026
14E Fund Management Co., Ltd.
$133K
31K
New
+31K sh
Q1 2026
15Kestra Advisory Services, LLC
$123K
29K
+6.4%
Added · +2K sh
Q1 2026
16Jaffetilchin Investment Partners, LLC
$103K
24K
Held
Q1 2026
17INDEPENDENT FINANCIAL GROUP, LLC
$98K
23K
Held
Q1 2026
18Private Advisor Group, LLC
$83K
20K
+7.3%
Added · +1K sh
Q1 2026
19XPONANCE LLC
$63K
15K
New
+15K sh
Q1 2026
20Ameritas Investment Partners, Inc.
$59K
14K
+44%
Added · +4K sh
Q1 2026
21BLAIR WILLIAM & CO/IL
$59K
14K
−46%
Reduced · −12K sh
Q1 2026
22CWM, LLC
$56K
13K
+13%
Added · +1K sh
Q1 2026
23Verition Fund Management LLC
$52K
12K
Added
Added · +12K sh
Q1 2026
24Wealthfront Advisers LLC
$48K
11K
New
+11K sh
Q1 2026
25&PARTNERS
$46K
11K
New
+11K sh
Q1 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.

Fund activity: latest quarter

Opened (NEW)
12
funds
Added
8
funds
Reduced
1
funds
Exited
0
funds

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
Jan 7, 2026Varian JohnDirectorGrant (A)50K$0
Jan 7, 2026Wasman JaneDirectorGrant (A)50K$0
Jan 7, 2026Kalin Katherine BachDirectorGrant (A)50K$0
Jan 7, 2026Burns John ThomasCFOGrant (A)300K$0
Jan 7, 2026CICIC DRAGANSVP, Chief Development OfficerGrant (A)300K$0
Jan 7, 2026SCHEINBERG DAVID ADirectorGrant (A)50K$0
Jan 7, 2026VAN NOSTRAND ROBERT LDirectorGrant (A)50K$0
Dec 3, 2025Burns John ThomasCFOOther (J)59K$88K
Dec 3, 2025Stergiou Angelos M.President and CEO, DirectorOther (J)187K$281K
Dec 3, 2025CICIC DRAGANSVP, Chief Development OfficerOther (J)64K$96K
Nov 19, 2025Kalin Katherine BachDirectorBuy (P)63K$101K
Jun 12, 2025VAN NOSTRAND ROBERT LDirectorBuy (P)10K$15K

Institutional ownership over time

109 funds+90 since Q2 2022
055109Q2 2022Q1 2023Q4 2023Q3 2024Q2 2025Q1 2026
funds holding aggregate valuelatest $209.0M

Funds that own SLS also own

CompanyCo-held byCombined value
APPLE INCAAPL48 funds$21.2B
MICROSOFT CORPMSFT48 funds$18.5B
AMAZON.COM INCAMZN48 funds$13.9B
ALPHABET INC-CL AGOOGL48 funds$11.6B
BROADCOM INCAVGO48 funds$10.2B
META PLATFORMS INC-CLASS AMETA48 funds$8.2B
TESLA INCTSLA48 funds$5.3B
ELI LILLY & COLLY48 funds$4.0B
ADVANCED MICRO DEVICESAMD48 funds$3.6B
NETFLIX INCNFLX48 funds$3.4B
GE VERNOVA INCGEV48 funds$2.2B
UNITEDHEALTH GROUP INCUNH48 funds$2.1B

Ranked by how many of SLS's institutional holders also hold each name, a cross-fund conviction signal. Via the MCP server (ticker.co_held).

Recent filings

15 shown

Browse more

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. Every panel above is one call to the Arkolith API & MCP server.