EQ
EQUILLIUM (EQ)
NASDAQ
$2.14+$0.02 (+1.18%)
Price as of Sep 11, 2026 7:46 PM EDT
  • $133.8M
    Market Cap
  • 12.83%
    1-Year Change
  • Biotechnology
    Industry

Top Holders

Institutional
Mutual Funds
Holder
Ownership %
Shares Held
Change (Shares, %)
Report Date
JANUS HENDERSON GROUP PLC
10.27%
6.5M
+632,359 (+9.74%)
Mar 31, 2026
JUPITER TOPCO LLC
10.27%
6.5M
+6.5M (+100.00%)
Jun 30, 2026
DECHENG CAPITAL LLC
7.03%
4.4M
0 (0.00%)
Jun 30, 2026
DECHENG CAPITAL MANAGEMENT III (CAYMAN), LLC
7.03%
4.4M
0 (0.00%)
Sep 30, 2023
AFFINITY ASSET ADVISORS, LLC
6.48%
4.1M
+2.9M (+70.09%)
Jun 30, 2026
ADAR1 CAPITAL MANAGEMENT, LLC
5.94%
3.8M
+31,910 (+0.85%)
Jun 30, 2026
ABRDN PLC
5.74%
3.6M
+278,822 (+7.68%)
Jun 30, 2026

Current Ownership Distribution

  • Institutions291.1M (82.09%)
  • Mutual Funds54.1M (15.25%)
  • Insiders9.4M (2.66%)
  • Other0 (0.00%)

Insider Transactions

  • 2.66% (9.4M)
    Current InsiderOwnership (%, shares)
  • 0
    Number of InsiderBuying (last 12 months)
  • $0.00
    Amount of InsiderBuying (last 12 months)
  • 2
    Number of InsiderSelling (last 12 months)
  • $757,292.79
    Amount of InsiderSelling (last 12 months)
Insider Name & Title
Type
Date
Transaction Value
Shares
Share Price
Shares After Transactions
Zedelmayer Christine
Sr. Vice President and COO
Exempt
Mar 13, 2026
$0.00
120,312
$0.00
54,688
Zedelmayer Christine
Sr. Vice President and COO
Exempt
Mar 13, 2026
$94,444.92
120,312
$0.79
182,898
Zedelmayer Christine
Sr. Vice President and COO
Sell
Mar 13, 2026
$300,816.09
120,312
$2.50
62,586
Zedelmayer Christine
Sr. Vice President and COO
Exempt
Feb 19, 2026
$0.00
109,375
$0.00
15,625
Zedelmayer Christine
Sr. Vice President and COO
Exempt
Feb 19, 2026
$0.00
76,562
$0.00
98,438
Zedelmayer Christine
Sr. Vice President and COO
Exempt
Feb 19, 2026
$85,859.38
109,375
$0.79
300,819
Zedelmayer Christine
Sr. Vice President and COO
Sell
Feb 19, 2026
$194,840.63
109,375
$1.78
191,444
Zedelmayer Christine
Sr. Vice President and COO
Exempt
Feb 19, 2026
$55,890.26
76,562
$0.73
268,006
Zedelmayer Christine
Sr. Vice President and COO
Sell
Feb 19, 2026
$133,263.82
76,562
$1.74
191,444
Tom Penny
Principal Accounting Officer
Sell
Jan 08, 2026
$8,427.57
6,533
$1.29
0
Zedelmayer Christine
Sr. Vice President and COO
Award
Jan 07, 2026
$0.00
500,000
$0.00
500,000
Steel Bruce D.
Chief Executive Officer
Award
Jan 07, 2026
$0.00
1.8M
$0.00
1.8M
Connelly Stephen
President and CSO
Award
Jan 07, 2026
$0.00
1.1M
$0.00
1.1M
Tom Penny
Principal Accounting Officer
Award
Jan 07, 2026
$0.00
450,000
$0.00
450,000
Zedelmayer Christine
Sr. Vice President and COO
Exempt
Dec 23, 2025
$0.00
100,000
$0.00
0
Zedelmayer Christine
Sr. Vice President and COO
Exempt
Dec 23, 2025
$78,500.00
100,000
$0.79
191,444
Zedelmayer Christine
Sr. Vice President and COO
Sell
Dec 23, 2025
$150,000.00
100,000
$1.50
91,444
Zedelmayer Christine
Sr. Vice President and COO
Sell
Nov 25, 2025
$98.00
100
$0.98
135,146
Zedelmayer Christine
Sr. Vice President and COO
Sell
Nov 25, 2025
$7,598.10
7,998
$0.95
127,148
Tom Penny
Principal Accounting Officer
Award
Aug 29, 2025
$0.00
525,000
$0.00
525,000
Zedelmayer Christine
Sr. Vice President and COO
Award
Aug 29, 2025
$0.00
725,000
$0.00
725,000
Steel Bruce D.
President and CEO
Award
Aug 29, 2025
$0.00
1.7M
$0.00
1.7M
DEMSKI MARTHA J
Award
May 21, 2025
$0.00
20,000
$0.00
20,000
Pruzanski Mark
Award
May 21, 2025
$0.00
20,000
$0.00
20,000
Pruzanski Mark
Award
Feb 14, 2025
$0.00
12,000
$0.00
12,000
BRADBURY DANIEL
EXECUTIVE CHAIRMAN
Award
Feb 14, 2025
$0.00
90,000
$0.00
90,000
Tom Penny
Principal Accounting Officer
Award
Feb 14, 2025
$0.00
65,000
$0.00
65,000
Connelly Stephen
Chief Scientific Officer
Award
Feb 14, 2025
$0.00
90,000
$0.00
90,000
Pruzanski Mark
Return
Feb 14, 2025
$0.00
12,000
$0.00
0
Steel Bruce D.
President and CEO
Award
Feb 14, 2025
$0.00
44,352
$0.00
44,352