Security key
29446K106
Equillium, Inc. - Common Stock, par value $0.0001 per share (EQ)
CUSIP: 29446K106
Q1 2026 13F Holders as of 31 Mar 2026
- Type / Class
- Equity / Common Stock, par value $0.0001 per share
- Shares outstanding
- 66,704,586
- Total 13F shares
- 40,498,666
- Share change
- +5,151,268
- Total reported value
- $80,965,178
- Put/Call ratio
- 90%
- Price per share
- $2.00
- Number of holders
- 49
- Value change
- +$10,370,999
- Number of buys
- 25
- Number of sells
- 15
Report period
Q1 2026
Institutions
49
Top holders
10
EQ full security history
Previous quarter: Q4 2025
Equillium, Inc. SEC filings
Equillium, Inc. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 29446K106
Recent filing periods:
Top shareholders of EQ - Equillium, Inc. - Common Stock, par value $0.0001 per share (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.
Methodology: rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
| Holder | Source | Role / Reporting | Ownership % | Shares | Holdings Value | 12M Net Δ | As of | Details |
|---|---|---|---|---|---|---|---|---|
| JANUS HENDERSON GROUP PLC |
13D/G
13F
|
Company |
10%
|
6,083,239
|
$9,429,020 | $0 | 30 Jan 2026 | |
| Adage Capital Management, L.P. |
13D/G
|
— |
10%
|
6,012,624
|
$8,596,850 | $0 | 30 Sep 2025 | |
| ADAR1 Capital Management, LLC |
13D/G
13F
|
Company |
9.9%
|
6,603,754
|
$13,735,808 | +$850,454 | 31 Mar 2026 | |
| RA CAPITAL MANAGEMENT, L.P. |
13D/G
|
— |
9.9%
|
6,480,209
|
$11,275,564 | $0 | 13 Mar 2026 | |
| Decheng Capital Management IV (Cayman), LLC |
13D/G
|
Xiangmin Cui |
8.9%
|
5,733,021
|
$10,950,070 | $0 | 31 Mar 2026 | |
| Woodline Partners LP |
13F
13D/G
|
Company |
5.9%
from 13D/G
|
3,500,901
|
$5,426,397 | — | 31 Dec 2025 | |
| ADAGE CAPITAL PARTNERS GP, L.L.C. |
13F
|
Company |
8%
|
5,329,416
|
$8,260,595 | — | 31 Dec 2025 | |
| Decheng Capital LLC |
13F
|
Company |
6.7%
|
4,447,308
|
$6,893,328 | — | 31 Dec 2025 | |
| Aberdeen Group plc |
13F
|
Company |
3.5%
|
2,366,688
|
$3,668,366 | — | 31 Dec 2025 | |
| BALYASNY ASSET MANAGEMENT L.P. |
13F
|
Company |
3.1%
|
2,076,250
|
$3,218,188 | — | 31 Dec 2025 | |
| VANGUARD GROUP INC |
13F
|
Company |
2.9%
|
1,920,423
|
$2,976,656 | — | 31 Dec 2025 | |
| RENAISSANCE TECHNOLOGIES LLC |
13F
|
Company |
1.1%
|
733,226
|
$1,136,500 | — | 31 Dec 2025 | |
| CANTOR FITZGERALD, L. P. |
13F
|
Individual |
0.84%
|
562,643
|
$872,097 | — | 31 Dec 2025 | |
| Hudson Bay Capital Management LP |
13F
|
Company |
0.64%
|
428,538
|
$664,234 | — | 31 Dec 2025 | |
| DIADEMA PARTNERS LP |
13F
|
Company |
0.52%
|
347,393
|
$538,459 | — | 31 Dec 2025 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
0.52%
|
345,310
|
$535,289 | — | 31 Dec 2025 | |
| TWO SIGMA INVESTMENTS, LP |
13F
|
Company |
0.49%
|
324,610
|
$503,146 | — | 31 Dec 2025 | |
| Ikarian Capital, LLC |
13F
|
Company |
0.46%
|
303,555
|
$470,510 | — | 31 Dec 2025 | |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP |
13F
|
Company |
0.28%
|
185,669
|
$287,787 | — | 31 Dec 2025 | |
| STATE STREET CORP |
13F
|
Company |
0.23%
|
155,420
|
$240,901 | — | 31 Dec 2025 | |
| BlackRock, Inc. |
13F
|
Company |
0.19%
|
126,053
|
$195,382 | — | 31 Dec 2025 | |
| JANE STREET GROUP, LLC |
13F
|
Company |
0.15%
|
100,850
|
$156,317 | — | 31 Dec 2025 | |
| BOOTHBAY FUND MANAGEMENT, LLC |
13F
|
Company |
0.14%
|
93,211
|
$144,477 | — | 31 Dec 2025 | |
| Persistent Asset Partners Ltd |
13F
|
Company |
0.14%
|
93,123
|
$144,341 | — | 31 Dec 2025 | |
| NORTHERN TRUST CORP |
13F
|
Company |
0.13%
|
88,529
|
$137,220 | — | 31 Dec 2025 | |
| ROYAL BANK OF CANADA |
13F
|
Company |
0.12%
|
79,734
|
$124,000 | — | 31 Dec 2025 | |
| AlphaCore Capital LLC |
13F
|
Company |
0.08%
|
52,345
|
$81,135 | — | 31 Dec 2025 | |
| TWO SIGMA ADVISERS, LP |
13F
|
Company |
0.07%
|
44,100
|
$68,355 | — | 31 Dec 2025 | |
| MORGAN STANLEY |
13F
|
Company |
0.05%
|
35,734
|
$55,388 | — | 31 Dec 2025 | |
| Schonfeld Strategic Advisors LLC |
13F
|
Company |
0.04%
|
25,381
|
$39,339 | — | 31 Dec 2025 | |
| TUDOR INVESTMENT CORP ET AL |
13F
|
Company |
0.03%
|
20,100
|
$31,155 | — | 31 Dec 2025 | |
| Apollon Wealth Management, LLC |
13F
|
Company |
0.02%
|
13,875
|
$21,506 | — | 31 Dec 2025 | |
| Coastal Bridge Advisors, LLC |
13F
|
Company |
0.02%
|
10,500
|
$16,275 | — | 31 Dec 2025 | |
| Tower Research Capital LLC (TRC) |
13F
|
Company |
0.01%
|
4,070
|
$6,309 | — | 31 Dec 2025 | |
| WELLS FARGO & COMPANY/MN |
13F
|
Company |
0%
|
1,000
|
$1,550 | — | 31 Dec 2025 | |
| UBS Group AG |
13F
|
Company |
0%
|
920
|
$1,426 | — | 31 Dec 2025 | |
| BANK OF AMERICA CORP /DE/ |
13F
|
Company |
0%
|
295
|
$457 | — | 31 Dec 2025 | |
| SBI Securities Co., Ltd. |
13F
|
Company |
0%
|
283
|
$439 | — | 31 Dec 2025 | |
| JONES FINANCIAL COMPANIES LLLP |
13F
|
Company |
0%
|
250
|
$388 | — | 31 Dec 2025 | |
| Bruce D. Steel |
3/4/5
|
Chief Executive Officer, Director, 10%+ Owner |
—
class O/S missing
|
1,750,000
|
— | — | 07 Jan 2026 | |
| Christine Zedelmayer |
3/4/5
|
Sr. Vice President and COO |
—
mixed-class rows
|
117,274
mixed-class rows
|
$156,483 | -$1,196,541 | 13 Mar 2026 | |
| Jason A. Keyes |
3/4/5
|
Chief Financial Officer |
—
class O/S missing
|
126,633
|
$82,311 | — | 14 Feb 2025 | |
| Joel Rothman |
3/4/5
|
Chief Development Officer |
—
mixed-class rows
|
233,150
mixed-class rows
|
$33,727 | — | 02 Jan 2024 | |
| Stephen Connelly |
3/4/5
|
President and CSO, Director |
—
class O/S missing
|
1,150,000
|
— | — | 07 Jan 2026 | |
| Penny Tom |
3/4/5
|
Principal Accounting Officer |
—
class O/S missing
|
450,000
|
— | -$8,428 | 07 Jan 2026 | |
| Bala S. Manian |
3/4/5
|
Director |
—
mixed-class rows
|
40,000
mixed-class rows
|
— | — | 21 May 2025 | |
| Barbara Troupin |
3/4/5
|
Director |
—
mixed-class rows
|
40,000
mixed-class rows
|
— | — | 21 May 2025 | |
| Charles Douglas McDermott |
3/4/5
|
Director |
—
mixed-class rows
|
40,000
mixed-class rows
|
— | — | 21 May 2025 | |
| Mark Pruzanski |
3/4/5
|
Director |
—
mixed-class rows
|
40,000
mixed-class rows
|
— | — | 21 May 2025 | |
| Martha J. Demski |
3/4/5
|
Director |
—
mixed-class rows
|
40,000
mixed-class rows
|
— | — | 21 May 2025 |
Institutional Holders of Equillium, Inc. - Common Stock, par value $0.0001 per share (EQ) as of Q1 2026
As of 31 Mar 2026,
Equillium, Inc. - Common Stock, par value $0.0001 per share (EQ) was held by
49 institutional
shareholders
that filed Form 13F with the SEC.
Together, they reported ownership of
40,498,666 shares.
The largest 10 holders included
JANUS HENDERSON GROUP PLC, ADAGE CAPITAL PARTNERS GP, L.L.C., Decheng Capital LLC, ADAR1 Capital Management, LLC, Woodline Partners LP, Aberdeen Group plc, RA CAPITAL MANAGEMENT, L.P., VANGUARD CAPITAL MANAGEMENT LLC, Balyasny Asset Management L.P., and Eversept Partners, LP.
This page lists
49
institutional shareholders reporting positions in this security
for the Q1 2026 filing period.
| Investor | Option | Weight % | Change % | Value $ | * Price | Shares | Share Change | Activity | Report Period |
|---|
Compare Q1 2026 vs Q4 2025 Across Filers
Q4 2025 holders
36
Q1 2026 holders
49
Holder diff
13
| Investor | Q4 2025 Shares | Q1 2026 Shares | Share Diff | Share Chg % | Q4 2025 Value $ | Q1 2026 Value $ | Value Diff $ | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.
An asterisk sign (*) next to the price indicates that the price is likely invalid.