Equillium, Inc. - Common Stock (EQ) Institutional Ownership

13F Institutional Holders and Ownership History from Q4 2018 to Q4 2025

Type / Class
Equity / Common Stock
Symbol
EQ on Nasdaq
Shares outstanding
60,893,283
Price per share
$1.55
All holders as of 30 Sep 2025
Q3 2025
Total 13F shares
29,653,795
Total reported value
$42,404,231
% of total 13F portfolios
0%
Share change
+20,944,744
Value change
+$30,732,114
Number of holders
40
Price from insider filings
$1.55
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of Equillium, Inc. - Common Stock (EQ) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
ADAR1 Capital Management, LLC 9.9% $8,858,062 6,194,882 ADAR1 Capital Management GP, LLC 30 Sep 2025
JANUS HENDERSON GROUP PLC 10% $6,204,904 6,083,239 JANUS HENDERSON GROUP PLC 28 Nov 2025
Adage Capital Management, L.P. 10% $8,597,451 6,012,624 Adage Capital Management, L.P. 30 Sep 2025
Woodline Partners LP 5.9% $5,017,192 3,508,771 Woodline Partners LP 30 Sep 2025

As of 30 Sep 2025, 40 institutional investors reported holding 29,653,795 shares of Equillium, Inc. - Common Stock (EQ). This represents 49% of the company’s total 60,893,283 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of Equillium, Inc. - Common Stock (EQ) together control 48% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.

Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
ADAR1 Capital Management, LLC 9.1% 5,559,988 0.79% $7,950,783
ADAGE CAPITAL PARTNERS GP, L.L.C. 8.8% 5,329,416 0.01% $7,621,065
Decheng Capital LLC 7.3% 4,447,308 0% 1.1% $6,359,650
Woodline Partners LP 5.8% 3,508,771 0.02% $5,017,543
Balyasny Asset Management L.P. 3.3% 2,003,648 0.01% $2,865,217
STEMPOINT CAPITAL LP 3.1% 1,908,935 0.55% $2,729,777
TAKEDA PHARMACEUTICAL CO LTD 3% 1,824,977 0% 16% $2,609,717
VANGUARD GROUP INC 2.2% 1,313,946 +59% 0% $1,878,943
RENAISSANCE TECHNOLOGIES LLC 1% 614,923 +124% 0% $879,340
CANTOR FITZGERALD, L. P. 0.7% 425,000 0.01% $607,750
Aberdeen Group plc 0.62% 379,526 0% $542,722
Ikarian Capital, LLC 0.55% 332,297 0.11% $475,185
GEODE CAPITAL MANAGEMENT, LLC 0.51% 310,819 +59% 0% $444,528
DIADEMA PARTNERS LP 0.49% 300,000 0.3% $429,000
Hudson Bay Capital Management LP 0.46% 278,538 0% $398,309
STATE STREET CORP 0.23% 137,520 +130% 0% $196,654
TWO SIGMA INVESTMENTS, LP 0.22% 133,004 0% $190,196
BlackRock, Inc. 0.21% 126,053 0% $180,256
Schonfeld Strategic Advisors LLC 0.2% 124,823 0% $178,494
BOOTHBAY FUND MANAGEMENT, LLC 0.2% 121,953 0% $174,393
CITADEL ADVISORS LLC 0.14% 85,557 -35% 0% $122,347
Persistent Asset Partners Ltd 0.11% 68,991 0.07% $98,657
AlphaCore Capital LLC 0.09% 52,345 0% 0% $74,853
MARSHALL WACE, LLP 0.07% 41,220 0% $58,946
Engineers Gate Manager LP 0.07% 39,739 0% $56,827

Institutional Holders of Equillium, Inc. - Common Stock (EQ) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2025 Q4 2,380,563 $3,689,872 +$3,080,101 $1.55 2
2025 Q3 29,653,795 $42,404,231 +$30,732,114 $1.43 40
2025 Q2 8,709,051 $2,740,934 +$38,408 $0.32 27
2025 Q1 8,659,890 $3,389,920 -$48,128 $0.39 23
2024 Q4 8,704,762 $6,515,281 -$14,851 $0.75 25
2024 Q3 8,717,452 $7,247,939 -$126,677 $0.83 24
2024 Q2 7,062,497 $4,892,637 -$260,570 $0.69 23
2024 Q1 8,889,978 $20,532,946 -$656,682 $2.31 27
2023 Q4 1,824,977 $1,313,983 $0.72 1
2023 Q3 9,118,202 $6,747,461 -$594,650 $0.74 24
2023 Q2 9,917,089 $7,437,644 -$618,031 $0.75 25
2023 Q1 10,767,194 $7,860,967 -$1,139,279 $0.73 28
2022 Q4 12,212,724 $13,289,778 -$1,469,090 $1.06 30
2022 Q3 12,723,260 $28,244,000 +$597,093 $2.22 27
2022 Q2 12,452,954 $25,406,000 -$257,683 $2.04 21
2022 Q1 12,552,939 $39,540,748 +$2,879,195 $3.15 27
2021 Q4 7,190,498 $27,020,558 -$551,328 $3.77 24
2021 Q3 7,322,520 $49,937,820 +$1,715,504 $6.82 21
2021 Q2 7,107,688 $41,866,000 -$4,503,005 $5.89 24
2021 Q1 7,632,160 $54,572,000 +$5,602,678 $7.15 32
2020 Q4 6,914,838 $36,998,000 -$4,855,110 $5.35 36
2020 Q3 7,697,536 $44,415,000 +$25,103,179 $5.77 28
2020 Q2 3,584,557 $10,574,083 -$1,494,114 $2.95 19
2020 Q1 4,090,779 $11,087,152 -$237,337 $2.71 16
2019 Q4 4,166,782 $14,080,189 -$864,478 $3.38 18
2019 Q3 4,297,052 $16,328,592 -$838,128 $3.80 17
2019 Q2 4,116,403 $23,298,860 -$465,772 $5.66 20
2019 Q1 4,392,444 $35,140,000 +$41,251 $8.00 27
2018 Q4 4,499,898 $36,719,000 +$35,910,016 $8.16 29