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Equillium, Inc.

EQ
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
SEC CIK
0001746466

No open-market purchases or sales by Equillium, Inc. insiders were filed in the last 90 days; 60 institutions reported holding it in 13F filings for Q2 2026, worth $133.0M in total; no superinvestor holds it.

13F holders, Q4 2025

Institutional positions in Equillium, Inc. as of Dec 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
36
−3 vs. Q3 2025
Shares held
35.3M
+7.46M (+26.8%) vs. Q3 2025
Total value
$54.7M
+$14.9M (+37.4%) vs. Q3 2025
New holders
8
15 more added
Sold out
11
7 more reduced

1 institution that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting EQ on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ4 2025: 36 institutions
Q1 2021: 33 institutionsQ2 2021: 28 institutionsQ3 2021: 22 institutionsQ4 2021: 26 institutionsQ1 2022: 30 institutionsQ2 2022: 25 institutionsQ3 2022: 30 institutionsQ4 2022: 31 institutionsQ1 2023: 28 institutionsQ2 2023: 27 institutionsQ3 2023: 25 institutionsQ4 2023: 25 institutionsQ1 2024: 28 institutionsQ2 2024: 25 institutionsQ3 2024: 26 institutionsQ4 2024: 26 institutionsQ1 2025: 24 institutionsQ2 2025: 27 institutionsQ3 2025: 40 institutionsQ4 2025: 36 institutionsQ1 2026: 50 institutionsQ2 2026: 60 institutions
Value heldQ4 2025: $54.7M
Q1 2021: $54.6MQ2 2021: $41.9MQ3 2021: $49.9MQ4 2021: $27.0MQ1 2022: $39.7MQ2 2022: $25.6MQ3 2022: $28.4MQ4 2022: $13.3MQ1 2023: $7.86MQ2 2023: $7.44MQ3 2023: $6.75MQ4 2023: $6.85MQ1 2024: $20.5MQ2 2024: $6.15MQ3 2024: $7.25MQ4 2024: $6.52MQ1 2025: $3.39MQ2 2025: $2.74MQ3 2025: $42.4MQ4 2025: $54.7MQ1 2026: $81.0MQ2 2026: $133.0M
Institutions holding EQ and their total value by quarter
QuarterHoldersValue
Q2 202660$133.0M
Q1 202650$81.0M
Q4 202536$54.7M
Q3 202540$42.4M
Q2 202527$2.74M
Q1 202524$3.39M
Q4 202426$6.52M
Q3 202426$7.25M
Q2 202425$6.15M
Q1 202428$20.5M
Q4 202325$6.85M
Q3 202325$6.75M
Q2 202327$7.44M
Q1 202328$7.86M
Q4 202231$13.3M
Q3 202230$28.4M
Q2 202225$25.6M
Q1 202230$39.7M
Q4 202126$27.0M
Q3 202122$49.9M
Q2 202128$41.9M
Q1 202133$54.6M

Institutions, Q4 2025

Shares, value and share of portfolio for each institution holding Equillium, Inc.; share changes are against Q3 2025.

Institutions holding EQ in Q4 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Janus Henderson Group PLC5,862,212$9.06M0.00%+5,862,212New
ADAR1 Capital Management, LLC5,608,078$8.69M0.65%+48,090+0.9%Added
Adage Capital Partners GP, L.L.C.5,329,416$8.26M0.01%00.0%Unchanged
Decheng Capital LLC4,447,308$6.89M0.93%00.0%Unchanged
Woodline Partners LP3,500,901$5.43M0.02%−7,870−0.2%Reduced
Standard Life Aberdeen plc2,366,688$3.67M0.01%+1,987,162+523.6%Added
Balyasny Asset Management LLC2,076,250$3.22M0.01%+72,602+3.6%Added
Vanguard Group Inc1,920,423$2.98M0.00%+606,477+46.2%Added
Renaissance Technologies LLC733,226$1.14M0.00%+118,303+19.2%Added
Cantor Fitzgerald, L. P.562,643$872.1K0.03%+137,643+32.4%Added
Hudson Bay Capital Management LP428,538$664.2K0.00%+150,000+53.9%Added
Diadema Partners LP347,393$538.5K0.32%+47,393+15.8%Added
Geode Capital Management, LLC345,310$535.3K0.00%+34,491+11.1%Added
Two Sigma Investments, LP324,610$503.1K0.00%+191,606+144.1%Added
Ikarian Capital, LLC303,555$470.5K0.06%−28,742−8.6%Reduced
Susquehanna International Group, LLP185,669$287.8K0.00%+185,669New
State Street Corp155,420$240.9K0.00%+17,900+13.0%Added
BlackRock, Inc.126,053$195.4K0.00%00.0%Unchanged
Jane Street Group, LLC100,850$156.3K0.00%+100,850New
Boothbay Fund Management, LLC93,211$144.5K0.00%−28,742−23.6%Reduced
Persistent Asset Partners Ltd93,123$144.3K0.07%+24,132+35.0%Added
Northern Trust Corp88,529$137.2K0.00%+53,510+152.8%Added
Royal Bank of Canada79,734$124.0K0.00%+79,734New
AlphaCore Capital LLC52,345$81.1K0.00%00.0%Unchanged
Two Sigma Advisers, LP44,100$68.4K0.00%+44,100New
Morgan Stanley35,734$55.4K0.00%+25,649+254.3%Added
Schonfeld Strategic Advisors LLC25,381$39.3K0.00%−99,442−79.7%Reduced
Tudor Investment Corp Et Al20,100$31.2K0.00%+20,100New
Apollon Wealth Management, LLC13,875$21.5K0.00%00.0%Unchanged
Coastal Bridge Advisors, LLC10,500$16.3K0.00%+10,500New
Tower Research Capital LLC (TRC)4,070$6.31K0.00%−2,336−36.5%Reduced
Wells Fargo & Company1,000$1.55K0.00%00.0%Unchanged
UBS Group AG920$1.43K0.00%−27,110−96.7%Reduced
Bank of America Corp295$4570.00%+21+7.7%Added
SBI Securities Co., Ltd.283$4390.00%−162−36.4%Reduced
Jones Financial Companies LLLP250$3880.00%+250New
StemPoint Capital LP0$00.00%−1,908,935−100.0%Sold out
Citadel Advisors LLC0$00.00%−85,557−100.0%Sold out
Marshall Wace, LLP0$00.00%−41,220−100.0%Sold out
Engineers Gate Manager LP0$00.00%−39,739−100.0%Sold out
Prudential Financial Inc0$00.00%−28,300−100.0%Sold out
Millennium Management LLC0$00.00%−24,356−100.0%Sold out
Virtu Financial LLC0$00.00%−23,779−100.0%Sold out
Two Sigma Securities, LLC0$00.00%−10,544−100.0%Sold out
Simplex Trading, LLC0$00.00%−1,922−100.0%Sold out
Rise Advisors, LLC0$00.00%−263−100.0%Sold out
FMR LLC0$00.00%−200−100.0%Sold out
Takeda Pharmaceutical Co Ltd––––Not filed