13F

Stock

Immuneering Corp

IMRX · held by 95 managers

Reported value

$143.3M

Holders

95

+26 new · −18 exited

Holders’ est. mark

−$26M

Price effect on 66 books still in the name

Largest holder

$51.1M

Fidelity

Notable conviction

Share of each notable manager’s 13F book.

Holder count by quarter

Who holds it

Notable only
InvestorSharesValueEst. markChange
Fidelity9.7M$51.1M−$12.7MCut−$12.6M
Sanofi2.71M$14.3M−$3.55MCut−$3.55M
VANGUARD CAPITAL MANAGEMENT LLC2.29M$12.1MHeld
MARSHALL WACE, LLP2M$10.5M−$932.6KAdded$5.84M
BlackRock, Inc.1.51M$7.94M−$1.9MCut−$1.61M
MILLENNIUM MANAGEMENT LLC1.1M$5.81M−$66.7KAdded$5.48M
GEODE CAPITAL MANAGEMENT, LLC637.9K$3.36M−$809.4KCut−$704.6K
Occam Crest Management LP545.1K$2.87M−$653KCut−$407.5K
Citadel447.3K$2.36M−$118.5KAdded$1.76M
Connor, Clark & Lunn Investment Management Ltd.400.4K$2.11M−$173.8KAdded$1.24M
Summit Financial, LLC376.7K$1.99MNew
UBS Group AG376.3K$1.98M−$249.3KAdded$730.6K
GOLDMAN SACHS GROUP INC327.7K$1.73M−$417.6KCut−$371K
VANGUARD FIDUCIARY TRUST CO322K$1.7MHeld
BURKEHILL GLOBAL MANAGEMENT, LP300K$1.58M−$393KCut−$393K
MORGAN STANLEY296.1K$1.56M−$387.8KCut−$1.66M
State Street268.5K$1.42M−$351.8KCut−$14.4M
TWO SIGMA INVESTMENTS, LP244.8K$1.29M−$271.4KCut−$73.1K
Squarepoint Ops LLC226K$1.19M−$120.9KAdded$584.2K
Diametric Capital, LP174.9K$921.7K−$229.1KCut−$702.6K
WELLINGTON MANAGEMENT GROUP LLP156.4K$824.4KNew
BANK OF AMERICA CORP /DE/150.8K$795K−$197.6KCut−$615.4K
683 Capital Management, LLC150.7K$794.2K−$197.4KCut−$197.4K
DCF Advisers, LLC141.5K$745.5K−$185.3KCut−$669.2K
HighTower Advisors, LLC131.3K$691.9K−$145.8KCut−$40.6K
Prosight Management, LP123.4K$650.4KNew
Kingsview Wealth Management, LLC122.2K$644K−$155.4KCut−$136.4K
BARCLAYS PLC122K$642.8K−$159.8KCut−$875.4K
BRIDGEWAY CAPITAL MANAGEMENT, LLC118.1K$622.6K−$154.8KCut−$169.9K
NORTHERN TRUST CORP117.7K$620.1K−$142.9KCut−$97.5K
SUSQUEHANNA INTERNATIONAL GROUP, LLP105.5K$556K−$138.2KCut−$151.1K
Hudson Bay Capital Management LP95.9K$505.3K−$111.3KCut−$53.8K
TD Asset Management Inc94.3K$497.2K−$123.6KCut−$278.3K
Weiss Asset Management LP88K$463.7KNew
Brevan Howard Capital Management LP86.2K$454.5KNew
JANE STREET GROUP, LLC77.4K$408K−$101.4KCut−$263.4K
Renaissance Technologies72.9K$384.1K−$95.5KCut−$618.1K
MANUFACTURERS LIFE INSURANCE COMPANY, THE69.7K$367.5K−$101.6KCut−$101.6K
LANDSCAPE CAPITAL MANAGEMENT, L.L.C.67.5K$355.7K−$88.4KCut−$186.2K
Clearstead Advisors, LLC60.9K$320.8KNew
Flower City Capital55K$290K−$55.3KAdded$12.1K
CITIGROUP INC40.4K$213K−$49.2KCut−$34K
HSBC HOLDINGS PLC37.8K$197.5KNew
CHARLES SCHWAB INVESTMENT MANAGEMENT INC37.3K$196.8K−$29.3KAdded$49.8K
AMERICAN CENTURY COMPANIES INC34.2K$180.4KNew
OPPENHEIMER & CO INC34K$179.2KNew
PRELUDE CAPITAL MANAGEMENT, LLC29.2K$154K−$38.3KCut−$372.4K
Berman McAleer LLC25K$131.8K−$32.8KCut−$32.8K
LPL Financial LLC24.3K$128.3K−$31.9KCut−$63.3K
FIRST MANHATTAN CO. LLC.24.2K$127.8K−$31.8KCut−$31.8K
Vanguard Global Advisers, LLC24.2K$127.8KHeld
CIBC Bancorp USA Inc.23.5K$123.8KHeld
ALETHEA CAPITAL MANAGEMENT, LLC22.9K$120.9K−$30KCut−$30K
OMERS ADMINISTRATION Corp22.4K$118K−$29.3KCut−$196.5K
ENVESTNET ASSET MANAGEMENT INC21.9K$115.2KNew
GREAT VALLEY ADVISOR GROUP, INC.21.1K$111.7K−$24.6KCut−$13.3K
PNC Financial Services Group, Inc.20K$105.4K−$26.2KCut−$26.2K
Future Financial Wealth Managment LLC18K$103.5K$17.5KAdded$17.5K
DIMENSIONAL FUND ADVISORS LP19.6K$103.1K−$25.6KCut−$25.6K
Palumbo Wealth Management LLC18.7K$98.4K−$24.5KCut−$317.9K
NATIONS FINANCIAL GROUP INC, /IA/ /ADV17K$89.6K−$21KCut−$15.7K
WELLS FARGO & COMPANY/MN16.8K$88.5K−$19.7KCut−$10.2K
Schonfeld Strategic Advisors LLC15.9K$83.8KNew
Kelsey Financial, LLC15.1K$79.6K−$18.5KCut−$13.2K
Y-Intercept (Hong Kong) Ltd14.3K$75.3KNew
Catalyst Funds Management Pty Ltd12.8K$67.5KNew
Cetera Investment Advisers12.6K$66.7KNew
Jump Financial, LLC12.3K$64.6KNew
China Universal Asset Management Co., Ltd.11.5K$60.4K−$15KCut−$41.8K
Ausdal Financial Partners, Inc.11K$58K−$14.4KCut−$14.4K
Atria Investments, Inc10.8K$56.7KNew
Thayer Partners, LLC / MA11K$53.7K−$18.7KCut−$18.7K
LEVIN CAPITAL STRATEGIES, L.P.10K$52.7KNew
Moors & Cabot, Inc.10K$52.7K−$13.1KCut−$13.1K
Tidemark, LLC10K$52.7K−$13.1KCut−$78.9K
Caitong International Asset Management Co., Ltd9.15K$48.2K−$6.55KAdded$15.3K
SIMPLEX TRADING, LLC8.94K$47.1K−$11.7KCut−$38.1K
JPMORGAN CHASE & CO6.42K$31.3K−$10.9KCut−$13.2K
Tower Research Capital LLC (TRC)5.06K$26.7K−$140Added$26K
Mirae Asset Global Investments Co., Ltd.3.37K$17.7K−$4.11KCut−$2.9K
GROUP ONE TRADING LLC3.03K$16KNew
BNP PARIBAS FINANCIAL MARKETS2.28K$12K−$2.93KCut−$2.74K
PRICE T ROWE ASSOCIATES INC /MD/1.83M$9.64K−$2.4KCut−$3.48K
Quantbot Technologies LP1.63K$8.6KNew
GF FUND MANAGEMENT CO. LTD.1.44K$7.6K−$1.66KCut−$744
NATIXIS380$2KNew
EverSource Wealth Advisors, LLC345$1.82K−$452Cut−$452
ROYAL BANK OF CANADA360$1KNew
Fortitude Family Office, LLC105$553New
GSA CAPITAL PARTNERS LLP76.8K$404New
HRT FINANCIAL LP42.5K$223New
JONES FINANCIAL COMPANIES LLLP30$149−$48Cut−$48
FNY Investment Advisers, LLC20K$105New
WENDELL DAVID ASSOCIATES INC15K$79−$20Cut−$20
OSAIC HOLDINGS, INC.4$21−$5Cut−$28.3K

Who left

Positions as of Q1 2026. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.