How many institutional investors hold JEF?

3 tracked institutional investors disclosed a position in JEF (JEFFERIES FINL GROUP INC) in their most recent 13F filing.

Who is the largest institutional holder of JEF?

Ken Griffin, Citadel Advisors, holds the largest disclosed position in JEF, valued at $144M.

Where does this JEF ownership data come from?

SEC Form 13F-HR filings, accessed via EDGAR. 13F filings are disclosed quarterly with a 45-day reporting delay and cover U.S.-listed long equity positions only. This is not investment advice.

JEF — JEFFERIES FINL GROUP INC

Name: JEFFERIES FINL GROUP INC (JEF) — Institutional Ownership
Creator: InvestorLens
License: https://www.sec.gov/about/website-policies

Public company

For educational research only.InvestorLens analyzes public regulatory filings (SEC EDGAR, STOCK Act PTRs) that may be delayed by 45 days or more. Information shown is historical and is not financial, legal, or tax advice, nor a recommendation or solicitation to buy or sell any security. Always do your own research.

InvestorLens aggregates public filing data to show which tracked investors reported holdings in this stock. Dollar values represent reported position values, not market capitalization, and may be delayed up to 45 days. Not a recommendation.

Sourced from SEC EDGAR public filings

About JEFFERIES FINL GROUP INC (JEF)

JEFFERIES FINL GROUP INC (JEF) appears in the most recent 13F filings of 3 tracked institutional investors. The largest disclosed position is held by Ken Griffin (Citadel Advisors), valued at $144M. Across recent filings, tracked investors recorded 2 new positions, 2 increased, 0 reduced, and 0 exited. All data sourced from SEC 13F filings.

Tracked investors reporting JEF

Investor	Firm	Shares	Market value	% of portfolio	As of
Ken Griffin	Citadel Advisors	2.3M	$143.9M	0.08%	Dec 31, 2025
Warren Buffett	Berkshire Hathaway	433.6K	$17.9M	0.01%	Mar 31, 2026
Ray Dalio	Bridgewater Associates	35.8K	$1.5M	0.01%	Mar 31, 2026

Ken GriffinDec 31, 2025
Citadel Advisors
Shares
2.3M
Value
$143.9M
% Portfolio
0.08%
Warren BuffettMar 31, 2026
Berkshire Hathaway
Shares
433.6K
Value
$17.9M
% Portfolio
0.01%
Ray DalioMar 31, 2026
Bridgewater Associates
Shares
35.8K
Value
$1.5M
% Portfolio
0.01%

Recent activity

Investor	Action	Δ %	Current value	Filing date
Ray Dalio	Increased	50.32%	$1.5M	May 15, 2026
Warren Buffett	Unchanged	0.00%	$17.9M	May 15, 2026
Ken Griffin	Increased	252.54%	$143.9M	Feb 17, 2026
Ray Dalio	New	—	$1.5M	Feb 13, 2026
Warren Buffett	Unchanged	0.00%	$26.9M	Feb 17, 2026
Warren Buffett	New	—	$28.4M	Nov 14, 2025

Ray Dalio
Increased
$1.5M(50.32%)May 15, 2026
Warren Buffett
Unchanged
$17.9M(0.00%)May 15, 2026
Ken Griffin
Increased
$143.9M(252.54%)Feb 17, 2026
Ray Dalio
New
$1.5MFeb 13, 2026
Warren Buffett
Unchanged
$26.9M(0.00%)Feb 17, 2026
Warren Buffett
New
$28.4MNov 14, 2025

Frequently asked questions

How many institutional investors hold JEF?: 3 tracked institutional investors disclosed a position in JEF (JEFFERIES FINL GROUP INC) in their most recent 13F filing.
Who is the largest institutional holder of JEF?: Ken Griffin, Citadel Advisors, holds the largest disclosed position in JEF, valued at $144M.
Did institutional ownership of JEF increase or decrease?: Across recent 13F filings, tracked investors recorded 2 new positions, 2 increased, 0 reduced, and 0 fully exited JEF.
Where does this JEF ownership data come from?: SEC Form 13F-HR filings, accessed via EDGAR. 13F filings are disclosed quarterly with a 45-day reporting delay and cover U.S.-listed long equity positions only. This is not investment advice.