Ken Griffin Citadel Advisors
Ken Griffin founded Citadel, one of the world’s largest and most successful hedge funds. Starting his trading career from his Harvard dorm room at a young age, Griffin quickly developed a keen sense for markets and built Citadel into a global powerhouse with billions in assets under management. Known for his quantitative and technology-driven strategies, Griffin has also made headlines for significant philanthropic contributions, supporting causes in education, the arts, and public institutions. Over the years, he has earned recognition as one of the preeminent figures in modern finance.
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
Amazon
AMZN
|
+$2.49B |
| 2 |
NVIDIA
NVDA
|
+$2.19B |
| 3 |
State Street SPDR Dow Jones Industrial Average ETF Trust
DIA
|
+$1.94B |
| 4 |
TSMC
TSM
|
+$728M |
| 5 |
UnitedHealth
UNH
|
+$705M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Meta Platforms (Facebook)
META
|
+$775M |
| 2 |
AbbVie
ABBV
|
+$540M |
| 3 |
Delta Air Lines
DAL
|
+$434M |
| 4 |
Eli Lilly
LLY
|
+$433M |
| 5 |
DexCom
DXCM
|
+$433M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 4.89% |
| 2 | Healthcare | 2.92% |
| 3 | Financials | 2.71% |
| 4 | Consumer Discretionary | 2.52% |
| 5 | Industrials | 2.2% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
12001
PUT
Conduent
CNDT
$236M
| $49K | ﹤0.01% |
25,500
+13,600
| +114% | +$29.8K |
|
12002
Rafael Holdings
RFL
$103M
| $48.9K | ﹤0.01% |
41,403
-31,181
| -43% | -$40.4K |
|
12003
Greenland Technologies Holding
GTEC
$18.8M
| $48.8K | ﹤0.01% |
79,692
+56,579
| +245% | +$62.4K |
|
|
CJMB
12004
Callan JMB Inc
CJMB
$13.4M
| $48.8K | ﹤0.01% |
+44,002
| New | +$137K |
|
|
MKDW
12005
MKDWELL Tech Inc
MKDW
$49.1M
| $48.8K | ﹤0.01% |
10,201
+2,416
| +31% | +$14.4K |
|
12006
CALL
Talkspace
TALK
$871M
| $48.6K | ﹤0.01% |
+13,400
| New | +$42.5K |
|
12007
CALL
Skye Bioscience
SKYE
$17.6M
| $48.5K | ﹤0.01% |
64,700
+36,500
| +129% | +$53.3K |
|
12008
CALL
Caribou Biosciences
CRBU
$169M
| $48.5K | ﹤0.01% |
30,500
+10,200
| +50% | +$21.4K |
|
|
NOTE
12009
CALL
DELISTED
FiscalNote
NOTE
| $48.5K | ﹤0.01% |
32,964
+19,684
| +148% | +$59.8K |
|
|
ADIL
12010
Adial Pharmaceuticals
ADIL
$10.5M
| $48.3K | ﹤0.01% |
8,785
+3,033
| +53% | +$24.6K |
|
12011
CALL
OmniAb
OABI
$491M
| $48.1K | ﹤0.01% |
26,000
-200
| -0.8% | -$348 |
|
12012
Laser Photonics
LASE
$74.3M
| $48K | ﹤0.01% |
+19,426
| New | +$65.3K |
|
12013
PUT
Goldgroup Mining
GORO
$207M
| $47.9K | ﹤0.01% |
57,900
-7,400
| -11% | -$5.9K |
|
|
XCH
12014
XCHG Ltd
XCH
$22.6M
| $47.9K | ﹤0.01% |
41,635
+24,144
| +138% | +$32.2K |
|
|
TJGC
12015
TJGC Group
TJGC
$40.5M
| $47.8K | ﹤0.01% |
+16,769
| New | +$57.4K |
|
|
CYPH
12016
PUT
Cypherpunk Technologies Inc
CYPH
$69.4M
| $47.6K | ﹤0.01% |
41,000
+6,700
| +20% | +$7.33K |
|
12017
PUT
Zedge
ZDGE
$38.4M
| $47.6K | ﹤0.01% |
+14,500
| New | +$42K |
|
12018
Lanvin Group Holdings
LANV
$125M
| $47.4K | ﹤0.01% |
23,606
-29,968
| -56% | -$61.2K |
|
12019
PUT
Wipro
WIT
$19.2B
| $47.4K | ﹤0.01% |
+16,700
| New | +$45.6K |
|
12020
CALL
AlTi Global
ALTI
$461M
| $47.3K | ﹤0.01% |
+10,200
| New | +$42.1K |
|
|
ORGN
12021
CALL
DELISTED
Origin Materials
ORGN
| $46.8K | ﹤0.01% |
7,363
+470
| +7% | +$6.86K |
|
12022
Curis
CRIS
$3.76M
| $46.6K | ﹤0.01% |
+2,362
| New | +$63.4K |
|
12023
PolyPid
PYPD
$90.9M
| $46.5K | ﹤0.01% |
+10,723
| New | +$39.8K |
|
12024
PUT
Ironwood Pharmaceuticals
IRWD
$712M
| $46.2K | ﹤0.01% |
13,700
+2,000
| +17% | +$5.19K |
|
12025
TherapeuticsMD
TXMD
$24M
| $46K | ﹤0.01% |
28,240
-6,033
| -18% | -$8.72K |
|
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Ken Griffin's Q4 2025 Portfolio in Review
As of Q4 2025, Ken Griffin held 14,701 positions worth $666B, up 1.3% from $657B the previous quarter. Its ten largest holdings account for 23% of the portfolio.
Ken Griffin's Q4 2025 filing shows 2,078 new, 5,000 increased, 5,362 reduced and 2,191 closed positions. Its largest new stake was Medline Inc: 6,006,339 shares worth $252M. The largest sale was Meta Platforms (Facebook), an estimated $775M.
By sector, the portfolio is most concentrated in Technology at 4.9% of assets, up from 3.8% a quarter earlier, followed by Healthcare and Financials.
- Ken Griffin's largest Q4 2025 buy was Medline Inc: 6,006,339 shares worth $252M.
- Ken Griffin added most to Amazon in Q4 2025, an estimated $2.49B increase.
- Ken Griffin's biggest Q4 2025 reduction was Meta Platforms (Facebook), cutting an estimated $775M.
- Ken Griffin fully exited WEX in Q4 2025, selling an estimated $131M.
- Ken Griffin's ten largest holdings make up 23% of its $666B portfolio in Q4 2025.
- Ken Griffin opened 2,078 new positions and closed 2,191 in Q4 2025.
- Ken Griffin's portfolio value rose 1.3% quarter-over-quarter to $666B.
Based on Citadel Advisors's 13F filing for Q4 2025, filed 17 Feb 2026.