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 | |
|---|---|---|---|---|---|---|
11626
PUT
Cardiff Oncology
CRDF
$74.9M
| $96.9K | ﹤0.01% |
34,500
+15,900
| +85% | +$36.9K |
|
11627
CALL
Thryv Holdings
THRY
$96M
| $96.8K | ﹤0.01% |
+16,000
| New | +$127K |
|
11628
CALL
Heartland Express
HTLD
$989M
| $96.6K | ﹤0.01% |
10,700
-6,300
| -37% | -$52.4K |
|
11629
Fathom Holdings
FTHM
$25.7M
| $96.5K | ﹤0.01% |
95,519
+47,202
| +98% | +$63.6K |
|
|
SUIG
11630
PUT
Sui Group Holdings
SUIG
$62M
| $96.4K | ﹤0.01% |
57,700
+27,500
| +91% | +$71.1K |
|
|
PMNT
11631
DELISTED
PERFECT MOMENT LTD
PMNT
| $96.3K | ﹤0.01% |
231,485
+105,334
| +83% | +$49.3K |
|
|
ARDT
11632
CALL
Ardent Health
ARDT
$1.54B
| $96.2K | ﹤0.01% |
10,900
-6,100
| -36% | -$70.5K |
|
|
MAPS
11633
CALL
DELISTED
WM TECHNOLOGY INC A
MAPS
| $96K | ﹤0.01% |
116,400
+88,600
| +319% | +$87.2K |
|
|
UROY
11634
CALL
Uranium Royalty Corp
UROY
$1.57B
| $95.9K | ﹤0.01% |
+27,100
| New | +$106K |
|
|
FLD
11635
CALL
Fold Holdings
FLD
$26.1M
| $95.8K | ﹤0.01% |
36,700
-10,200
| -22% | -$33.8K |
|
|
TOKE
11636
PUT
DELISTED
Cambria Cannabis ETF
TOKE
| $95.5K | ﹤0.01% |
+15,500
| New | +$91.9K |
|
11637
CALL
InflaRx
IFRX
$301M
| $95.4K | ﹤0.01% |
94,500
+42,500
| +82% | +$52.8K |
|
11638
Cytosorbents Corp
CTSO
$25.1M
| $95.4K | ﹤0.01% |
149,279
+83,589
| +127% | +$64.3K |
|
|
STLN
11639
PUT
Starling Oncology
STLN
$657M
| $95.4K | ﹤0.01% |
26,800
+12,400
| +86% | +$46K |
|
|
LND
11640
BrasilAgro
LND
$357M
| $95.2K | ﹤0.01% |
26,598
-36,896
| -58% | -$135K |
|
11641
KULR Technology Group
KULR
$122M
| $95.2K | ﹤0.01% |
32,158
-576,055
| -95% | -$2.11M |
|
|
STEX
11642
PUT
Streamex Corp
STEX
$108M
| $95.1K | ﹤0.01% |
31,400
+2,400
| +8% | +$10.7K |
|
11643
PUT
Offerpad Solutions
OPAD
$21.5M
| $95K | ﹤0.01% |
7,850
-16,610
| -68% | -$367K |
|
|
SGMO
11644
PUT
DELISTED
SANGAMO THERAPEUTICS INC
SGMO
| $94.9K | ﹤0.01% |
225,900
-21,700
| -9% | -$11.5K |
|
|
BCYC
11645
PUT
Bicycle Therapeutics
BCYC
$273M
| $94.9K | ﹤0.01% |
+13,400
| New | +$98.8K |
|
|
CNSY
11646
Cerenome
CNSY
$25.3M
| $94.8K | ﹤0.01% |
+7,402
| New | +$112K |
|
11647
Alpha Pro Tech
APT
$55.4M
| $94.8K | ﹤0.01% |
21,351
-15,444
| -42% | -$71.1K |
|
11648
PUT
Culp Inc
CULP
$42.1M
| $94.7K | ﹤0.01% |
+26,600
| New | +$105K |
|
11649
PUT
Rimini Street
RMNI
$466M
| $94.7K | ﹤0.01% |
24,400
-4,100
| -14% | -$17K |
|
|
BTM
11650
CALL
DELISTED
Bitcoin Depot
BTM
| $94.6K | ﹤0.01% |
10,471
-22,443
| -68% | -$344K |
|
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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.