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6CM

683 Capital Management Portfolio holdings

AUM $2.04B
1-Year Est. Return 94.26%
This Fund
S&P 500
This Quarter Est. Return
+21.28%
1 Year Est. Return
+94.26%
3 Year Est. Return
+310.51%
5 Year Est. Return
+306.13%
10 Year Est. Return
+3,783.92%
AUM
$2.3B
AUM Growth
+$384M
Cap. Flow
-$51M
Cap. Flow %
-2.22%
Top 10 Hldgs %
49.4%
Holding
255
New
116
Increased
33
Reduced
43
Closed
21

Top Buys

Rank Stock Value
1
KSPI icon
Kaspi.kz JSC
KSPI
+$20M
2
MREO
Mereo BioPharma
MREO
+$19.3M
3
BDX icon
Becton Dickinson
BDX
+$17.1M
4
SUNC
SunocoCorp LLC
SUNC
+$11.8M
5
MOH icon
Molina Healthcare
MOH
+$8.88M

Top Sells

Rank Stock Value
1
WDC icon
Western Digital
WDC
+$29.7M
2
QURE icon
uniQure
QURE
+$26.4M
3
LLY icon
Eli Lilly
LLY
+$21.8M
4
BBIO icon
BridgeBio Pharma
BBIO
+$19.6M
5
SNDK
Sandisk
SNDK
+$16.4M

Sector Composition

Rank Sector Weight
1 Miscellaneous 50.31%
2 Healthcare 21.71%
3 Financials 6.94%
4 Consumer Discretionary 6.7%
5 Industrials 3.68%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
PLTR icon
1
PUT
Palantir
PLTR
$407B
$414M 18.01%
2,328,700
+1,194,600
+105% +$216M
LLY icon
2
PUT
Eli Lilly
LLY
$1T
$166M 7.2%
154,000
+4,000
+3% +$3.82M
TSLA icon
3
PUT
Tesla
TSLA
$1.45T
$94.4M 4.11%
210,000
-500
-0.2% -$222K
NVDA icon
4
PUT
NVIDIA
NVDA
$5.4T
$85M 3.7%
+456,000
New +$84.9M
COF icon
5
Capital One
COF
$129B
$81.2M 3.53%
335,000
+10,000
+3% +$2.23M
WVE icon
6
Wave Life Sciences
WVE
$948M
$68.3M 2.97%
4,015,000
-135,000
-3% -$1.37M
CVNA icon
7
Carvana
CVNA
$52.8B
$63.3M 2.75%
750,000
– –
MDGL icon
8
PUT
Madrigal Pharmaceuticals
MDGL
$12.6B
$57.7M 2.51%
99,000
-53,000
-35% -$27.1M
ALNY icon
9
PUT
Alnylam Pharmaceuticals
ALNY
$34.5B
$56.1M 2.44%
141,100
+5,400
+4% +$2.39M
PRAX icon
10
PUT
Praxis Precision Medicines
PRAX
$9.64B
$50M 2.18%
+169,800
New +$31.6M
GXO icon
11
GXO Logistics
GXO
$5.3B
$36.1M 1.57%
685,000
-90,000
-12% -$4.73M
HGV icon
12
Hilton Grand Vacations
HGV
$3.13B
$33.3M 1.45%
745,000
+120,000
+19% +$5.1M
PTGX icon
13
Protagonist Therapeutics
PTGX
$9.39B
$33.2M 1.45%
380,669
-26,831
-7% -$2.2M
ANAB icon
14
AnaptysBio
ANAB
$1.65B
$31.4M 1.37%
648,093
+101,093
+18% +$3.94M
UWMC icon
15
UWM Holdings
UWMC
$2.2B
$30.9M 1.34%
7,050,518
-349,482
-5% -$1.88M
PHAT icon
16
Phathom Pharmaceuticals
PHAT
$701M
$29.6M 1.29%
1,785,000
-35,380
-2% -$505K
WDC icon
17
Western Digital
WDC
$174B
$24.7M 1.07%
143,300
-195,700
-58% -$29.7M
IONQ icon
18
PUT
IonQ
IONQ
$15.5B
$24.4M 1.06%
544,200
+339,200
+165% +$19M
AMTM
19
Amentum Holdings
AMTM
$4.72B
$24.2M 1.05%
835,000
-440,000
-35% -$11.2M
MOH icon
20
Molina Healthcare
MOH
$10.1B
$23.4M 1.02%
135,000
+54,000
+67% +$8.88M
KSPI icon
21
Kaspi.kz JSC
KSPI
$19B
$20.7M 0.9%
+265,000
New +$20M
MGTX icon
22
MeiraGTx Holdings
MGTX
$1.27B
$20.3M 0.89%
2,559,082
-65,918
-3% -$548K
AMLX icon
23
Amylyx Pharmaceuticals
AMLX
$3.61B
$19.9M 0.87%
1,650,000
-110,000
-6% -$1.49M
NVO
24
PUT
Novo Nordisk
NVO
$197B
$19M 0.83%
374,200
-225,000
-38% -$11.5M
COF icon
25
PUT
Capital One
COF
$129B
$18.2M 0.79%
75,000
– –
1
2 3 4 5

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683 Capital Management's Q4 2025 Portfolio in Review

As of Q4 2025, 683 Capital Management held 255 positions worth $2.3B, up 20% from $1.91B the previous quarter. Its ten largest holdings account for 49% of the portfolio.

683 Capital Management's Q4 2025 filing shows 116 new, 33 increased, 43 reduced and 21 closed positions. Its largest new stake was Kaspi.kz JSC: 265,000 shares worth $20.7M. The largest sale was Western Digital, an estimated $29.7M.

By sector, the portfolio is most concentrated in Miscellaneous at 50% of assets, up from 45% a quarter earlier, followed by Healthcare and Financials.

  • 683 Capital Management's largest Q4 2025 buy was Kaspi.kz JSC: 265,000 shares worth $20.7M.
  • 683 Capital Management added most to Mereo BioPharma in Q4 2025, an estimated $19.3M increase.
  • 683 Capital Management's biggest Q4 2025 reduction was Western Digital, cutting an estimated $29.7M.
  • 683 Capital Management fully exited Eli Lilly in Q4 2025, selling an estimated $21.8M.
  • 683 Capital Management's ten largest holdings make up 49% of its $2.3B portfolio in Q4 2025.
  • 683 Capital Management opened 116 new positions and closed 21 in Q4 2025.
  • 683 Capital Management's portfolio value rose 20% quarter-over-quarter to $2.3B.

Based on 683 Capital Management's 13F filing for Q4 2025, filed 17 Feb 2026.