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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
+21.35%
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
$2.04B
AUM Growth
+$120M
Cap. Flow
-$149M
Cap. Flow %
-7.33%
Top 10 Hldgs %
47.27%
Holding
257
New
21
Increased
32
Reduced
47
Closed
104

Top Buys

Rank Stock Value
1
U icon
Unity
U
+$16.4M
2
TRAX
First Tracks Biotherapeutics
TRAX
+$14M
3
SE icon
Sea Limited
SE
+$11.9M
4
NU icon
Nu Holdings
NU
+$10.1M
5
GOSS icon
Gossamer Bio
GOSS
+$9.54M

Top Sells

Rank Stock Value
1
ASTH icon
Astrana Health
ASTH
+$17.6M
2
LLY icon
Eli Lilly
LLY
+$15.3M
3
GXO icon
GXO Logistics
GXO
+$14.8M
4
FOLD
Amicus Therapeutics
FOLD
+$11.2M
5
APLS
Apellis Pharmaceuticals
APLS
+$10.1M

Sector Composition

Rank Sector Weight
1 Miscellaneous 48.9%
2 Healthcare 24.5%
3 Financials 7.3%
4 Consumer Discretionary 7.28%
5 Technology 2.97%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
MREO
76
Mereo BioPharma
MREO
$38.7M
$3.74M 0.18%
11,777,856
-222,144
-2% -$66.6K
INSM icon
77
PUT
Insmed
INSM
$28.1B
$3.73M 0.18%
35,000
-25,000
-42% -$3.03M
MICC
78
The Magnum Ice Cream Company N.V.
MICC
$11.6B
$3.5M 0.17%
+201,000
New +$3.13M
INSE icon
79
Inspired Entertainment
INSE
$142M
$3.49M 0.17%
423,580
-624,916
-60% -$4.65M
KYMR icon
80
PUT
Kymera Therapeutics
KYMR
$9.6B
$3.44M 0.17%
+30,000
New +$2.58M
SVM
81
Silvercorp Metals
SVM
$2.78B
$3.37M 0.17%
333,400
-72,600
-18% -$876K
VKTX icon
82
CALL
Viking Therapeutics
VKTX
$3.81B
$3.12M 0.15%
80,000
+20,000
+33% +$646K
ALDX icon
83
Aldeyra Therapeutics
ALDX
$90.5M
$3.09M 0.15%
1,450,000
-50,000
-3% -$86K
CNTB
84
Connect Biopharma Holdings
CNTB
$127M
$3.06M 0.15%
1,285,000
+385,000
+43% +$933K
PAAS icon
85
Pan American Silver
PAAS
$21.9B
$3M 0.15%
67,000
-33,000
-33% -$1.77M
HYLN icon
86
Hyliion Holdings
HYLN
$689M
$3M 0.15%
575,000
-150,000
-21% -$624K
IOVA icon
87
PUT
Iovance Biotherapeutics
IOVA
$3.82B
$2.68M 0.13%
644,300
– –
NVGS icon
88
Navigator Holdings
NVGS
$1.39B
$2.61M 0.13%
140,000
-46,000
-25% -$998K
PRQR icon
89
ProQR Therapeutics
PRQR
$281M
$2.59M 0.13%
+1,393,067
New +$2.29M
LAFA
90
LaFayette Acquisition Corp
LAFA
$160M
$2.52M 0.12%
250,000
– –
COIN icon
91
PUT
Coinbase
COIN
$46.1B
$2.49M 0.12%
17,000
– –
ACGC
92
ACP Holdings Acquisition Corp
ACGC
$2.48M 0.12%
+250,000
New +$2.48M
NVO
93
PUT
Novo Nordisk
NVO
$197B
$2.4M 0.12%
50,000
-100,000
-67% -$4.3M
IMUX icon
94
Immunic
IMUX
$166M
$2.26M 0.11%
147,245
-97,755
-40% -$1.21M
MSTR icon
95
PUT
Strategy Inc
MSTR
$52.7B
$2.17M 0.11%
25,000
-40,200
-62% -$5.84M
IVVD icon
96
Invivyd
IVVD
$235M
$2.17M 0.11%
2,482,543
-32,457
-1% -$40.7K
INSM icon
97
Insmed
INSM
$28.1B
$2.13M 0.1%
+20,000
New +$2.42M
OCTV
98
Octave Intelligence
OCTV
$4.81B
$2.04M 0.1%
+125,000
New +$2.3M
CHEC
99
Chenghe Acquisition III Co
CHEC
$177M
$2.03M 0.1%
200,000
– –
ARCI
100
Archimedes Tech SPAC Partners III
ARCI
$356M
$2M 0.1%
200,000
– –
2 3
4
5 6

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UF
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CP
CenterBook Partners Greenwich, Connecticut $2.04B AUM 35.27% 1-Year Est. Return
WCMNY
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EF
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JCM
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WPC
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683 Capital Management's Q2 2026 Portfolio in Review

As of Q2 2026, 683 Capital Management held 257 positions worth $2.04B, up 6.3% from $1.92B the previous quarter. Its ten largest holdings account for 47% of the portfolio.

683 Capital Management withdrew a net $149M in Q2 2026, closing 104 positions and reducing 47 holdings. Its most notable exit was Eli Lilly, an estimated $15.3M position sold in full.

By sector, the portfolio is most concentrated in Miscellaneous at 49% of assets, up from 47% a quarter earlier, followed by Healthcare and Financials.

Against the trend, 683 Capital Management opened a new position in Unity worth $17.6M.

  • 683 Capital Management's largest Q2 2026 buy was Unity: 615,000 shares worth $17.6M.
  • 683 Capital Management added most to Gossamer Bio in Q2 2026, an estimated $9.54M increase.
  • 683 Capital Management's biggest Q2 2026 reduction was Astrana Health, cutting an estimated $17.6M.
  • 683 Capital Management fully exited Eli Lilly in Q2 2026, selling an estimated $15.3M.
  • 683 Capital Management's ten largest holdings make up 47% of its $2.04B portfolio in Q2 2026.
  • 683 Capital Management opened 21 new positions and closed 104 in Q2 2026.
  • 683 Capital Management's portfolio value rose 6.3% quarter-over-quarter to $2.04B.

Based on 683 Capital Management's 13F filing for Q2 2026, filed 14 Aug 2026.