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PEAK6

PEAK6 Portfolio holdings

AUM $42.6B
1-Year Est. Return 66.3%
This Fund
S&P 500
This Quarter Est. Return
-3.54%
1 Year Est. Return
+66.3%
3 Year Est. Return
–
5 Year Est. Return
–
10 Year Est. Return
–
AUM
$53.8B
AUM Growth
-$14.5B
Cap. Flow
-$14.1B
Cap. Flow %
-26.26%
Top 10 Hldgs %
21.19%
Holding
3,487
New
618
Increased
781
Reduced
1,183
Closed
729

Top Buys

Rank Stock Value
1
CRWV
CoreWeave
CRWV
+$378M
2
COIN icon
Coinbase
COIN
+$108M
3
MU icon
Micron Technology
MU
+$70.9M
4
SLV icon
iShares Silver Trust
SLV
+$67.4M
5
PDD icon
Pinduoduo
PDD
+$50.8M

Top Sells

Rank Stock Value
1
GS icon
Goldman Sachs
GS
+$130M
2
QQQ icon
Invesco QQQ Trust
QQQ
+$108M
3
TSLA icon
Tesla
TSLA
+$101M
4
META icon
Meta Platforms (Facebook)
META
+$81.5M
5
AVGO icon
Broadcom
AVGO
+$76.2M

Sector Composition

Rank Sector Weight
1 Technology 2.78%
2 Financials 0.91%
3 Consumer Discretionary 0.85%
4 Industrials 0.54%
5 Communication Services 0.38%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
ONTO icon
3226
CALL
Onto Innovation
ONTO
$13.6B
– –
-18,900
Closed -$2.44M
ONTO icon
3227
Onto Innovation
ONTO
$13.6B
– –
-550
Closed -$71.1K
ONTO icon
3228
PUT
Onto Innovation
ONTO
$13.6B
– –
-3,000
Closed -$388K
OPEN icon
3229
PUT
Opendoor
OPEN
$3.69B
– –
-484,013
Closed -$3.73M
OPRX icon
3230
CALL
OptimizeRx
OPRX
$117M
– –
-11,800
Closed -$242K
OR icon
3231
CALL
OR Royalties Inc
OR
$5.47B
– –
-37,400
Closed -$1.5M
ORA icon
3232
Ormat Technologies
ORA
$6.11B
– –
-28,857
Closed -$3.16M
ORLY icon
3233
CALL
O'Reilly Automotive
ORLY
$72.4B
– –
-1,400
Closed -$151K
ORLY icon
3234
O'Reilly Automotive
ORLY
$72.4B
– –
-23,390
Closed -$2.29M
OSCR icon
3235
Oscar Health
OSCR
$8.5B
– –
-183,715
Closed -$3.18M
OSIS icon
3236
CALL
OSI Systems
OSIS
$3.57B
– –
-26,200
Closed -$6.53M
OTIS icon
3237
Otis Worldwide
OTIS
$27.4B
– –
-594
Closed -$54.3K
OTIS icon
3238
PUT
Otis Worldwide
OTIS
$27.4B
– –
-26,900
Closed -$2.46M
OUST icon
3239
PUT
Ouster
OUST
$2.29B
– –
-3,200
Closed -$86.6K
OVV icon
3240
Ovintiv
OVV
$17.5B
– –
-14,588
Closed -$566K
PAA icon
3241
Plains All American Pipeline
PAA
$17.4B
– –
-105,289
Closed -$1.79M
PACB icon
3242
Pacific Biosciences
PACB
$422M
– –
-890,598
Closed -$1.71M
PAGP icon
3243
Plains GP Holdings
PAGP
$5.23B
– –
-3,783
Closed -$68.2K
PAR icon
3244
CALL
PAR Technology
PAR
$637M
– –
-65,000
Closed -$2.57M
PARR icon
3245
CALL
Par Pacific Holdings
PARR
$3.88B
– –
-20,800
Closed -$737K
PARR icon
3246
Par Pacific Holdings
PARR
$3.88B
– –
-27,744
Closed -$983K
PATK icon
3247
CALL
Patrick Industries
PATK
$2.8B
– –
-30,000
Closed -$3.1M
PAYX icon
3248
Paychex
PAYX
$40.4B
– –
-46,553
Closed -$5.45M
PAYX icon
3249
PUT
Paychex
PAYX
$40.4B
– –
-94,500
Closed -$12M
PBF icon
3250
CALL
PBF Energy
PBF
$7.29B
– –
-110,300
Closed -$3.33M
128 129
130
131 132

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State of Wisconsin Investment Board
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DB
Danske Bank Copenhagen K, Denmark $41.5B AUM 29.19% 1-Year Est. Return
Holocene Advisors
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WCM Investment Management
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AS
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CIBC Asset Management
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Newport Trust Company
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PEAK6's Q4 2025 Portfolio in Review

As of Q4 2025, PEAK6 held 3,487 positions worth $53.8B, down 21% from $68.3B the previous quarter. Its ten largest holdings account for 21% of the portfolio.

PEAK6 withdrew a net $14.1B in Q4 2025, closing 729 positions and reducing 1,183 holdings. Its most notable exit was Marvell Technology, an estimated $36.3M position sold in full.

By sector, the portfolio is most concentrated in Technology at 2.8% of assets, up from 2.4% a quarter earlier, followed by Financials and Consumer Discretionary.

Against the trend, PEAK6 opened a new position in Micron Technology worth $88.2M.

  • PEAK6's largest Q4 2025 buy was Micron Technology: 309,188 shares worth $88.2M.
  • PEAK6 added most to CoreWeave in Q4 2025, an estimated $378M increase.
  • PEAK6's biggest Q4 2025 reduction was Goldman Sachs, cutting an estimated $130M.
  • PEAK6 fully exited Marvell Technology in Q4 2025, selling an estimated $36.3M.
  • PEAK6's ten largest holdings make up 21% of its $53.8B portfolio in Q4 2025.
  • PEAK6 opened 618 new positions and closed 729 in Q4 2025.
  • PEAK6's portfolio value fell 21% quarter-over-quarter to $53.8B.

Based on PEAK6's 13F filing for Q4 2025, filed 13 Feb 2026.