Optiver Holding Portfolio holdings
Optiver Holding B.V., founded in 1986 by Johann Kaemingk, Ruud Vlek, and Chris Oomen in Amsterdam, Netherlands, is a leading global proprietary trading firm and market maker specializing in options, derivatives, equities, ETFs, bonds, and foreign exchange. Starting as an options market maker on the European Options Exchange (now Euronext), Optiver has grown into a tech-driven powerhouse with over 2,000 employees across offices in Chicago, Sydney, London, Singapore, and beyond, trading on more than 50 exchanges worldwide. Known for its advanced algorithms and low-latency systems, the firm provides liquidity and competitive pricing, emphasizing market efficiency and stability, though it faced a $14 million fine in 2012 for illegal "banging the close" tactics in U.S. oil futures. Privately owned and led by CEO Rob Defares, Optiver blends a collaborative culture with cutting-edge technology, making it a significant player in the global financial ecosystem.
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
Oracle
ORCL
|
+$295M |
| 2 |
TSMC
TSM
|
+$248M |
| 3 |
iShares MSCI Brazil ETF
EWZ
|
+$231M |
| 4 |
Meta Platforms (Facebook)
META
|
+$169M |
| 5 |
Palantir
PLTR
|
+$131M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
State Street SPDR S&P 500 ETF Trust
SPY
|
+$1.12B |
| 2 |
Amazon
AMZN
|
+$502M |
| 3 |
Advanced Micro Devices
AMD
|
+$310M |
| 4 |
Microsoft
MSFT
|
+$215M |
| 5 |
Alphabet (Google) Class A
GOOGL
|
+$165M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 0.66% |
| 2 | Communication Services | 0.18% |
| 3 | Consumer Discretionary | 0.16% |
| 4 | Financials | 0.14% |
| 5 | Healthcare | 0.05% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | |
|---|---|---|---|---|---|---|
|
PSTL
1701
Postal Realty Trust
PSTL
$700M
| $3.26K | ﹤0.01% |
202
| – | – |
|
1702
Celldex Therapeutics
CLDX
$2.83B
| $3.26K | ﹤0.01% |
120
-144
| -55% | -$3.79K |
|
1703
Teck Resources
TECK
$28.1B
| $3.26K | ﹤0.01% |
68
+67
| +6,700% | +$2.9K |
|
1704
Horizon Bancorp
HBNC
$1.07B
| $3.26K | ﹤0.01% |
192
+168
| +700% | +$2.78K |
|
1705
Regional Management Corp
RM
$391M
| $3.25K | ﹤0.01% |
84
| – | – |
|
1706
Willis Lease Finance
WLFC
$1.63B
| $3.25K | ﹤0.01% |
72
| – | – |
|
1707
Oil States International
OIS
$460M
| $3.25K | ﹤0.01% |
480
-56
| -10% | -$360 |
|
1708
RCI Hospitality Holdings
RICK
$201M
| $3.24K | ﹤0.01% |
136
| – | – |
|
|
UDMY
1709
DELISTED
Udemy
UDMY
| $3.23K | ﹤0.01% |
552
| – | – |
|
1710
Lands' End
LE
$381M
| $3.22K | ﹤0.01% |
222
| – | – |
|
|
SFIX
1711
Stitch Fix
SFIX
$562M
| $3.22K | ﹤0.01% |
613
-81
| -12% | -$370 |
|
1712
Malibu Boats
MBUU
$548M
| $3.22K | ﹤0.01% |
114
| – | – |
|
1713
Pure Cycle
PCYO
$257M
| $3.21K | ﹤0.01% |
292
| – | – |
|
1714
Nelnet
NNI
$4.93B
| $3.19K | ﹤0.01% |
24
-66
| -73% | -$8.63K |
|
1715
Aura Biosciences
AURA
$715M
| $3.18K | ﹤0.01% |
+584
| New | +$3.47K |
|
1716
ZipRecruiter
ZIP
$342M
| $3.18K | ﹤0.01% |
816
| – | – |
|
1717
Magnite
MGNI
$2.84B
| $3.18K | ﹤0.01% |
196
-228
| -54% | -$3.78K |
|
|
BHR
1718
Braemar Hotels & Resorts
BHR
$165M
| $3.18K | ﹤0.01% |
1,108
| – | – |
|
1719
QCR Holdings
QCRH
$1.7B
| $3.17K | ﹤0.01% |
38
-90
| -70% | -$7.08K |
|
1720
Dorian LPG
LPG
$1.94B
| $3.16K | ﹤0.01% |
130
-18
| -12% | -$472 |
|
1721
Ironwood Pharmaceuticals
IRWD
$596M
| $3.16K | ﹤0.01% |
938
-1,224
| -57% | -$3.18K |
|
1722
Camping World
CWH
$380M
| $3.14K | ﹤0.01% |
323
-2
| -0.6% | -$25 |
|
1723
Arteris
AIP
$1.25B
| $3.13K | ﹤0.01% |
202
-300
| -60% | -$4.35K |
|
1724
Oak Valley Bancorp
OVLY
$288M
| $3.13K | ﹤0.01% |
104
| – | – |
|
1725
Real Brokerage
REAX
$353M
| $3.12K | ﹤0.01% |
856
| – | – |
|
Similar funds
Optiver Holding's Q4 2025 Portfolio in Review
As of Q4 2025, Optiver Holding held 3,112 positions worth $269B, up 7.3% from $251B the previous quarter. Its ten largest holdings account for 71% of the portfolio.
Optiver Holding deployed $10.6B of net new capital in Q4 2025, opening 446 new positions and adding to 524 existing holdings. Its largest new stake was Palantir: 723,942 shares worth $129M.
By sector, the portfolio is most concentrated in Technology at 0.66% of assets, up from 0.59% a quarter earlier, followed by Communication Services and Consumer Discretionary.
On the sell side, the largest reduction was State Street SPDR S&P 500 ETF Trust, an estimated $1.12B trimmed.
- Optiver Holding's largest Q4 2025 buy was Palantir: 723,942 shares worth $129M.
- Optiver Holding added most to Oracle in Q4 2025, an estimated $295M increase.
- Optiver Holding's biggest Q4 2025 reduction was State Street SPDR S&P 500 ETF Trust, cutting an estimated $1.12B.
- Optiver Holding fully exited Rio Tinto in Q4 2025, selling an estimated $48.2M.
- Optiver Holding's ten largest holdings make up 71% of its $269B portfolio in Q4 2025.
- Optiver Holding opened 446 new positions and closed 673 in Q4 2025.
- Optiver Holding's portfolio value rose 7.3% quarter-over-quarter to $269B.
Based on Optiver Holding's 13F filing for Q4 2025, filed 17 Feb 2026.