OLD MISSION CAPITAL LLC — 13F Holdings & Portfolio

CIK 1455915 · latest 13F-HR filed 2026-08-14

OLD MISSION CAPITAL LLC manages $6.31B in 13F-reported U.S. long-equity assets across 1,090 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are SPY (22.78%), QQQ (4.20%), VOO (4.04%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 414 new positions and exited 404; 301 existing positions rose in reported value and 261 fell.

AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.

Loading holdings…
AUM
$6.31B

Long-equity book

Holdings
1,090

Distinct positions

Period
2026-06-30

Filed 2026-08-14

Q/Q Activity
+414 / −404 / ↑301 / ↓261

vs 2026-03-31

Portfolio charts

Latest quarter's book, what changed, and how the portfolio has evolved across filings.

Portfolio map

Q2 26

Box size = position value; colour = change in share count vs the prior quarter (green added, red trimmed, blue new). Rows split across managers or share classes are combined. Click a box for the stock.

Sector mix

% of 13F value

Sectors from each company's SIC code; funds and ETFs grouped separately.

Biggest buys and sells

Q1 26 → Q2 26

Estimated from the change in shares held × the quarter-end price, so price moves alone don't count as buying. New and exited positions are included.

13F assets and positions

4 quarters

Total reported 13F value (bars) and number of positions (line) each quarter. Value changes include market moves.

Top positions over time

reported value

The eight largest current positions, valued at each quarter end.

Concentration

top 10 = 35.1%

Cumulative share of the portfolio held in the largest N positions.

Firm Profile & Key People

As of the firm’s regulatory filing dated Oct 1, 2026.

Assets Under Management
$34.13B
Discretionary
$34.13B
Employees
140
Accounts
4
Address
1 N. DEARBORN ST.
8TH FLOOR
CHICAGO, IL 60602
Phone
(312) 260-3038
This firm reports 1 disclosure item on its registration.
Name Title / Status Ownership Type
GASTON, STEVEN, JOHN ControlCHIEF COMPLIANCE OFFICER
since Jul 2026
Less than 5%Individual
GUZOWSKI, JOSEF, MICHAEL ControlCHIEF EXECUTIVE OFFICER
since Jul 2026
Less than 5%Individual
KEITH, ALLEN, THOMAS ControlCONTROLLER
since Jul 2026
Less than 5%Individual
MARQUEZ AVITIA, ERICA ControlCHIEF OPERATING OFFICER
since Jul 2026
Less than 5%Individual
NICHOLS, PATRICK, JAMES ControlMANAGER
since Jul 2026
Less than 5%Individual
OLD MISSION HOLDINGS LLC ControlMANAGER
since Jul 2026
75% or moreDomestic Entity
RUSSINA, BRYAN, SCOTT ControlCHIEF TECHNOLOGY OFFICER
since Jul 2026
Less than 5%Individual
ZUCEK, FILIP, JAROSLAV ControlHEAD OF LEGAL
since Jul 2026
Less than 5%Individual
GUZOWSKI, JOSEF, MICHAEL Control
Indirect owner via OLD MISSION HOLDINGS LLC
CHIEF EXECUTIVE OFFICER
since Jul 2026
25–50%Individual

Quarter-over-quarter changes

Changes in reported position value vs the prior 13F, so price moves count too, not just shares bought or sold.

Top Adds (vs prior quarter)

Show all 301 →

Top Trims

Show all 261 →

OLD MISSION CAPITAL LLC Holdings (2026-06-30)

Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).

# Issuer Symbol CUSIP Value Weight Shares Type
1 STATE STR SPDR S&P 500 ETF T Call SPY 78462F103 $1.44B 22.78% 20,471,000 SH
2 INVESCO QQQ TR Call QQQ 46090E103 $264.7M 4.20% 3,978,900 SH
3 VANGUARD INDEX FDS VOO 922908363 $254.8M 4.04% 371,024 SH
4 ISHARES INC EWY 464286772 $180.3M 2.86% 893,216 SH
5 ISHARES TR EFA 464287465 $150.3M 2.38% 1,446,895 SH
6 STATE STR SPDR S&P 500 ETF T Put SPY 78462F103 $149.0M 2.36% 29,638,700 SH
7 INVESCO QQQ TR QQQ 46090E103 $145.2M 2.30% 197,145 SH
8 ISHARES TR FXI 464287184 $132.9M 2.11% 4,207,850 SH
9 BLACKROCK ETF TRUST BAI 09290C780 $126.9M 2.01% 2,406,212 SH
10 ISHARES TR IWM 464287655 $104.8M 1.66% 348,840 SH
11 ISHARES TR Call EFA 464287465 $100.1M 1.59% 5,948,400 SH
12 NVIDIA CORPORATION NVDA 67066G104 $98.8M 1.57% 493,718 SH
13 VANGUARD SCOTTSDALE FDS VCIT 92206C870 $96.7M 1.53% 1,169,563 SH
14 TESLA INC TSLA 88160R101 $87.7M 1.39% 208,584 SH
15 STATE STR SPDR S&P 500 ETF T SPY 78462F103 $73.3M 1.16% 98,160 SH
16 VANGUARD INDEX FDS Call VOO 922908363 $69.6M 1.10% 1,489,700 SH
17 ISHARES TR TLT 464287432 $69.0M 1.09% 798,261 SH
18 ISHARES TR Call IWM 464287655 $68.5M 1.09% 2,248,900 SH
19 ISHARES TR AIA 464288430 $55.4M 0.88% 390,826 SH
20 ISHARES TR MCHI 46429B671 $54.7M 0.87% 1,072,451 SH
21 ISHARES INC EWJ 46434G822 $54.3M 0.86% 581,907 SH
22 VANGUARD INDEX FDS Put VOO 922908363 $51.5M 0.82% 4,538,000 SH
23 ISHARES TR Call EEM 464287234 $46.3M 0.73% 6,361,300 SH
24 INVESCO QQQ TR Put QQQ 46090E103 $40.8M 0.65% 4,291,500 SH
25 DIMENSIONAL ETF TRUST DFEM 25434V732 $38.5M 0.61% 947,716 SH
26 VANECK ETF TRUST Call SMH 92189F676 $37.3M 0.59% 191,800 SH
27 GLOBAL X FDS AIQ 37954Y632 $36.5M 0.58% 557,077 SH
28 J P MORGAN EXCHANGE TRADED F JIRE 46641Q134 $35.2M 0.56% 426,403 SH
29 INVESCO EXCH TRADED FD TR II CQQQ 46138E800 $27.7M 0.44% 485,263 SH
30 NOVO-NORDISK A S NVO 670100205 $26.3M 0.42% 548,297 SH
31 FIRST TR EXCHANGE-TRADED FD GRID 33737A108 $25.8M 0.41% 134,553 SH
32 GSK PLC GSK 37733W204 $23.9M 0.38% 455,346 SH
33 ISHARES TR LQD 464287242 $23.5M 0.37% 215,629 SH
34 SPDR INDEX SHS FDS EDIV 78463X533 $23.3M 0.37% 567,745 SH
35 VANECK ETF TRUST SMH 92189F676 $23.2M 0.37% 35,349 SH
36 PIMCO ETF TR BOND 72201R775 $22.0M 0.35% 238,153 SH
37 INFOSYS LTD INFY 456788108 $21.8M 0.35% 2,080,325 SH
38 WISDOMTREE TR DGS 97717W281 $21.5M 0.34% 332,421 SH
39 ISHARES TR KSA 46434V423 $21.1M 0.34% 566,394 SH
40 WISDOMTREE TR EPI 97717W422 $20.5M 0.32% 478,623 SH
41 AMERICAN CENTY ETF TR AVDV 025072802 $20.2M 0.32% 196,010 SH
42 VANECK ETF TRUST EMLC 92189H300 $19.9M 0.32% 779,222 SH
43 RIO TINTO PLC RIO 767204100 $19.8M 0.31% 208,104 SH
44 ISHARES TR Put TLT 464287432 $19.6M 0.31% 13,505,300 SH
45 INVESCO EXCH TRADED FD TR II PXH 46138E727 $18.0M 0.29% 647,334 SH
46 ISHARES TR ICLN 464288224 $17.9M 0.28% 871,310 SH
47 GLOBAL X FDS COPX 37954Y830 $17.7M 0.28% 230,475 SH
48 VANGUARD TAX-MANAGED FDS VEA 921943858 $17.7M 0.28% 247,963 SH
49 SPDR SERIES TRUST SPHY 78468R606 $17.3M 0.27% 737,048 SH
50 SPDR INDEX SHS FDS SPEM 78463X509 $16.7M 0.26% 321,979 SH
Filing History
Period Filed AUM Holdings Accession
2026-06-30 2026-08-14 $6.31B 1,090 0001455915-26-000009
2026-03-31 2026-05-15 $6.30B 1,062 0001455915-26-000008
2025-12-31 2026-02-17 $4.37B 1,004 0001455915-26-000006
2025-09-30 2025-11-14 $5.01B 1,030 0001455915-25-000006
Filer Information
Address
1 N. DEARBORN ST.
8TH FLOOR
CHICAGO, IL 60602
Phone
(312) 260-3052
Filing Manager
OLD MISSION CAPITAL LLC
CHICAGO, IL
Signatory
Patrick Nichols
Manager