Converium Capital Inc. — 13F Holdings & Portfolio
CIK 2043653 · latest 13F-HR filed 2026-08-14
Converium Capital Inc. manages $782.8M in 13F-reported U.S. long-equity assets across 44 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are SPY (21.75%), IWM (19.92%), XRT (5.72%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 11 new positions and exited 1; 8 existing positions rose in reported value and 4 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.
Long-equity book
Distinct positions
Filed 2026-08-14
vs 2026-03-31
Portfolio charts
Latest quarter's book, what changed, and how the portfolio has evolved across filings.
Portfolio map
Q2 26Box 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 valueSectors from each company's SIC code; funds and ETFs grouped separately.
Biggest buys and sells
Q1 26 → Q2 26Estimated 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
3 quartersTotal reported 13F value (bars) and number of positions (line) each quarter. Value changes include market moves.
Top positions over time
reported valueThe eight largest current positions, valued at each quarter end.
Concentration
top 10 = 81.9%Cumulative share of the portfolio held in the largest N positions.
As of the firm’s regulatory filing dated Mar 30, 2026.
SUITE 4030
MONTREAL, QUEBEC H3B 4W8
Canada
| Name | Title / Status | Ownership | Type |
|---|---|---|---|
| AAJ WEST END LLC Control | SHAREHOLDER since Feb 2021 | 10–25% | Domestic Entity |
| CRELINSTEN, JASON, CHARLES Control | CHIEF OPERATING OFFICER, GENERAL COUNSEL AND CHIEF COMPLIANCE OFFICER since Sep 2020 | Less than 5% | Individual |
| EDUB HOLDINGS INC. Control | SHAREHOLDER since Sep 2020 | 10–25% | Foreign Entity |
| RUDA, ELLIOT Control | PARTNER AND HEAD OF TRADING since Oct 2020 | Less than 5% | Individual |
| Rapps, Michael, Barry Control | MANAGING PARTNER AND HEAD OF ENGAGEMENT STRATEGIES since Sep 2020 | Less than 5% | Individual |
| SEDIA, ANDREW, CARMINE Control | CHIEF FINANCIAL OFFICER since Jan 2023 | Less than 5% | Individual |
| STERN, AARON, JASON Control | MANAGING PARTNER AND CHIEF INVESTMENT OFFICER since Sep 2020 | Less than 5% | Individual |
| THIRTYSEVEN HOLDINGS INC. Control | SHAREHOLDER since Feb 2021 | 50–75% | Foreign Entity |
| RUDA, ELLIOT Control Indirect owner via AAJ WEST END LLC | MANAGING MEMBER since Nov 2020 | 75% or more | Individual |
| Rapps, Michael, Barry Control Indirect owner via EDUB HOLDINGS INC. | SHAREHOLDER since Sep 2014 | 75% or more | Individual |
| STERN, AARON, JASON Control Indirect owner via THIRTYSEVEN HOLDINGS INC. | SHAREHOLDER since Jul 2020 | 75% or more | Individual |
Ownership & leadership changes · 2 filings with changes since Feb 15, 2021
From the firm’s regulatory filings, newest first. Dates are filing dates: a filing that no longer lists someone does not say when they left.
- AddedSEDIA, ANDREW, CARMINE · CHIEF FINANCIAL OFFICER · Less than 5% · control person
- No longer listedMartian, Darren · CHIEF FINANCIAL OFFICER · Less than 5% · control person · listed since Sep 2020
- ListedAAJ WEST END LLC · SHAREHOLDER · 10–25% · control person
- ListedCRELINSTEN, JASON, CHARLES · CHIEF OPERATING OFFICER, GENERAL COUNSEL AND CHIEF COMPLIANCE OFFICER · Less than 5% · control person
- ListedEDUB HOLDINGS INC. · SHAREHOLDER · 10–25% · control person
- ListedMartian, Darren · CHIEF FINANCIAL OFFICER · Less than 5% · control person
- ListedRUDA, ELLIOT · PARTNER AND HEAD OF TRADING · Less than 5% · control person
- ListedRUDA, ELLIOT · MANAGING MEMBER · 75% or more · indirect via AAJ WEST END LLC · control person
- ListedRapps, Michael, Barry · MANAGING PARTNER AND HEAD OF ENGAGEMENT STRATEGIES · Less than 5% · control person
- ListedRapps, Michael, Barry · SHAREHOLDER · 75% or more · indirect via EDUB HOLDINGS INC. · control person
- ListedSTERN, AARON, JASON · MANAGING PARTNER AND CHIEF INVESTMENT OFFICER · Less than 5% · control person
- ListedSTERN, AARON, JASON · SHAREHOLDER · 75% or more · indirect via THIRTYSEVEN HOLDINGS INC. · control person
- ListedTHIRTYSEVEN HOLDINGS INC. · SHAREHOLDER · 50–75% · control person
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)
- GLOBAL PMTS INC$13.7M +154.8%
- PG&E CORP$10.9M +42.2%
- DELEK US HLDGS INC NEW$7.7M +77.9%
- TRIPADVISOR INC$5.4M +47.1%
- SHIFT4 PMTS INC$4.1M +20.3%
Top Trims
- SINCLAIR INC-$2.8M -20.1%
- FRANKLIN STR PPTYS CORP-$988.0K -22.5%
- TRONOX HOLDINGS PLC-$442.0K -22.6%
- O-I GLASS INC-$198.0K -8.4%
New Positions
- DOORDASH INC$18.2M
- ZIFF DAVIS INC$13.1M
- RUBRIK INC.$11.3M
- PEOPLE INC$6.6M
- WENDYS CO$4.1M
Converium Capital Inc. 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 Put | SPY | 78462F103 | $170.3M | 21.75% | 228,000 | SH |
| 2 | ISHARES TR Put | IWM | 464287655 | $155.9M | 19.92% | 519,000 | SH |
| 3 | SPDR SERIES TRUST Put | XRT | 78464A714 | $44.7M | 5.72% | 510,000 | SH |
| 4 | PG&E CORP | PCG | 69331CAL2 | $36.8M | 4.71% | 36,000,000 | PRN |
| 5 | SHIFT4 PMTS INC | FOUR | 82452JAD1 | $24.4M | 3.11% | 25,500,000 | PRN |
| 6 | DAUCH CORP | DCH | 024061103 | $22.5M | 2.88% | 4,159,556 | SH |
| 7 | GLOBAL PMTS INC | GPN | 37940XAU6 | $22.5M | 2.87% | 25,000,000 | PRN |
| 8 | DAUCH CORP Call | DCH | 024061103 | $21.7M | 2.77% | 4,000,000 | SH |
| 9 | KOSMOS ENERGY LTD | KOS | 500688AH9 | $21.4M | 2.74% | 28,300,000 | PRN |
| 10 | DOORDASH INC | DASH | 25809KAB1 | $18.2M | 2.33% | 18,500,000 | PRN |
| 11 | VALE S A Call | VALE | 91912E105 | $18.0M | 2.31% | 1,200,000 | SH |
| 12 | DELEK US HLDGS INC NEW | DK | 24665A103 | $17.5M | 2.24% | 345,043 | SH |
| 13 | TRIPADVISOR INC | TRIP | 896945201 | $16.9M | 2.15% | 1,229,142 | SH |
| 14 | KIMBERLY-CLARK CORP Call | KMB | 494368103 | $13.2M | 1.68% | 120,000 | SH |
| 15 | NRG ENERGY INC Call | NRG | 629377508 | $13.1M | 1.68% | 90,000 | SH |
| 16 | ZIFF DAVIS INC | ZD | 48123V102 | $13.1M | 1.67% | 250,000 | SH |
| 17 | ALIBABA GROUP HLDG LTD Call | BABA | 01609W102 | $13.0M | 1.66% | 135,000 | SH |
| 18 | RUBRIK INC. | RBRK | 781154AD1 | $11.3M | 1.44% | 11,000,000 | PRN |
| 19 | SINCLAIR INC | SBGI | 829242106 | $11.0M | 1.40% | 770,615 | SH |
| 20 | ISHARES TR Call | ITB | 464288752 | $10.4M | 1.33% | 100,000 | SH |
| 21 | NEWMONT CORP Call | NEM | 651639106 | $9.3M | 1.19% | 100,000 | SH |
| 22 | MOODYS CORP Put | MCO | 615369105 | $9.1M | 1.16% | 20,000 | SH |
| 23 | CAE INC Call | CAE | 124765108 | $8.8M | 1.12% | 350,000 | SH |
| 24 | FREEPORT MCMORAN INC Call | FCX | 35671D857 | $8.2M | 1.04% | 130,000 | SH |
| 25 | XEROX HOLDINGS CORP | XRXDW | 98421MAE6 | $7.6M | 0.97% | 21,300,000 | PRN |
| 26 | BARRICK MNG CORP Call | B | 06849F108 | $7.2M | 0.92% | 195,000 | SH |
| 27 | PEOPLE INC | PPLI | 44891N208 | $6.6M | 0.84% | 142,000 | SH |
| 28 | ROCKET LAB CORP Put | RKLB | 773121108 | $6.1M | 0.78% | 60,000 | SH |
| 29 | SHIFT4 PMTS INC Call | FOUR | 82452J109 | $6.1M | 0.78% | 125,000 | SH |
| 30 | LKQ CORP Call | LKQ | 501889208 | $5.3M | 0.67% | 200,000 | SH |
| 31 | VIATRIS INC Call | VTRS | 92556V106 | $5.2M | 0.67% | 330,000 | SH |
| 32 | WENDYS CO | WEN | 95058W100 | $4.1M | 0.53% | 500,000 | SH |
| 33 | FLUOR CORP Call | FLR | 343412102 | $3.9M | 0.50% | 75,000 | SH |
| 34 | FRANKLIN STR PPTYS CORP | FSP | 35471R106 | $3.4M | 0.43% | 6,608,478 | SH |
| 35 | SIBANYE STILLWATER LTD Call | SBSW | 82575P107 | $3.4M | 0.43% | 400,000 | SH |
| 36 | ZOOMINFO TECHNOLOGIES INC | GTM | 98980F104 | $3.2M | 0.41% | 1,084,600 | SH |
| 37 | O-I GLASS INC | OI | 67098H104 | $2.2M | 0.28% | 225,000 | SH |
| 38 | XEROX HOLDINGS CORP | XRX | 98421M106 | $1.8M | 0.23% | 575,000 | SH |
| 39 | TRONOX HOLDINGS PLC | TROX | G9087Q102 | $1.5M | 0.19% | 240,000 | SH |
| 40 | CHARTER COMMUNICATIONS INC | CHTR | 16119P108 | $1.4M | 0.18% | 10,000 | SH |
| 41 | SABLE OFFSHORE CORP | SOC | 78574H104 | $1.3M | 0.17% | 425,000 | SH |
| 42 | OPTIMUM COMMUNICATIONS INC | OPTU | 02156K103 | $842.9K | 0.11% | 581,302 | SH |
| 43 | VIVID SEATS INC | SEAT | 92854T209 | $158.1K | 0.02% | 24,245 | SH |
| 44 | XEROX HOLDINGS CORP | XRXDW | 98421M114 | $140.8K | 0.02% | 511,097 | SH |
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2026-06-30 | 2026-08-14 | $782.8M | 44 | 0001012975-26-000765 |
| 2026-03-31 | 2026-05-22 | $174.8M | 36 | 0001012975-26-000477 |
| 2026-03-31 | 2026-08-11 | $586.5M | 36 | 0001012975-26-000751 |
| 2025-12-31 | 2026-05-22 | $127.1M | 33 | 0001012975-26-000476 |
| 2025-12-31 | 2026-08-11 | $614.4M | 33 | 0001012975-26-000750 |
SUITE 4030
MONTREAL H3B 4W8