Arkolith/Funds/One Fin Capital Management LP

One Fin Capital Management LP

CIK 1753875
Holdings as of Jun 30, 2026·disclosed Aug 14, 2026·~45-day 13F lag·13F-HR
Active Filer

One Fin Capital Management LP holds a focused book of 22 reported positions worth $285.8M as of Q2 2026 (disclosed Aug 14, 2026, a ~45-day 13F lag). This quarter Honeywell Aerospace Inc first appears in 13F filings, a listing rather than a purchase; they opened Qiagen N.V. and trimmed Warner Bros Discovery Inc. Their largest long position is Nextpower Inc-CL A at 13% of the reported non-option book. They also disclosed $24.0M in put options (a bearish bet), shown separately below and excluded from the non-option book. Cloning the disclosed picks since 2025 would be +21% (+19.4%/yr). That is a simulation of the disclosed long book, not audited returns.

Opened
9
bought for the first time
+6 more · largest first
1 newly reportable · first quarter we see the security in 13F filings, a listing not a purchase
Sold out
7
exited the position entirely
+4 more · largest first, by prior value

Growth of $10,000: cloning the disclosed book

If you'd copied them
+21.1%
+19.4%/yr · since Aug '25
Their reported book
+5.4%
held from quarter-end
S&P 500
+19.5%
same window
$10K$11K$12K$14K$15KAug '25Oct '25Jan '26Apr '26Jun '26Sep '26
One Fin Capital Management LP (copied at disclosure) S&P 500

Following at the filing date actually beat the quarter-end book by 15.8 points over this window.

Growth of $10,000 cloning One Fin Capital Management LP's disclosed long 13F book, rebalanced on each filing date (so it reflects each quarter's actual reporting lag, ~45 days for the latest filing, with no look-ahead), total-return basis (dividends reinvested), derived from end-of-day prices. “Their reported book” values the same picks from quarter-end, before they were public. S&P 500 is SPY total return over the same window. Excludes shorts, cash, options and non-13F holdings. Not investment advice.

How much sits in the biggest positions

Top-heavy: focused book

Top 5 holdings
38%
Top 10 holdings
63%
Top 20 holdings
98%

Share of the disclosed book in its largest positions. A higher top-5 share means a more concentrated, higher-conviction portfolio.

Where the money is, by sector

100% mapped to company sectors

Information Technology
23%
Consumer Discretionary
18%
Industrials
15%
Health Care
13%
Financials
8%
Materials
8%
Utilities
7%
Communication Services
6%

+1 sector below the cut, 2% together

Direct operating-company sectors from our SIC-based security master. ETF/fund and unclassified holdings stay visible separately; this is not ETF look-through exposure.

Biggest moves: latest quarter

Estimated $ traded · quarter-end prices (an exit at the prior quarter-end), no cost basis

Bought
Trimmed / exited
Newly reportable· first quarter we see the security in 13F filings · position value, not a trade

Funds with the most overlap

Other tracked managers holding the same core names as One Fin Capital Management LP

Manager / fundShared namesTheir $ in those
Marble Bar Asset Management LLP3 / 22$49.4M
Caledonia (Private) Investments Pty Ltd2 / 22$805.7M
Kryger Capital LLC3 / 22$353.7M
Ancient Art, L.P.2 / 22$91.7M
Sand Grove Capital Management LLP2 / 22$70.5M
Birnam Oak Advisors, LP2 / 22$111.1M
Cobalt Capital Management, Inc.3 / 22$23.5M
Pennant Investors, LP2 / 22$55.0M

Ranked by the share of each fund's own book sitting in the names it shares with One Fin Capital Management LP: only funds sharing at least a tenth of the book qualify. Index giants, bank custody books and market makers are excluded. They hold everything, so their overlap says nothing.

Holdings: largest first

Bars show each position's share of the portfolio. Click a row for its position history.

22 positions
#SecurityValueShares% PortLast moveHistory
1Nextpower Inc
CLASS A COM
$35.7M300.0K
12.5%
Held
2Driven Brands Hldgs Inc
COM
$24.4M1.75M
8.5%
+250%
Added · +1.3M sh
3Solstice Advanced Matls Inc
COM SHS
$16.8M190.0K
5.9%
Held
4Warner Bros Discovery Inc
COM SER A
$16.7M625.0K
5.8%
−18%
Reduced · −135K sh
5Cerence Inc
COM
$16.2M1.43M
5.7%
+10.0%
Added · +130K sh
6Qiagen NV
ORD SHARES
$15.6M400.0K
5.5%
New
New position
7Norfolk Southn Corp
COM
$14.9M47.5K
5.2%
−41%
Reduced · −33K sh
8Unitedhealth Group Inc
COM
$13.7M33.0K
4.8%
Held
9Yeti Hldgs Inc
COM
$13.2M267.1K
4.6%
Held
10Versigent PLC
ORDINARY SHARES
$12.8M305.0K
4.5%
New
New position
11Pinterest Inc
CL A
$12.4M590.0K
4.3%
Held
12Columbia Finl Inc
COM
$12.3M580.0K
4.3%
New
New position
13Rocket Cos Inc
COM CL A
$11.7M740.0K
4.1%
−38%
Reduced · −460K sh
14NRG Energy Inc
COM NEW
$11.2M77.0K
3.9%
New
New position
15Honeywell Intl Inc
COM
$10.4M46.5K
3.6%
New
New position
16Honeywell Aerospace Inc
COM
$10.3M46.5K
3.6%
Listed
Newly reportable
17Enviri Corp
COM
$10.0M455.6K
3.5%
New
New position
18Perceptive Cap Solutions Cor
CL A ORD SHS
$9.2M843.5K
3.2%
Held
19Primo Brands Corporation
CLASS A COM SHS
$6.7M275.0K
2.4%
+83%
Added · +125K sh
20Capri Holdings Limited
SHS
$5.2M280.0K
1.8%
New
New position
21Accenture PLC Ireland
SHS CLASS A
$4.6M37.0K
1.6%
New
New position
22Zillow Group Inc
CL C CAP STK
$1.6M50.0K
0.6%
New
New position
Showing all 22 positions
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Largest options & derivatives disclosed

Put / call positions from the 13F — totals include every disclosed option leg

Put notional (bearish)$24.0M
TypeUnderlyingNotional valueUnderlying shares
PUT · bearishNVIDIA CORPNVDA$24.0M120K

13F filers disclose option positions at the market value of the underlying the contracts reference, not the premium paid. A put is a bearish bet (it gains if the stock falls); a call is bullish. “Underlying shares” is the share count the contracts control, not a share holding. These legs are excluded from the non-option book, weighting, concentration and sector figures above.

Filing history

As-of date vs the date the SEC received each filing

$309.8M · Q2 2026Q2 2025 · $295.8MQ2 2026 · $309.8M

Reported 13F total per quarter. Raw filing totals can include option notional.

QuarterAs ofFiledLagPositionsValueForm
Q2 2026Jun 30, 2026Aug 14, 202645d23$309.8M13F-HR
Q1 2026Mar 31, 2026May 15, 202645d20$280.3M13F-HR
Q4 2025Dec 31, 2025Feb 17, 202648d19$308.8M13F-HR
Q3 2025Sep 30, 2025Nov 14, 202545d20$304.1M13F-HR
Q2 2025Jun 30, 2025Aug 14, 202545d18$295.8M13F-HR

Data source

Holdings from SEC EDGAR 13F-HR filings, updated quarterly, filed up to 45 days after quarter-end. Public domain. Book totals and portfolio weights cover reported non-option positions, which can include notes and warrants. Disclosed put/call options are listed separately and excluded from those totals. The performance line is a simulation of the disclosed long book, not an audited return.