undamentalytics Newsletter

Hedge fund

Linden Advisors LP

13F for the quarter to June 30, 2026, filed August 14, 2026 · SEC CIK 1279396

Reported value
$2.3bn
12% in companies we cover
Positions we cover
29
Largest GOOGL 4.8%
Copy, a year
+2.1%
S&P 500 +14.1%
Copy Sharpe ratio
0.20
S&P 500 0.78

How copying its 13F would have done

$5.0k$10.0k$20.0k$40.0k 2013201520172019202120232025 $57.0k$13.2k
CopyS&P 500 $10,000 copying Linden Advisors LP's filed holdings in companies we cover from August 16, 2013, buying on the first trading day after each 13F was filed and holding until the next, against the S&P 500 (total return). Marked weekly, log scale. Before costs and taxes; misses trading within each quarter and anything 13F does not show (shorts, cash, bonds, non-US holdings).

Biggest drop −71.9% (S&P 500 −31.8%); beta 1.23; alpha −7.5% a year (t = −0.79); last 12 months −15.3% against +12.1%.

Reported value by quarter

Linden Advisors LP: 13F reported value Total value of all positions in each quarter's 13F, as filed (values before 2023 were filed in thousands of dollars and are converted).
$0 $500B $1T Reported value, 2013-06-30: $118.8M Reported value, 2013-09-30: $138.1M Reported value, 2013-12-31: $165.7M Reported value, 2014-03-31: $108.6M Reported value, 2014-06-30: $108.9M Reported value, 2014-09-30: $133.9M Reported value, 2014-12-31: $152.8M Reported value, 2015-03-31: $130.6M Reported value, 2015-06-30: $168M Reported value, 2015-09-30: $149.3M Reported value, 2015-12-31: $145.6M Reported value, 2016-03-31: $168.6M Reported value, 2016-06-30: $198.3M Reported value, 2016-09-30: $188.6M Reported value, 2016-12-31: $181.2M Reported value, 2017-03-31: $169.5M Reported value, 2017-06-30: $97.3M Reported value, 2017-09-30: $140.9M Reported value, 2017-12-31: $229.5M Reported value, 2018-03-31: $396.6M Reported value, 2018-06-30: $172.4M Reported value, 2018-09-30: $178.1M Reported value, 2018-12-31: $537.1M Reported value, 2019-03-31: $530M Reported value, 2019-06-30: $501.6M Reported value, 2019-09-30: $601.7M Reported value, 2019-12-31: $842.7M Reported value, 2020-03-31: $646.7M Reported value, 2020-06-30: $724.9M Reported value, 2020-09-30: $1.5B Reported value, 2020-12-31: $2.3B Reported value, 2021-03-31: $2.8B Reported value, 2021-06-30: $2.9B Reported value, 2021-09-30: $2.4B Reported value, 2021-12-31: $2.7B Reported value, 2022-03-31: $2.6B Reported value, 2022-06-30: $1.7B Reported value, 2022-09-30: $1.4B Reported value, 2022-12-31: $974.7B Reported value, 2023-03-31: $484.2M Reported value, 2023-06-30: $323.5M Reported value, 2023-09-30: $247.1M Reported value, 2023-12-31: $136.6M Reported value, 2024-03-31: $137.4M Reported value, 2024-06-30: $265.5M Reported value, 2024-09-30: $273.3M Reported value, 2024-12-31: $339.8M Reported value, 2025-03-31: $489.4M Reported value, 2025-06-30: $1B Reported value, 2025-09-30: $1.1B Reported value, 2025-12-31: $1.4B Reported value, 2026-03-31: $1.9B Reported value, 2026-06-30: $2.3B 2013-06-30 2016-03-31 2018-12-31 2021-09-30 2026-06-30 $2.3B
View chart data
Period Reported value
2013-06-30 $118.8M
2013-09-30 $138.1M
2013-12-31 $165.7M
2014-03-31 $108.6M
2014-06-30 $108.9M
2014-09-30 $133.9M
2014-12-31 $152.8M
2015-03-31 $130.6M
2015-06-30 $168M
2015-09-30 $149.3M
2015-12-31 $145.6M
2016-03-31 $168.6M
2016-06-30 $198.3M
2016-09-30 $188.6M
2016-12-31 $181.2M
2017-03-31 $169.5M
2017-06-30 $97.3M
2017-09-30 $140.9M
2017-12-31 $229.5M
2018-03-31 $396.6M
2018-06-30 $172.4M
2018-09-30 $178.1M
2018-12-31 $537.1M
2019-03-31 $530M
2019-06-30 $501.6M
2019-09-30 $601.7M
2019-12-31 $842.7M
2020-03-31 $646.7M
2020-06-30 $724.9M
2020-09-30 $1.5B
2020-12-31 $2.3B
2021-03-31 $2.8B
2021-06-30 $2.9B
2021-09-30 $2.4B
2021-12-31 $2.7B
2022-03-31 $2.6B
2022-06-30 $1.7B
2022-09-30 $1.4B
2022-12-31 $974.7B
2023-03-31 $484.2M
2023-06-30 $323.5M
2023-09-30 $247.1M
2023-12-31 $136.6M
2024-03-31 $137.4M
2024-06-30 $265.5M
2024-09-30 $273.3M
2024-12-31 $339.8M
2025-03-31 $489.4M
2025-06-30 $1B
2025-09-30 $1.1B
2025-12-31 $1.4B
2026-03-31 $1.9B
2026-06-30 $2.3B

Holdings and moves

CompanyShare of portfolioValueSharesChange in shares
GOOGLAlphabet Inc. (Class A)4.79%$110.8m310.0KNew
HOODRobinhood Markets0.98%$22.7m226.7KNew
IPXGInflection Point Acquisition Corp. VII0.68%$15.7m1.55M+55.0% Added
IRHOIron Horse Acquisition II Corp.0.65%$15.0m1.50M0.0%
MKLYMckinley Acquisition Corp0.63%$14.7m1.45M0.0%
LPBBLaunch Two Acquisition Corp.0.60%$13.9m1.30M0.0%
BEAGBold Eagle Acquisition Corp.0.53%$12.3m1.15M0.0%
NTWONewbury Street II Acquisition Corp0.41%$9.6m900.0K0.0%
LGNDLigand Pharmaceuticals Inc0.37%$8.7m27.4KNew
SVAQSilicon Valley Acquisition Corp.0.33%$7.6m750.0K0.0%
PLMKPlum Acquisition Corp. IV0.32%$7.5m700.0K0.0%
BRUNBoost Run Inc.0.29%$6.7m191.7KNew
CCXIChurchill Capital Corp XI0.23%$5.4m307.2K−69.3% Reduced
KRGKite Realty Group Trust0.22%$5.2m181.6KNew
SSACSpacsphere Acquisition Corp.0.19%$4.5m450.0K0.0%
WTGWintergreen Acquisition Corp.0.18%$4.2m400.0K0.0%
FACTFact II Acquisition Corp.0.14%$3.3m306.0K+2.0% Added
DAAQDigital Asset Acquisition Corp.0.14%$3.2m311.8K0.0%
WBWeibo Corp0.12%$2.8m387.1KNew
WLFCWillis Lease Finance Corp0.11%$2.6m11.5KNew
MMTXMiluna Acquisition Corp0.11%$2.5m250.0K0.0%
BIIIBlack Spade Acquisition III Co0.11%$2.5m250.0K0.0%
BTUPeabody Energy Corp0.09%$2.1m92.4KNew
MCGAYorkville Acquisition Corp.0.09%$2.0m200.0K0.0%
KDKKodiak AI, Inc.0.08%$1.8m384.6KNew
NKLRTerra Innovatum Global N.V.0.03%$798,683171.5K−62.2% Reduced
KYIVKyivstar Group Ltd.0.03%$792,90654.5K0.0%
CNCKCoincheck Group N.V.0.01%$348,917157.2K0.0%
AVATAvalanche Treasury Corp0.00%$58,797117.5KNew
CompanyBought (value)Shares
GOOGLAlphabet Inc. (Class A)$110.8m310.0K
HOODRobinhood Markets$22.7m226.7K
LGNDLigand Pharmaceuticals Inc$8.7m27.4K
BRUNBoost Run Inc.$6.7m191.7K
IPXGInflection Point Acquisition Corp. VII$5.6m550.0K
KRGKite Realty Group Trust$5.2m181.6K
WBWeibo Corp$2.8m387.1K
WLFCWillis Lease Finance Corp$2.6m11.5K
BTUPeabody Energy Corp$2.1m92.4K
KDKKodiak AI, Inc.$1.8m384.6K
FACTFact II Acquisition Corp.$64,1206.0K
AVATAvalanche Treasury Corp$58,797117.5K

Change in shares on the previous quarter's 13F, valued at this quarter's reported price.

CompanySold (value)Shares
CRGYCrescent Energy Co−$17.9m−1.33M
CCXIChurchill Capital Corp XI−$12.1m−692.8K
LILi Auto Inc.−$2.9m−159.9K
NKLRTerra Innovatum Global N.V.−$1.3m−282.7K
NUCLEagle Nuclear Energy Corp.−$549,773−71.6K
BABAAlibaba Group Holding Ltd−$212,153−1.7K

Change in shares on the previous quarter's 13F, valued at this quarter's reported price.

CompanyValue last quarterShares
CRGYCrescent Energy Co$17.9m1.33M
LILi Auto Inc.$2.9m159.9K
NUCLEagle Nuclear Energy Corp.$549,77371.6K
BABAAlibaba Group Holding Ltd$212,1531.7K
  • Communication Services40.4%
  • Technology24.2%
  • Industrials17.5%
  • Financials9.8%
  • Health Care3.0%
  • Utilities2.6%
  • Real Estate1.8%
  • Energy0.7%

Share of the value held in companies we cover, by sector.

PeriodCopy, a yearS&P 500SharpeS&P 500Biggest dropBeta
Whole backtestAugust 16, 2013 to November 2, 2026+2.1%+14.1%0.200.78−71.9%1.23
2018 onwardsJanuary 5, 2018 to November 2, 2026−2.7%+13.9%0.090.66−71.9%1.22
Last three yearsNovember 3, 2023 to November 2, 2026+12.4%+21.8%0.371.16−48.2%1.26
Last yearNovember 7, 2025 to November 2, 2026−13.8%+14.2%−1.110.84−19.1%0.37

From SEC Form 13F data sets. A 13F lists long positions in US-listed shares at the quarter's end, filed up to 45 days later; it does not show shorts, cash, bonds, non-US holdings or trades within the quarter. Positions in companies outside our coverage are not listed here. Research, not investment advice.