DOSSIER · 13F-HR · Q1 2026

LINDEN ADVISORS LP

$17.9B in tracked AUM across 565 positions as of Q1 2026.

LA
CIK 0001279396 · last filed Mar 31, 2026
Total AUM
$17.9B
as of Q1 2026
Holdings
565
positions
Whale Score
64
64
tracked
Activity
no data
changes this Q
AI Analysis · Q1 2026
Comprehensive Analysis of Linden Advisors LP SEC 13F Filing (Q3 2025)
1. Portfolio Overview

Linden Advisors LP manages a substantial portfolio valued at approximately $14.96 billion as of the report date September 30, 2025. This represents a decrease of 8.2% from the previous quarter's value of $16.29 billion. The portfolio is highly diversified, comprising 395 individual holdings.

The investment strategy is characterized by a strong focus on fixed income securities, speci...

2. Key Holdings

The portfolio is heavily concentrated in its top positions, which are dominated by corporate debt instruments. The top ten holdings account for a significant portion of the portfolio's risk capital, with the largest positions being:

  • Bloom Energy Corp: This is the portfolio's largest holding. Linden Advisors holds two distinct tranches of Bloom Energy convertible notes (2028 and 2029 maturities), which rank #1 and #2 respectively. Combined, these positions total over $1.05 billion, representing roughly 7.05% of the total portfolio. This indicates a strong conviction in the credit and conversion value of the clean energy firm.
  • Lumentum Holdings Inc: The firm holds a significant position in Lumentum’s 0.5% notes due 2028 (#3), valued at $370.18 million. They also hold a smaller tranche of 1.5% notes due 2029 and 0.5% notes due 2026, further solidifying Lumentum as a top credit exposure.
  • Strategy Inc (formerly MicroStrategy): Despite a significant reduction (discussed below), "Strategy Inc Note" remains the 4th largest holding at $356.09 million. The firm also holds the 2.250% note (#22) and the 0.875% note (#25), showing layered exposure across different maturities.
  • Jazz Investments I Ltd: A new position this quarter, this $343.10 million holding (#5) represents a major new credit bet initiated during the period.

Quarter at a glance — Q1 2026

Position-change comparison pending.

No quarter-over-quarter changes available.

Top 10 holdings

By portfolio weight as of Q1 2026.

#HoldingValueSharesWeight
01
LITE 0.5 06/15/28
LUMENTUM HOLDINGS INC 0.5 06/15/2028
$1.5B281.4M8.4%
02
LITE 1.5 12/15/29
LUMENTUM HOLDINGS INC 1.5 12/15/2029
$944M93.6M5.3%
03
LITE 0.5 12/15/26
LUMENTUM HOLDINGS INC 0.5 12/15/2026
$595M84.3M3.3%
04
LEU 2.25 11/01/30
CENTRUS ENERGY CORP 2.25 11/01/2030
$489M239.9M2.7%
05
APLD 2.75 06/01/30
APPLIED DIGITAL CORP 2.75 06/01/2030
$346M130.5M1.9%
06
MKSI 1.25 06/01/30
MKS INC 1.25 06/01/2030
$330M198.9M1.8%
07
SPHR 3.5 12/01/28
SPHERE ENTERTAINMENT CO 3.5 12/01/2028
$281M83.5M1.6%
08
U 0 03/15/30
UNITY SOFTWARE INC 0 03/15/2030
$276M275.6M1.5%
09
BBIO 2.25 02/01/29
BRIDGEBIO PHARMA INC 2.25 02/01/2029
$268M239.0M1.5%
10
SIRI 3.75 03/15/28
LIBERTY MEDIA CORP 3.75 03/15/2028
$258M249.4M1.4%

Filing history

2026Q1Mar 31
$17.9B 10.0%
565 positionsView →
2025Q4Dec 31
$16.2B 8.6%
472 positionsView →
2025Q3Sep 30
$15.0B 8.2%
395 positionsView →
2025Q2Jun 30
$16.3B 10.8%
376 positionsLocked
2025Q1Mar 31
$14.7B 21.9%
296 positionsLocked
2024Q4Dec 31
$12.1B 1.5%
264 positionsLocked
2024Q3Sep 30
$11.9B 0.8%
277 positionsLocked
2024Q2Jun 30
$12.0B 5.2%
291 positionsLocked
2024Q1Mar 31
$12.6B 20.2%
315 positionsLocked
2023Q4Dec 31
$10.5B 7.8%
332 positionsLocked
2023Q3Sep 30
$9.7B 2.3%
374 positionsLocked
2023Q2Jun 30
$9.5B 0.3%
398 positionsLocked
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