Top Institutional Investors

LINDEN ADVISORS LP — 13F Holdings & Portfolio

CIK 1279396 · latest 13F-HR filed 2026-05-15

Backtest portfolio

LINDEN ADVISORS LP manages $17.86B in 13F-reported U.S. long-equity assets across 565 reported positions as of its 2026-03-31 13F-HR filing. Its largest disclosed positions are LITE (8.43%), LITE (4.72%), LITE (2.94%). Quarter over quarter (versus its 2025-12-31 filing) the fund opened 160 new positions, exited 69, added to 75, and trimmed 173.

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.

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AUM

$17.86B

Long-equity book

Holdings

565

Distinct positions

Period

2026-03-31

Filed 2026-05-15

Q/Q Activity

+160 / −69 / ↑75 / ↓173

vs 2025-12-31

Firm Profile & Key People
Name Title / Status Ownership Type

Top Adds (vs prior quarter)

  • LUMENTUM HOLDINGS INC 0.5 06/15/2028$699.2M +86.6%
  • LUMENTUM HOLDINGS INC 1.5 12/15/2029$448.4M +90.4%
  • LUMENTUM HOLDINGS INC 0.5 12/15/2026$262.4M +78.8%
  • SOLAR EDGE TECHNOLOGIES 2.25 07/01/2029$97.3M +131.9%
  • STRATEGY INC NOTE 12/0$78.2M +47.0%
Show all 75 →

Top Trims

  • LI AUTO INC 0.25 05/01/2028-$254.8M -96.7%
  • CENTRUS ENERGY CORP 2.25 11/01/2030-$155.4M -24.1%
  • MARRIOTT VACATION WORLDW 3.25 12/15/2027-$147.0M -97.4%
  • BILL HOLDINGS INC 0 04/01/2030 144A-$90.3M -31.2%
  • MAKEMYTRIP LIMITED 0 02/15/2028-$76.8M -45.5%
Show all 173 →

New Positions

  • UNITY SOFTWARE INC 0 03/15/2030$275.9M
  • INTEGER HOLDINGS CORP 1.875 03/15/2030 144A$243.7M
  • BRIDGEBIO PHARMA INC 1.75 03/01/2031 144A$225.4M
  • FASTLY INC 7.75 06/01/2028$175.2M
  • STRATEGY INC 0 03/01/2030$167.5M
Show all 160 →

Exited Positions

  • EXACT SCIENCES CORP 0.375 03/01/2028$244.9M
  • ALIBABA GROUP HOLDING 0.5 06/01/2031$216.9M
  • WESTERN DIGITAL CORP 3 11/15/2028$118.7M
  • ENPHASE ENERGY INC 0 03/01/2028$106.3M
  • ETSY INC 0.25 06/15/2028$100.1M
Show all 69 →
All Holdings

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 LUMENTUM HOLDINGS INC 0.5 06/15/2028 LITE 55024UAF6 $1.51B 8.43% 281,381,000 PRN
2 LUMENTUM HOLDINGS INC 1.5 12/15/2029 LITE 55024UAH2 $843.6M 4.72% 83,648,000 PRN
3 LUMENTUM HOLDINGS INC 0.5 12/15/2026 LITE 55024UAD1 $524.9M 2.94% 74,348,000 PRN
4 CENTRUS ENERGY CORP 2.25 11/01/2030 LEU 15643UAE4 $488.6M 2.74% 239,902,000 PRN
5 APPLIED DIGITAL CORP 2.75 06/01/2030 APLD 038169AB4 $346.5M 1.94% 130,530,000 PRN
6 MKS INC 1.25 06/01/2030 MKSI 55306NAB0 $329.8M 1.85% 198,888,000 PRN
7 SPHERE ENTERTAINMENT CO 3.5 12/01/2028 SPHR 55826TAB8 $281.2M 1.57% 83,540,000 PRN
8 UNITY SOFTWARE INC 0 03/15/2030 U 91332UAH4 $275.9M 1.54% 275,607,000 PRN
9 BRIDGEBIO PHARMA INC 2.25 02/01/2029 BBIO 10806XAD4 $268.5M 1.50% 239,048,000 PRN
10 LIBERTY MEDIA CORP 3.75 03/15/2028 FWONA 531229AP7 $257.9M 1.44% 249,419,000 PRN
11 STRATEGY INC NOTE 12/0 MHIFF 594972AS0 $244.7M 1.37% 293,133,000 PRN
12 INTEGER HOLDINGS CORP 1.875 03/15/2030 144A ITGR 45826HAD1 $243.7M 1.36% 253,838,000 PRN
13 AFFIRM HOLDINGS INC 0.75 12/15/2029 AFRM 00827BAD8 $242.7M 1.36% 259,623,000 PRN
14 SOLARIS ENERGY INFRASTRU 0.25 10/01/2031 SEI 83419XAB4 $242.4M 1.36% 193,774,000 PRN
15 VISHAY INTERTECHNOLOGY 2.25 09/15/2030 VSH 928298AR9 $227.5M 1.27% 236,601,000 PRN
16 CELCUITY INC 2.75 08/01/2031 CELC 15102KAA8 $226.4M 1.27% 92,715,000 PRN
17 BRIDGEBIO PHARMA INC 1.75 03/01/2031 144A BBIO 10806XAJ1 $225.4M 1.26% 132,723,000 PRN
18 STRATEGY INC NOTE 0.625 3/1 MHIFF 594972AJ0 $210.2M 1.18% 182,440,000 PRN
19 SUNRUN INC 4 03/01/2030 144A RUN 86771WAD7 $205.8M 1.15% 172,585,000 PRN
20 ASCENDIS PHARMA A/S 2.25 04/01/2028 ASND 04351PAD3 $205.5M 1.15% 139,570,000 PRN
21 BILL HOLDINGS INC 0 04/01/2030 144A BILL 090043AF7 $199.2M 1.12% 223,559,000 PRN
22 GUARDANT HEALTH INC 1.25 02/15/2031 GH 40131MAD1 $194.9M 1.09% 115,820,000 PRN
23 SILVERCORP METALS INC 4.75 12/15/2029 144A SVM 82835PAB9 $192.3M 1.08% 74,768,000 PRN
24 PELOTON INTERACTIVE INC 5.5 12/01/2029 PTON 70614WAD2 $187.4M 1.05% 139,590,000 PRN
25 CLEANSPARK INC 0 06/15/2030 144A CLSK 18452BAC4 $186.2M 1.04% 191,496,000 PRN
26 HAEMONETICS CORP 2.5 06/01/2029 — 405024AD2 $180.5M 1.01% 189,401,000 PRN
27 FASTLY INC 7.75 06/01/2028 — 31188VAD2 $175.2M 0.98% 94,000,000 PRN
28 OSI SYSTEMS INC 2.25 08/01/2029 OSIS 671044AF2 $175.0M 0.98% 114,046,000 PRN
29 AEROVIRONMENT INC 0 07/15/2030 AVAV 008073AA6 $174.4M 0.98% 177,364,000 PRN
30 UPSTART HOLDINGS INC 2 10/01/2029 144A UPST 91680MAD9 $173.2M 0.97% 176,645,000 PRN
31 SOLAR EDGE TECHNOLOGIES 2.25 07/01/2029 SEDG 83417MAE4 $171.0M 0.96% 99,473,000 PRN
32 STRATEGY INC 0 03/01/2030 MHIFF 594972AU5 $167.5M 0.94% 192,225,000 PRN
33 JAZZ INVESTMENTS I LTD 3.125 09/15/2030 JAZZ 472145AH4 $163.7M 0.92% 115,450,000 PRN
34 COLLEGIUM PHARMA INC 2.875 02/15/2029 COLL 19459JAC8 $157.7M 0.88% 135,690,000 PRN
35 STRIDE INC 1.125 09/01/2027 LRN 86333MAA6 $144.9M 0.81% 83,952,000 PRN
36 RIOT PLATFORMS INC 0.75 01/15/2030 144A RIOT 767292AB1 $143.6M 0.80% 124,424,000 PRN
37 PROGRESS SOFTWARE CORP 3.5 03/01/2030 PRGS 743312AD2 $135.7M 0.76% 152,347,000 PRN
38 CIPHER MINING 1.75 05/15/2030 CIFR 17253JAA4 $135.6M 0.76% 44,000,000 PRN
39 CONMED CORP 2.25 06/15/2027 — 207410AH4 $135.2M 0.76% 139,220,000 PRN
40 FORTUNA MINING CORP 3.75 06/30/2029 144A FSM 349915AE8 $134.5M 0.75% 77,376,000 PRN
41 STRATEGY INC 0.875 03/15/2031 MHIFF 594972AL5 $127.9M 0.72% 132,639,000 PRN
42 TRAVERE THERAPEUTICS INC 2.25 03/01/2029 TVTX 89422GAA5 $127.9M 0.72% 101,062,000 PRN
43 STRATEGY INC NOTE 2.250 6/1 MHIFF 594972AN1 $126.1M 0.71% 123,038,000 PRN
44 ADVANCED ENERGY IND 2.5 09/15/2028 AEIS 007973AE0 $121.5M 0.68% 50,507,000 PRN
45 VEECO INSTRUMENTS INC 2.875 06/01/2029 VECO 922417AJ9 $120.4M 0.67% 86,800,000 PRN
46 IREN LTD 3.25 06/15/2030 IREN 46270CAB5 $118.2M 0.66% 51,777,000 PRN
47 PACIRA BIOSCIENCES INC 2.125 05/15/2029 PCRX 695127AJ9 $117.8M 0.66% 121,495,000 PRN
48 SOLARIS ENERGY INFRASTRU 4.75 05/01/2030 SEI 83419XAA6 $115.3M 0.65% 48,669,000 PRN
49 NEXTERA ENERGY INC NEEPV 65339F655 $110.6M 0.62% 2,200,000 SH
50 MCEWEN MINING INC 5.25 08/15/2030 144A MUX 58039PAB3 $110.4M 0.62% 52,550,000 PRN
Filing History
Period Filed AUM Holdings Accession
2026-03-31 2026-05-15 $17.86B 565 0001193125-26-225528
2025-12-31 2026-02-17 $16.24B 472 0001193125-26-053352
2025-09-30 2025-11-14 $15.00B 408 0001193125-25-281857