13F Filings History of Weiss Asset Management LP
- Latest 13F filing
- Q1 2026 - 15 May 2026
- Latest reported 13F value
- $5,417,568,606
- Largest 13F holdings
-
NVDA PSLV STRATEGY INC SUPER MICRO COMPUTER INC NEEPRV TBPH UGI CORP NEW HOLX IBIT BMNR MSTR CEF
+4 more
GREENBRIER COS INC MCEWEN INC. ALBPRA FOLD - Notable people
- Andrew M. Weiss
- Form 13F summary
-
- Weiss Asset Management LP Form 13F history summarizes parsed U.S.-listed equity disclosures for this manager.
- Form 13F is generally due within 45 days after each calendar quarter ends.
- Weiss Asset Management LP reported 472 equity holdings with a total reported market value of $5,417,568,606 for Q1 2026. Top reported holdings included NVDA, PSLV, STRATEGY INC, SUPER MICRO COMPUTER INC, and NEEPRV.
- Manager signature
- Mary Merrigan - Authorized Signatory
- Manager location
- Boston, MA
13F snapshot
Latest parsed holdings, value, and filing-period context.
1 signal
Manager
Names, identifiers, and filing context for this profile.
2 identity fields
Follow Filing Activity
Follow Weiss Asset Management LP with Pro and return when a new 13F portfolio filing changes the record on this page.
Pro alert delivery is coming soon and remains tied to source-backed filing changes rather than inferred market advice.
Holdings Value
Form 13F evidence
Quarterly portfolio filings
SEC-reported 13F quarters for this filer, ordered by the latest accepted filing.
Latest quarter
Q1 2026
Latest value
$5,417,568,606
Quarter delta
+$4,985,539,498
Accepted
15 May 2026, 14:20
Rows shown
1-25 of 70
| Quarter | Holdings | SEC-reported value | Bought | Sold | Net | Top Holdings | Form Type | Accepted by SEC |
|---|---|---|---|---|---|---|---|---|
| Q1 2026 | 472 | $5,417,568,606 | +$2,944,398,396 | -$4,230,768,001 | -$1,286,369,605 | NVDA, PSLV, STRATEGY INC, SUPER MICRO COMPUTER INC, NEEPRV | 13F-HR | 15 May 2026, 14:20 |
| Q4 2025 | 5 | $432,029,108 | $0 | $0 | $0 | RNAM, CYBR, EXAS, KVUE, MBC | New Holdings | 15 May 2026, 14:13 |
| Q4 2025 | 551 | $7,053,284,644 | +$3,456,300,227 | -$2,707,698,897 | +$748,601,330 | NVDA, IBIT, INTERDIGITAL INC, STRATEGY INC, RNAM | 13F-HR | 17 Feb 2026, 11:36 |
| Q3 2025 | 2 | $128,607,947 | $0 | $0 | $0 | CYBR, MBC | New Holdings | 15 May 2026, 14:09 |
| Q3 2025 | 2 | $286,544,546 | $0 | $0 | $0 | K, ZK | New Holdings | 17 Feb 2026, 11:19 |
| Q3 2025 | 582 | $7,003,514,700 | +$3,386,408,903 | -$3,006,175,423 | +$380,233,480 | NVDA, IBIT, MSTR, INTERDIGITAL INC, K | 13F-HR | 14 Nov 2025, 10:29 |
| Q2 2025 | 1 | $62,540,770 | $0 | $0 | $0 | IPG | New Holdings | 17 Feb 2026, 11:12 |
| Q2 2025 | 1 | $67,832,821 | $0 | $0 | $0 | AMED | New Holdings | 14 Nov 2025, 10:14 |
| Q2 2025 | 397 | $6,324,015,476 | +$3,764,657,168 | -$1,740,472,124 | +$2,024,185,044 | NVDA, MSTR, IBIT, COIN, SMCI | 13F-HR | 14 Aug 2025, 10:15 |
| Q1 2025 | 1 | $39,295,858 | $0 | $0 | $0 | OMC | New Holdings | 14 Aug 2025, 10:10 |
| Q1 2025 | 293 | $3,725,499,467 | +$2,387,419,902 | -$2,974,799,513 | -$587,379,611 | MSTR, NVDA, SUPER MICRO COMPUTER INC, ITCI, TSLA | 13F-HR | 15 May 2025, 11:22 |
| Q4 2024 | 13 | $473,083,423 | $0 | $0 | $0 | HCP, JNPR, EDR, DFS, ANSS | New Holdings | 15 May 2025, 11:16 |
| Q4 2024 | 596 | $4,383,101,478 | +$2,936,754,678 | -$2,466,388,948 | +$470,365,730 | HCP, NRG ENERGY INC, CAMTEK LTD, IBIT, INTERDIGITAL INC | 13F-HR | 14 Feb 2025, 11:13 |
| Q3 2024 | 15 | $201,546,125 | $0 | $0 | $0 | CATALENT INC, EDR, JNPR, DFS, R1 RCM INC | New Holdings | 15 May 2025, 11:12 |
| Q3 2024 | 3 | $42,832,593 | $0 | $0 | $0 | HPE, SQSP, KR | New Holdings | 04 Feb 2025, 09:38 |
| Q3 2024 | 578 | $3,931,352,638 | +$2,925,762,189 | -$1,163,023,110 | +$1,762,739,079 | NRG ENERGY INC, CAMTEK LTD, PERFICIENT INC, EQC, NIO INC | 13F-HR | 14 Nov 2024, 10:08 |
| Q2 2024 | 254 | $2,082,615,849 | +$1,537,849,642 | -$1,562,830,318 | -$24,980,676 | NEEPRS, PERFICIENT INC, NRG ENERGY INC, TBPH, ENPHASE ENERGY INC | 13F-HR | 14 Aug 2024, 11:43 |
| Q1 2024 | 283 | $2,135,951,674 | +$1,554,867,665 | -$818,013,922 | +$736,853,743 | SPY, PXD, TJX, TBPH, NEE | 13F-HR | 13 May 2024, 10:15 |
| Q4 2023 | 344 | $1,398,089,128 | +$955,199,160 | -$878,935,555 | +$76,263,605 | SPLUNK INC, TBPH, CYTOKINETICS INC, NEE, VNET GROUP INC | 13F-HR | 12 Feb 2024, 12:12 |
| Q3 2023 | 156 | $1,259,704,857 | +$965,381,586 | -$437,173,963 | +$528,207,623 | ATVI, NIMC, HZNP, TBPH, SPLUNK INC | 13F-HR | 14 Nov 2023, 11:34 |
| Q2 2023 | 2 | $1,647,267 | $0 | $0 | $0 | TSVT, VCXBWS | New Holdings | 16 Nov 2023, 12:55 |
| Q2 2023 | 198 | $767,916,997 | +$283,094,838 | -$823,005,126 | -$539,910,288 | TBPH, IWM, LI AUTO INC, QQQ, NEEPRQ | 13F-HR | 11 Aug 2023, 11:07 |
| Q1 2023 | 2 | $322,272 | $0 | $0 | $0 | TXG, VCXBWS | New Holdings | 16 Nov 2023, 12:51 |
| Q1 2023 | 314 | $1,267,996,177 | +$709,867,367 | -$1,565,993,664 | -$856,126,297 | OAK STR HEALTH INC, TBPH, LI AUTO INC, BILIBILI INC, LIN | 13F-HR | 10 May 2023, 13:31 |
| Q4 2022 | 2 | $14,537,405 | $0 | $0 | $0 | 1LIFE HEALTHCARE INC, VCXBWS | New Holdings | 16 Nov 2023, 12:45 |