SUPERSTRING CAPITAL MANAGEMENT LP
Filing Date
Global Rank
#4,651
/ 8,232
▲ 44
Top Industry
Biotechnology
93.2%
3Y Alpha vs SPY
+3.8%
Period ended 2 months ago
Filed May 14, 2026 · 31d
10 quarters · since Dec 2023
Clone Performance
Feb 2024–Jun 2026 · vs SPYHypothetical growth of cloning every reported 13F position and rebalancing on each filing, indexed to the same start.
Cloned portfolio
+64.4%
SPY
+52.9%
Annualised alpha
+3.8%
Max drawdown
−54.5%
Estimate. 13F holdings are quarter-lagged and long-only, so the clone rebalances about 45 days after each period end — when the filing becomes public — and excludes options and short positions. Past performance does not predict future results.
Portfolio Concentration
35 positions · as of Mar 31, 2026 · Δ vs Dec 31, 2025Top Position
12.1%
+0.4 pts
Top 5
35.8%
−4.9 pts
Top 10
57.9%
−1.2 pts
HHI
487
Diversified−33
Portfolio Trend
10 quarters · across all stocks
Sector Breakdown
As of Mar 31, 2026| Sector | % Portfolio | Value |
|---|---|---|
| Healthcare | 100.0% | $139,969,950 |
Last Quarter's Activity
Export CSVAdded To
Positions the filer increased
8 positions
| Ticker | Company | Δ Shares | Shares | Value | Open |
|---|---|---|---|---|---|
| SVRA | Savara Inc | +590,624 | 1,585,977 | $8,659,434 | |
| GMAB | Genmab A/S | +167,547 | 196,709 | $5,277,702 | |
| TRVI | Trevi Therapeutics, Inc. | +103,274 | 251,566 | $3,001,182 | |
| CLDX | Celldex Therapeutics, Inc. | +91,740 | 180,048 | $5,711,122 | |
| ZLAB | Zai Lab Ltd | +78,965 | 275,818 | $5,188,136 | |
| IMVT | Immunovant, Inc. | +68,929 | 357,606 | $8,882,933 | |
| TVTX | Travere Therapeutics, Inc. | +64,732 | 102,754 | $3,052,821 | |
| PTN | Palatin Technologies Inc | +1,998 | 35,969 | $626,579 | |
| No positions match the current search. | |||||
Trimmed
Positions the filer reduced
11 positions
| Ticker | Company | Δ Shares | Shares | Value | Open |
|---|---|---|---|---|---|
| CABA | Cabaletta Bio, Inc. | −1,187,311 | 1,066,239 | $2,868,182 | |
| TSHA | Taysha Gene Therapies, Inc. | −722,499 | 258,269 | $1,154,462 | |
| IPSC | Century Therapeutics, Inc. | −343,655 | 119,308 | $269,636 | |
| URGN | UroGen Pharma Ltd. | −330,983 | 387,371 | $6,964,930 | |
| TARA | Protara Therapeutics, Inc. | −238,543 | 121,457 | $632,790 | |
| COGT | Cogent Biosciences, Inc. | −141,080 | 225,158 | $8,666,331 | |
| ORIC | Oric Pharmaceuticals, Inc. | −140,136 | 115,234 | $1,460,014 | |
| SION | Sionna Therapeutics, Inc. | −39,569 | 141,024 | $5,653,652 | |
| DRUG | Bright Minds Biosciences Inc. | −33,967 | 13,311 | $971,303 | |
| AXSM | Axsome Therapeutics, Inc. | −26,216 | 11,217 | $1,895,897 | |
| UTHR | UNITED THERAPEUTICS Corp | −4,265 | 5,186 | $3,075,194 | |
| No positions match the current search. | |||||
New Positions
Positions the filer opened this quarter
15 positions
| Ticker | Company | Shares | Value | Open |
|---|---|---|---|---|
| SMMT | Summit Therapeutics Inc. | 892,873 | $16,928,872 | |
| DFTX | Definium Therapeutics, Inc. | 351,461 | $6,642,612 | |
| VIR | Vir Biotechnology, Inc. | 730,548 | $6,545,710 | |
| PCVX | Vaxcyte, Inc. | 110,454 | $6,418,481 | |
| VRTX | Vertex Pharmaceuticals Inc / Ma | 11,010 | $4,916,405 | |
| IQV | Iqvia Holdings Inc. | 25,668 | $4,377,420 | |
| MPLT | MapLight Therapeutics, Inc. | 192,139 | $3,906,185 | |
| ARVN | Arvinas, Inc. | 312,620 | $3,313,772 | |
| ORKA | Oruka Therapeutics, Inc. | 63,591 | $3,119,138 | |
| ANL | Adlai Nortye Ltd. | 414,852 | $2,870,775 | |
| PFE | Pfizer Inc | 74,000 | $2,077,920 | |
| ACRS | Aclaris Therapeutics, Inc. | 366,490 | $1,374,337 | |
| CLYM | Climb Bio, Inc. | 199,209 | $1,364,581 | |
| TNXP | Tonix Pharmaceuticals Holding Corp. | 63,540 | $873,675 | |
| CGEM | Cullinan Therapeutics, Inc. | 59,484 | $845,267 | |
| No positions match the current search. | ||||
Sold Out
Positions the filer fully exited
22 positions
| Ticker | Company | Shares | Value | Open |
|---|---|---|---|---|
| TERN | Terns Pharmaceuticals, Inc. | 443,777 | $17,928,590 | |
| OCUL | Ocular Therapeutix, Inc | 418,080 | $5,075,491 | |
| FOLD | AMICUS THERAPEUTICS, INC. | 352,896 | $5,025,239 | |
| RVMD | Revolution Medicines, Inc. | 54,879 | $4,371,112 | |
| BLTE | Belite Bio, Inc | 24,703 | $3,951,491 | |
| ZBIO | Zenas BioPharma, Inc. | 83,353 | $3,026,547 | |
| QNCX | Quince Therapeutics, Inc. | 858,711 | $2,876,681 | |
| AVTX | Avalo Therapeutics, Inc. | 153,313 | $2,784,164 | |
| CAPR | Capricor Therapeutics, Inc. | 96,334 | $2,780,199 | |
| PVLA | Palvella Therapeutics, Inc. | 25,469 | $2,665,840 | |
| ASMB | Assembly Biosciences, Inc. | 65,273 | $2,219,934 | |
| TYRA | Tyra Biosciences, Inc. | 58,677 | $1,542,618 | |
| VRDN | Viridian Therapeutics, Inc.DE | 43,230 | $1,345,317 | |
| RZLT | Rezolute, Inc. | 513,765 | $1,212,485 | |
| DNTH | Dianthus Therapeutics, Inc. /DE/ | 26,249 | $1,081,721 | |
| SPRB | Spruce Biosciences, Inc. | 12,137 | $1,057,254 | |
| AARD | Aardvark Therapeutics, Inc. | 69,496 | $912,135 | |
| PALI | Palisade Bio, Inc. | 367,103 | $862,692 | |
| FULC | Fulcrum Therapeutics, Inc. | 72,060 | $814,998 | |
| RARE | Ultragenyx Pharmaceutical Inc. | 31,738 | $729,974 | |
| IVA | Inventiva S.A. | 100,000 | $465,000 | |
| ENTX | Entera Bio Ltd. | 17,142 | $33,255 | |
| No positions match the current search. | ||||
35 positions ·
$139,969,950 total
· as of Mar 31, 2026
| Ticker | Company | Type | Shares | Value (USD) | % of Portfolio | History |
|---|---|---|---|---|---|---|
| SMMT |
Summit Therapeutics Inc.
Healthcare
|
NEW | 892,873 | $16,928,872 | 12.09% | |
| IMVT |
Immunovant, Inc.
Healthcare
|
Added | 357,606 | $8,882,933 | 6.35% | |
| COGT |
Cogent Biosciences, Inc.
Healthcare
|
Reduced | 225,158 | $8,666,331 | 6.19% | |
| SVRA |
Savara Inc
Healthcare
|
Added | 1,585,977 | $8,659,434 | 6.19% | |
| URGN |
UroGen Pharma Ltd.
Healthcare
|
Reduced | 387,371 | $6,964,930 | 4.98% | |
| DFTX |
Definium Therapeutics, Inc.
Healthcare
|
NEW | 351,461 | $6,642,612 | 4.75% | |
| VIR |
Vir Biotechnology, Inc.
Healthcare
|
NEW | 730,548 | $6,545,710 | 4.68% | |
| PCVX |
Vaxcyte, Inc.
Healthcare
|
NEW | 110,454 | $6,418,481 | 4.59% | |
| CLDX |
Celldex Therapeutics, Inc.
Healthcare
|
Added | 180,048 | $5,711,122 | 4.08% | |
| SION |
Sionna Therapeutics, Inc.
Healthcare
|
Reduced | 141,024 | $5,653,652 | 4.04% | |
| GMAB |
Genmab A/S
Healthcare
|
Added | 196,709 | $5,277,702 | 3.77% | |
| ZLAB |
Zai Lab Ltd
Healthcare
|
Added | 275,818 | $5,188,136 | 3.71% | |
| VRTX |
Vertex Pharmaceuticals Inc / Ma
Healthcare
|
NEW | 11,010 | $4,916,405 | 3.51% | |
| IQV |
Iqvia Holdings Inc.
Healthcare
|
NEW | 25,668 | $4,377,420 | 3.13% | |
| MPLT |
MapLight Therapeutics, Inc.
Healthcare
|
NEW | 192,139 | $3,906,185 | 2.79% | |
| ARVN |
Arvinas, Inc.
Healthcare
|
NEW | 312,620 | $3,313,772 | 2.37% | |
| ORKA |
Oruka Therapeutics, Inc.
Healthcare
|
NEW | 63,591 | $3,119,138 | 2.23% | |
| UTHR |
UNITED THERAPEUTICS Corp
Healthcare
|
Reduced | 5,186 | $3,075,194 | 2.20% | |
| TVTX |
Travere Therapeutics, Inc.
Healthcare
|
Added | 102,754 | $3,052,821 | 2.18% | |
| TRVI |
Trevi Therapeutics, Inc.
Healthcare
|
Added | 251,566 | $3,001,182 | 2.14% | |
| ANL |
Adlai Nortye Ltd.
Healthcare
|
NEW | 414,852 | $2,870,775 | 2.05% | |
| CABA |
Cabaletta Bio, Inc.
Healthcare
|
Reduced | 1,066,239 | $2,868,182 | 2.05% | |
| PFE |
Pfizer Inc
Healthcare
|
NEW | 74,000 | $2,077,920 | 1.48% | |
| AXSM |
Axsome Therapeutics, Inc.
Healthcare
|
Reduced | 11,217 | $1,895,897 | 1.35% | |
| ORIC |
Oric Pharmaceuticals, Inc.
Healthcare
|
Reduced | 115,234 | $1,460,014 | 1.04% | |
| ACRS |
Aclaris Therapeutics, Inc.
Healthcare
|
NEW | 366,490 | $1,374,337 | 0.98% | |
| CLYM |
Climb Bio, Inc.
Healthcare
|
NEW | 199,209 | $1,364,581 | 0.97% | |
| TSHA |
Taysha Gene Therapies, Inc.
Healthcare
|
Reduced | 258,269 | $1,154,462 | 0.82% | |
| DRUG |
Bright Minds Biosciences Inc.
Healthcare
|
Reduced | 13,311 | $971,303 | 0.69% | |
| TNXP |
Tonix Pharmaceuticals Holding Corp.
Healthcare
|
NEW | 63,540 | $873,675 | 0.62% | |
| CGEM |
Cullinan Therapeutics, Inc.
Healthcare
|
NEW | 59,484 | $845,267 | 0.60% | |
| TARA |
Protara Therapeutics, Inc.
Healthcare
|
Reduced | 121,457 | $632,790 | 0.45% | |
| PTN |
Palatin Technologies Inc
Healthcare
|
Added | 35,969 | $626,579 | 0.45% | |
| BMEA |
Biomea Fusion, Inc.
Healthcare
|
Held | 250,000 | $382,500 | 0.27% | |
| IPSC |
Century Therapeutics, Inc.
Healthcare
|
Reduced | 119,308 | $269,636 | 0.19% |