Terminal · Institutions

Every 13F-reported equity position this quarter, with its quarter-over-quarter change — each row traces back to the SEC filing.

SUPERSTRING CAPITAL MANAGEMENT LP 13F Holdings -- Portfolio & Top Positions (2026-03-31)

SUPERSTRING CAPITAL MANAGEMENT LP (CIK 1931118) reported $140.0M across 33 reported positions in its SEC 13F filing for 2026-03-31. Largest positions: SMMT ($16.9M, 12.09%), IMVT ($8.9M, 6.35%), SVRA ($8.7M, 6.19%), COGT ($8.7M, 6.19%), URGN ($7.0M, 4.98%). Source: SEC Form 13F.

RankTickerCompanyValue% PortfolioSharesAction
1SMMTSUMMIT THERAPEUTICS INC$16.9M12.09%892,873New
2IMVTIMMUNOVANT INC$8.9M6.35%357,606Added
3SVRASAVARA INC$8.7M6.19%1.6MAdded
4COGTCOGENT BIOSCIENCES INC$8.7M6.19%225,158Trimmed
5URGNUROGEN PHARMA LTD$7.0M4.98%387,371Trimmed
6DEFINIUM THERAPEUTICS INC$6.6M4.75%351,461New
7VIRVIR BIOTECHNOLOGY INC$6.5M4.68%730,548New
8PCVXVAXCYTE INC$6.4M4.59%110,454New
9CLDXCELLDEX THERAPEUTICS INC NEW$5.7M4.08%180,048Added
10SIONSIONNA THERAPEUTICS INC$5.7M4.04%141,024Trimmed
11GMABGENMAB A/S$5.3M3.77%196,709Added
12ZLABZAI LAB LTD$5.2M3.71%275,818Added
13VRTXVERTEX PHARMACEUTICALS INC$4.9M3.51%11,010New
14IQVIQVIA HLDGS INC$4.4M3.13%25,668New
15MAPLIGHT THERAPEUTICS INC$3.9M2.79%192,139New
16ARVNARVINAS INC$3.3M2.37%312,620New
17ORKAORUKA THERAPEUTICS INC$3.1M2.23%63,591New
18UTHRUNITED THERAPEUTICS CORP DEL$3.1M2.20%5,186Trimmed
19TVTXTRAVERE THERAPEUTICS INC$3.1M2.18%102,754Added
20TRVITREVI THERAPEUTICS INC$3.0M2.14%251,566Added
21ANLADLAI NORTYE LTD$2.9M2.05%414,852New
22CABACABALETTA BIO INC$2.9M2.05%1.1MTrimmed
23PFEPFIZER INC$2.1M1.48%74,000New
24AXSMAXSOME THERAPEUTICS INC.$1.9M1.35%11,217Trimmed
25ORICORIC PHARMACEUTICALS INC$1.5M1.04%115,234Trimmed

Source: SEC Form 13F filings · as of 2026-03-31