Monashee Investment Management LLC

CIK 0001627608 · BOSTON, MA · Quarter end: 2026-06-30 · Filed on: 2026-08-13 · Open the SEC source

Monashee Investment Management LLC reported 23 positions worth $59.6M as of June 30, 2026 (13F filed August 13, 2026). Largest holding: GOOGL 6.25 05-15-29 A (8.5%).

Portfolio Value (AUM)Total value of the fund's US stock portfolio reported to the SEC.
$59.6M
2026 Q2
Positions
23
Top-10 ConcentrationHow much of the portfolio sits in the 10 largest holdings. High = concentrated bets.
65.4%
Est. Net Flow (Q)
2026 Q2
10 / 23 positions shown
#SymbolCompanyTypeValue% Port.Shares1YYTD
1GOOGL 6.25 05-15-29 AALPHABET INCSH$5.1M8.54%100,000
2GOOGL 6.25 05-15-29 BALPHABET INCSH$5.0M8.44%100,000
3SLDBSOLID BIOSCIENCES INCSH$5.0M8.38%500,000
4DLRDIGITAL RLTY TR INCSH$4.5M7.53%25,000
5SYRESPYRE THERAPEUTICS INCSH$4.4M7.45%50,000
6ADTADT INC DELSH$3.9M6.55%600,000
7TNGXTANGO THERAPEUTICS INCSH$3.1M5.25%100,000
8CELC 0.25 08-01-32CELCUITY INCSH$2.8M4.76%2,500,000
9SMCI 7 06-01-29SUPER MICRO COMPUTER INCSH$2.6M4.36%50,000
10LEGNLEGEND BIOTECH CORPSH$2.5M4.14%85,385

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Read the 2026-Q2 quarterly report · 13F Filing Calendar

Frequently Asked Questions

What stocks does Monashee Investment Management LLC hold as of Q2 2026?

Monashee Investment Management LLC reported 23 positions worth $59.6M in its Q2 2026 13F filing. Largest positions: GOOGL 6.25 05-15-29 A (8.5%), GOOGL 6.25 05-15-29 B (8.4%), SLDB (8.4%), DLR (7.5%) and SYRE (7.5%).

What did Monashee Investment Management LLC buy in Q2 2026?

No previous quarter is available yet; the comparison appears with the next filing.

What did Monashee Investment Management LLC sell in Q2 2026?

No previous quarter is available yet.

13F data shows quarter-end positions, is delayed by up to 45 days and covers only long positions in US-listed securities; short positions, most derivatives and non-US assets are not reported.