Monashee Investment Management LLC

CIK 1627608 · View on SEC EDGAR ↗

Portfolio value
$59.6M
#8,650 of 9,443 by 13F value · top 91.6%
Positions
23
As of
June 30, 2026

Portfolio value QoQ: -67.6% 13F does not disclose cash

Top 10 holdings weight
65.41%
Top 25 holdings weight
100.00%
Positions above 1%
23
Effective number of positions
18.1

Based on 13F long-equity holdings only (cash, bonds, shorts not disclosed)

Turnover Q2 2026: 41.65% Est. buys $50,688,126 · sells $149,925,077

Median holding: 1.0 quarters Tracked Q4 2024–Q2 2026 · 9.7% still held

New positions
21
Increased
0
Decreased
2
Closed
37
On this page

Sector breakdown

Healthcare
35.3%
Real Estate
10.5%
Communication Services
7.2%
Diversified Consumer Services
6.5%
Retail
2.7%
Other/Unmapped
37.7%

Full portfolio 23 positions

Type Streak 8Q trend
Unknown issuer (CUSIP: 02079K404) $5,089,000 8.54% 100,000 Up ×1
Unknown issuer (CUSIP: 02079K602) $5,030,000 8.44% 100,000 Up ×1
SLDB Solid Biosciences Inc. - Common Stock $4,995,000 8.38% 500,000 $-5,231,124 Down ×1
DLR Digital Realty Trust, Inc. Common Stock $4,489,500 7.53% 25,000 Up ×1
SYRE Spyre Therapeutics, Inc. - Common Stock $4,439,000 7.45% 50,000 Up ×1
ADT ADT Inc. Common Stock $3,900,000 6.55% 600,000 $-699,000 Down ×1
TNGX Tango Therapeutics, Inc. - Common Stock $3,126,000 5.25% 100,000 Up ×1
Unknown issuer (CUSIP: 15102KAB6) $2,839,025 4.76% 2,500,000 Up ×1
Unknown issuer (CUSIP: 86800U500) $2,598,000 4.36% 50,000 Up ×1
LEGN Legend Biotech Corporation - American Depositary Shares $2,465,919 4.14% 85,385 Up ×1
GOOGL Alphabet Inc. - Class A Common Stock $2,144,220 3.60% 6,000 Up ×1
GOOG Alphabet Inc. - Class C Capital Stock $2,119,980 3.56% 6,000 Up ×1
QURE uniQure N.V. - Ordinary Shares $2,072,700 3.48% 45,000
Unknown issuer (CUSIP: N52A8C105) $1,884,558 3.16% 47,650 Up ×1
AKR Acadia Realty Trust Common Stock $1,785,400 3.00% 85,385 Up ×1
PTRN Pattern Group Inc. - Series A Common Stock $1,613,142 2.71% 64,039
Unknown issuer (CUSIP: 74623VAD5) $1,534,650 2.58% 1,500,000 Up ×1
MLTX MoonLake Immunotherapeutics - Class A Ordinary Shares $1,460,250 2.45% 75,000 Up ×1
Unknown issuer (CUSIP: 96524T101) $1,425,274 2.39% 51,232 Up ×1
TSHA Taysha Gene Therapies, Inc. - Common Stock $1,362,000 2.29% 200,000 Up ×1
IMA ImageneBio, Inc. - Common Stock $1,134,830 1.90% 192,344
Unknown issuer (CUSIP: 67080NAA9) $1,056,450 1.77% 1,000,000 Up ×1
Unknown issuer (CUSIP: 485925101) $1,018,228 1.71% 42,693 Up ×1

Biggest new bets

New positions opened this quarter, largest first.

Security Value Shares % of portfolio
Unknown issuer (CUSIP: 02079K404) $5,089,000 100,000 8.54%
Unknown issuer (CUSIP: 02079K602) $5,030,000 100,000 8.44%
DLR $4,489,500 25,000 7.53%
SYRE $4,439,000 50,000 7.45%
TNGX $3,126,000 100,000 5.25%
Unknown issuer (CUSIP: 15102KAB6) $2,839,025 2,500,000 4.76%
Unknown issuer (CUSIP: 86800U500) $2,598,000 50,000 4.36%
LEGN $2,465,919 85,385 4.14%
GOOGL $2,144,220 6,000 3.60%
GOOG $2,119,980 6,000 3.56%
QURE $2,072,700 45,000 3.48%
Unknown issuer (CUSIP: N52A8C105) $1,884,558 47,650 3.16%
AKR $1,785,400 85,385 3.00%
PTRN $1,613,142 64,039 2.71%
Unknown issuer (CUSIP: 74623VAD5) $1,534,650 1,500,000 2.58%

Top movers (QoQ)

Security Action Shares Δ Value Δ
SLDB Trimmed -920K -$5.2M
ADT Trimmed -100K -$699K

Exited positions

Includes corporate events (mergers, delistings) — not all exits are sells

Closed positions reflect 13F reporting changes; for index managers these are often mechanical (delisting, M&A, index rebalancing), not active decisions.

SecurityQuarter Shares before Value before Price since exit
IVV June 30, 2025 287,110 $161,327,109 No longer tracked
VOO June 30, 2025 313,010 $160,858,969 No longer tracked
VEA June 30, 2025 1,832,100 $93,125,643 No longer tracked
IEFA June 30, 2025 941,680 $71,238,092 No longer tracked
VWO June 30, 2025 1,126,060 $50,965,476 No longer tracked
IEMG June 30, 2025 807,100 $43,559,187 No longer tracked
ITOT June 30, 2025 211,260 $25,775,833 No longer tracked
VTI June 30, 2025 93,660 $25,741,514 No longer tracked
PRMB June 30, 2025 560,000 $19,874,400 -21.9%
AJG March 31, 2025 70,000 $19,869,500 -24.7%
QXO Sept. 30, 2025 800,000 $17,232,000 -28.3%
BRO Sept. 30, 2025 150,000 $16,630,500 -23.2%
AEP June 30, 2025 150,000 $16,390,500 19.0%
TERN June 30, 2026 300,000 $15,816,000 No longer tracked
LLY Sept. 30, 2025 20,000 $15,590,600 63.8%
MDLN June 30, 2026 300,000 $13,350,000 -16.4%
ETR June 30, 2025 150,000 $12,823,500 28.7%
SARO June 30, 2025 480,000 $12,787,200 -19.3%
NRG June 30, 2026 85,000 $12,421,900 -21.6%
CORZ Sept. 30, 2025 700,000 $11,949,000 6.3%
KTOS Sept. 30, 2025 250,000 $11,612,500 -36.3%
PRCH June 30, 2025 1,550,000 $11,299,500 41.5%
SLDB Sept. 30, 2025 2,165,000 $10,543,550 52.7%
SOFI March 31, 2026 400,000 $10,472,000 17.5%
FWDI Dec. 31, 2025 405,406 $10,366,231 -17.4%
GLXY Sept. 30, 2025 470,000 $10,293,000 -26.0%
ULS March 31, 2026 130,000 $10,251,800 -12.7%
FPS June 30, 2026 350,000 $10,244,500 -39.5%
TTAN Sept. 30, 2025 95,000 $10,182,100 -9.5%
WAY June 30, 2025 250,000 $9,340,000 -39.4%
LB June 30, 2025 124,937 $8,987,968 30.9%
INSM March 31, 2026 50,000 $8,702,000 -23.3%
ACHR Sept. 30, 2025 800,000 $8,680,000 -35.6%
CHWY Sept. 30, 2025 200,000 $8,524,000 -41.4%
KDP June 30, 2025 240,000 $8,212,800 -3.7%
SOC March 31, 2025 345,000 $7,900,500 -78.8%
MIAX March 31, 2026 175,000 $7,766,500 10.1%
FIGR Dec. 31, 2025 200,000 $7,274,000 -5.1%
NKTR June 30, 2026 100,000 $7,195,000 7.6%
BA March 31, 2025 40,000 $7,080,000 25.8%
NTSK Dec. 31, 2025 300,000 $6,819,000 -19.9%
RIOT Sept. 30, 2025 600,000 $6,780,000 15.2%
CYTK June 30, 2026 100,000 $6,591,000 -9.1%
AMTM June 30, 2025 360,000 $6,552,000 -11.4%
CRBG Dec. 31, 2025 200,000 $6,410,000 6.0%
ABX March 31, 2025 810,000 $6,342,300 24.0%
FG June 30, 2025 175,000 $6,308,750 -27.5%
LTM Dec. 31, 2025 135,000 $6,108,750 -6.0%
WBI Dec. 31, 2025 240,000 $6,052,800 62.3%
TMUS Sept. 30, 2025 25,000 $5,956,500 -23.6%
LGN March 31, 2026 137,940 $5,936,938 6.8%
IMNM March 31, 2026 274,861 $5,904,014 31.3%
SCHW June 30, 2025 75,000 $5,871,000 21.9%
WAY Dec. 31, 2025 150,000 $5,688,000 -24.4%
ITT March 31, 2026 32,067 $5,563,945 10.1%
CRWV June 30, 2025 150,000 $5,562,000 -44.8%
OMDA Sept. 30, 2025 300,000 $5,490,000 6.9%
KKRPRD June 30, 2025 108,888 $5,379,067 No longer tracked
PPLCU June 30, 2026 101,300 $5,241,769 No longer tracked
COMP June 30, 2025 600,000 $5,238,000 86.1%
ETOR Sept. 30, 2025 77,500 $5,160,725 -25.8%
MMYT Sept. 30, 2025 52,500 $5,146,050 -35.0%
OKLO Sept. 30, 2025 90,000 $5,039,100 -61.5%
BBIO June 30, 2026 67,139 $4,985,742 11.0%
AS June 30, 2025 175,000 $4,677,750 -16.3%
QXOPRB Sept. 30, 2025 75,000 $4,649,250 No longer tracked
KKR June 30, 2025 40,000 $4,624,400 -18.3%
VERX Sept. 30, 2025 130,000 $4,593,550 -46.8%
NEEPRT June 30, 2025 100,000 $4,555,000 No longer tracked
ORCLPRD June 30, 2026 100,000 $4,501,000 No longer tracked
BTBT Dec. 31, 2025 1,500,000 $4,500,000 -9.5%
NBIS Dec. 31, 2025 40,000 $4,490,800 172.8%
ACHR March 31, 2025 446,240 $4,350,840 -13.3%
LUNR March 31, 2025 235,000 $4,267,600 147.7%
SFD Dec. 31, 2025 180,000 $4,226,400 -0.5%
NWS Dec. 31, 2025 120,000 $4,146,000 15.6%
EVMN June 30, 2026 179,340 $4,123,027 5.6%
WLTH March 31, 2026 300,000 $4,077,000 0.6%
RDW Sept. 30, 2025 250,000 $4,075,000 33.3%
INSM Sept. 30, 2025 40,000 $4,025,600 -12.9%
KKRPRD June 30, 2026 100,000 $4,022,000 No longer tracked
FOX Dec. 31, 2025 70,000 $4,010,300 -6.2%
VIK June 30, 2025 100,000 $3,975,000 72.3%
SOMN March 31, 2026 75,877 $3,821,166 -4.8%
BRKRP Dec. 31, 2025 14,000 $3,805,200 18.7%
MCHPP June 30, 2025 75,000 $3,774,750 -1.8%
ASTS June 30, 2026 45,000 $3,729,150 -23.4%
KYMR Sept. 30, 2025 85,000 $3,709,400 117.4%
LMAT March 31, 2025 40,000 $3,685,600 -2.5%
KLAR Dec. 31, 2025 100,000 $3,665,000 -50.6%
MRX Sept. 30, 2025 90,000 $3,552,300 111.6%
AAPG June 30, 2025 159,942 $3,510,727 -56.4%
HUMA June 30, 2025 2,000,000 $3,410,000 -67.4%
STUB Dec. 31, 2025 200,000 $3,368,000 -49.2%
VIA Dec. 31, 2025 70,000 $3,365,600 -8.5%
BTSG Sept. 30, 2025 140,000 $3,302,600 104.4%
BLSH Dec. 31, 2025 50,000 $3,180,500 -20.1%
TEM Sept. 30, 2025 50,000 $3,177,000 -17.7%
SNDK June 30, 2026 5,000 $3,176,700 -29.4%
MANE June 30, 2026 50,000 $3,157,500 -14.8%
GOSS March 31, 2026 1,000,000 $3,100,000 -53.3%
NOVTU March 31, 2026 55,962 $3,076,791 15.7%
CCC Sept. 30, 2025 325,000 $3,058,250 -18.8%
OWL June 30, 2025 150,000 $3,006,000 -39.8%
BAPRA June 30, 2025 50,000 $2,991,500 No longer tracked
ZBIO June 30, 2026 150,000 $2,932,500 25.7%
KYMR June 30, 2026 35,100 $2,923,479 7.3%
AKBA June 30, 2025 1,500,000 $2,880,000 -74.7%
AER March 31, 2025 30,000 $2,871,000 43.6%
CWAN June 30, 2025 105,000 $2,814,000 No longer tracked
LMRI March 31, 2026 150,000 $2,775,000 38.1%
NBIS March 31, 2025 100,000 $2,770,000 981.7%
SLDE Dec. 31, 2025 175,000 $2,762,375 18.0%
CRWV Dec. 31, 2025 20,000 $2,737,000 25.8%
CRCL Dec. 31, 2025 20,000 $2,651,600 16.0%
AMBQ June 30, 2026 103,756 $2,636,440 -33.7%
AUR Sept. 30, 2025 500,000 $2,620,000 14.3%
FIGR June 30, 2026 76,520 $2,597,854 26.1%
FIG Dec. 31, 2025 50,000 $2,593,500 -28.1%
LTH Sept. 30, 2025 85,000 $2,578,050 62.5%
PCGPRX March 31, 2025 51,275 $2,552,982 No longer tracked
VOYG Sept. 30, 2025 65,000 $2,551,250 32.0%
SGP June 30, 2026 95,000 $2,461,450 19.5%
HNGE Dec. 31, 2025 50,000 $2,454,000 87.6%
SMCI Sept. 30, 2025 50,000 $2,450,500 -22.4%
GPCR June 30, 2026 50,000 $2,410,000 -5.3%
BRCB Dec. 31, 2025 100,000 $2,386,000 -59.8%
CRSP June 30, 2026 50,000 $2,378,500 9.2%
CRGY March 31, 2025 160,000 $2,337,600 24.2%
QURE Dec. 31, 2025 40,000 $2,334,800 106.6%
INGM June 30, 2026 100,000 $2,331,000 1.0%
MIR Dec. 31, 2025 100,000 $2,326,000 -35.0%
UUUU Dec. 31, 2025 150,000 $2,302,500 No longer tracked
QFIN June 30, 2025 50,000 $2,245,500 -73.6%
DYN March 31, 2026 114,525 $2,240,109 45.6%
RBRK Sept. 30, 2025 25,000 $2,239,750 17.2%
GFS June 30, 2026 50,000 $2,224,000 -42.4%
CHYM Dec. 31, 2025 110,000 $2,218,700 27.7%
KARO Sept. 30, 2025 45,000 $2,204,100 10.7%
ENGN June 30, 2026 320,000 $2,179,200 3.8%
RNA Dec. 31, 2025 50,000 $2,178,500 -81.8%
IMRX Dec. 31, 2025 300,000 $2,100,000 -18.5%
CTRE Dec. 31, 2025 60,000 $2,080,800 9.8%
MUX June 30, 2025 275,000 $2,076,250 114.2%
CAEP Dec. 31, 2025 200,000 $2,064,000 No longer tracked
FLOC June 30, 2026 100,000 $2,060,000 6.3%
PTRN Dec. 31, 2025 150,000 $2,055,000 73.9%
AERO March 31, 2026 91,619 $2,011,953 -4.4%
EVACU March 31, 2026 198,313 $2,004,944 No longer tracked
EVGO March 31, 2025 490,000 $1,984,500 -43.8%
SRRK March 31, 2025 45,000 $1,944,900 71.4%
KGS March 31, 2025 47,189 $1,926,727 63.0%
AIRO Dec. 31, 2025 100,000 $1,920,000 3.4%
ONDS Sept. 30, 2025 1,000,000 $1,920,000 12.8%
SABS June 30, 2026 500,000 $1,915,000 -4.4%
CIFR Dec. 31, 2025 150,000 $1,888,500 19.4%
ACRS June 30, 2026 500,000 $1,875,000 20.5%
KYTX March 31, 2026 195,000 $1,833,000 -3.9%
CTRI Sept. 30, 2025 80,000 $1,795,200 3.0%
MLYS June 30, 2025 112,457 $1,785,817 92.0%
CAI Sept. 30, 2025 65,000 $1,736,800 -17.6%
IMTX March 31, 2026 160,336 $1,683,528 -10.5%
GME June 30, 2025 75,000 $1,674,000 -25.7%
ED June 30, 2025 15,000 $1,658,850 7.6%
CTNM March 31, 2026 137,430 $1,570,825 22.5%
KRT Sept. 30, 2025 55,000 $1,548,800 87.3%
DNLI March 31, 2026 91,620 $1,512,646 31.0%
HNRG June 30, 2026 90,000 $1,465,200 -8.2%
NVGS June 30, 2026 75,000 $1,449,750 20.0%
GEMI Dec. 31, 2025 60,000 $1,437,600 -53.8%
HLXC June 30, 2026 137,113 $1,393,068 2.0%
PEPG Dec. 31, 2025 300,000 $1,386,000 -51.8%
CMPX June 30, 2026 258,865 $1,369,396 10.3%
ACRS June 30, 2025 888,888 $1,359,999 348.7%
CEPT Dec. 31, 2025 127,971 $1,344,975 No longer tracked
NAMS March 31, 2025 50,000 $1,285,000 36.8%
BTGO June 30, 2026 150,000 $1,234,500 37.8%
COHR June 30, 2026 5,000 $1,191,050 -23.7%
AIRS Sept. 30, 2025 245,538 $1,185,949 -66.3%
VERA March 31, 2026 22,905 $1,159,909 -21.3%
KVYO Dec. 31, 2025 40,000 $1,107,600 -44.8%
HLLY Dec. 31, 2025 350,000 $1,099,000 -24.6%
LPTH March 31, 2026 100,000 $1,080,000 33.6%
SITM Sept. 30, 2025 5,000 $1,065,400 108.9%
CGON March 31, 2025 36,872 $1,057,489 219.5%
CEPF Dec. 31, 2025 100,000 $1,018,500 1.1%
SNDK Sept. 30, 2025 22,033 $999,197 1330.5%
TATT Sept. 30, 2025 31,937 $975,356 -16.2%
WYFI June 30, 2026 80,000 $952,800 -44.1%
NIQ Dec. 31, 2025 60,000 $942,000 10.2%
RIG Dec. 31, 2025 300,000 $936,000 46.0%
VIR June 30, 2026 100,000 $896,000 -7.7%
SEI March 31, 2025 30,000 $863,400 154.4%
TTAN March 31, 2025 7,500 $771,525 -4.0%
BDSX March 31, 2026 112,344 $763,939 68.5%
MH Dec. 31, 2025 60,000 $753,000 -23.1%
TARA March 31, 2026 125,000 $666,250 -24.8%
IMA March 31, 2026 91,621 $632,185 16.5%
LBRX Dec. 31, 2025 40,000 $631,600 116.1%
NRGV June 30, 2026 176,453 $582,295 -18.7%
BDSXXXXX Sept. 30, 2025 2,000,000 $564,400 No longer tracked
CARL Dec. 31, 2025 40,000 $535,600 30.5%
IBIO March 31, 2026 274,862 $530,484 -21.6%
SI Dec. 31, 2025 40,000 $502,000 54.5%
MDXH March 31, 2025 208,000 $492,960 -49.2%
AMLX Dec. 31, 2025 30,000 $407,604 236.3%
JCAP Sept. 30, 2025 10,000 $184,500 30.4%
FCRSU Dec. 31, 2025 10,000 $106,000 No longer tracked
MSLE June 30, 2026 12,000 $67,560 31.0%
SRZNW Sept. 30, 2025 30,129 $545 No longer tracked