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NANO CAP NEW MILLENNIUM GROWTH FUND L P — 13F Holdings & Portfolio

CIK 1277890 · latest 13F-HR filed 2026-08-14

Backtest portfolio

NANO CAP NEW MILLENNIUM GROWTH FUND L P manages $130.0M in 13F-reported U.S. long-equity assets across 135 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are SILC (6.88%), SPT (3.57%), SMWB (3.06%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 13 new positions and exited 23; 81 existing positions rose in reported value and 29 fell.

AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.

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AUM
$130.0M

Long-equity book

Holdings
135

Distinct positions

Period
2026-06-30

Filed 2026-08-14

Q/Q Activity
+13 / −23 / ↑81 / ↓29

vs 2026-03-31

Portfolio charts

Latest quarter's book, what changed, and how the portfolio has evolved across filings.

Portfolio map

Q2 26
SILC6.9% · -2%SPT3.6% · +15%SMWB3.1% · +67%KWEB2.5% · +20%THRM2.5% · -5%XGN2.4% · +15%OOMA2.3% · -8%U2.2% · -14%TOST1.8% · +24%GDRX1.6% · 0%PSNL1.6% · -33%TBLA1.6% · -18%BAND1.6% · -76%GRVY1.5% · +20%EGHT1.5% · +125%DSP1.5% · +62%LTRX1.4% · +11%ZS1.3% · +22%TTWO1.3% · -4%CERT1.3% · +49%SIBN1.3% · +21%INMD1.2% · +3%MBLY1.2% · +121%MGNI1.2% · +16%HUBS1.2% · +38%CRM1.1% · newTDOC1.1% · 0%MXCT1.1% · +20%BIO1.1% · +11%RDCM1.1% · -2%AIRG1.1% · -11%SHAK1.1% · +85%SEER1.1% · 0%CMRC1.0% · +29%ODD1.0% · +35%ZM1.0% · +7%NOW1.0% · +420%SSYS1.0% · +20%DOCN1.0% · -70%SDGR0.9% · +50%BABA0.9% · +19%PATH0.9% · +69%TRLV0.9% · newBIDU0.9% · +2%ERBB0.9% · newCRSP0.9% · 0%VRNO0.8% · -70%MTD0.8% · +33%TMO0.8% · +167%NXDR0.7% · -2%MASS0.7% · -10%LFUS0.7% · -38%RSKD0.7% · 0%HBIO0.7% · +22%PERI0.7% · +50%PD0.7% · +3%BARK0.7% · -5%JANX0.7% · +42%DQ0.7% · +1170%WEED0.6% · 0%

Box size = position value; colour = change in share count vs the prior quarter (green added, red trimmed, blue new). Rows split across managers or share classes are combined. Click a box for the stock.

Sector mix

% of 13F value

Sectors from each company's SIC code; funds and ETFs grouped separately.

Biggest buys and sells

Q1 26 → Q2 26

Estimated from the change in shares held × the quarter-end price, so price moves alone don't count as buying. New and exited positions are included.

13F assets and positions

3 quarters

Total reported 13F value (bars) and number of positions (line) each quarter. Value changes include market moves.

Top positions over time

reported value

The eight largest current positions, valued at each quarter end.

Concentration

top 10 = 28.9%

Cumulative share of the portfolio held in the largest N positions.

Firm Profile & Key People

Name Title / Status Ownership Type

Quarter-over-quarter changes

Changes in reported position value vs the prior 13F, so price moves count too, not just shares bought or sold.

Top Adds (vs prior quarter)

Show all 81 →

Top Trims

Show all 29 →

New Positions

Show all 13 →

Exited Positions

Show all 23 →

NANO CAP NEW MILLENNIUM GROWTH FUND L P Holdings (2026-06-30)

Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).

# Issuer Symbol CUSIP Value Weight Shares Type
1 Silicom Ltd. SILC M84116108 $8.9M 6.88% 186,500 SH
2 Sprout Social, Inc. SPT 85209W109 $4.6M 3.57% 615,000 SH
3 SimilarWeb Ltd. SMWB M84137104 $4.0M 3.06% 650,000 SH
4 KraneShares CSI China Internet Fund KWEB 500767306 $3.3M 2.55% 135,500 SH
5 Gentherm Inc. THRM 37253A103 $3.2M 2.49% 95,000 SH
6 Exagen Inc. XGN 30068X103 $3.1M 2.41% 675,000 SH
7 Ooma, Inc. OOMA 683416101 $3.0M 2.29% 155,000 SH
8 Unity Software Inc. U 91332U101 $2.9M 2.20% 100,000 SH
9 Toast, Inc. TOST 888787108 $2.3M 1.80% 84,000 SH
10 GoodRx Holdings, Inc. GDRX 38246G108 $2.1M 1.64% 740,000 SH
11 Personalis, Inc. PSNL 71535D106 $2.1M 1.62% 157,500 SH
12 Taboola.com Ltd. TBLA M8744T106 $2.1M 1.61% 420,000 SH
13 Bandwidth Inc. BAND 05988J103 $2.1M 1.58% 32,500 SH
14 Gravity Co. Ltd. GRVY 38911N206 $2.0M 1.55% 30,000 SH
15 8x8, Inc. EGHT 282914100 $1.9M 1.48% 1,125,000 SH
16 Viant Technology Inc. DSP 92557A101 $1.9M 1.46% 150,000 SH
17 Lantronix Inc. LTRX 516548203 $1.8M 1.38% 305,000 SH
18 Zscaler Inc ZS 98980G102 $1.7M 1.33% 12,250 SH
19 Take-Two Interactive Software Inc. TTWO 874054109 $1.7M 1.30% 6,750 SH
20 Certara Inc. CERT 15687V109 $1.6M 1.26% 250,000 SH
21 SI-BONE, Inc. SIBN 825704109 $1.6M 1.26% 100,000 SH
22 InMode Ltd. INMD M5425M103 $1.6M 1.23% 109,500 SH
23 Mobileye Global Inc. MBLY 60741F104 $1.5M 1.19% 160,000 SH
24 Magnite, Inc. MGNI 55955D100 $1.5M 1.19% 81,500 SH
25 HubSpot, Inc. HUBS 443573100 $1.5M 1.16% 8,250 SH
26 Salesforce Inc. CRM 79466L302 $1.5M 1.14% 9,500 SH
27 Teledoc Health TDOC 87918A105 $1.5M 1.14% 175,000 SH
28 MaxCyte, Inc. MXCT 57777K106 $1.5M 1.14% 1,200,000 SH
29 Bio-Rad Laboratories Inc BIO 090572207 $1.5M 1.13% 5,000 SH
30 RADCOM Ltd. RDCM M81865111 $1.4M 1.08% 100,000 SH
31 Airgain Inc. AIRG 00938A104 $1.4M 1.08% 222,500 SH
32 Shake Shack Inc. SHAK 819047101 $1.4M 1.08% 25,000 SH
33 Seer Inc. SEER 81578P106 $1.4M 1.05% 825,000 SH
34 Commerce.com CMRC 08975P108 $1.3M 1.04% 455,000 SH
35 Oddity Tech Ltd. ODD M7518J104 $1.3M 1.02% 87,500 SH
36 Zoom Video Communications ZM 98980L101 $1.3M 1.00% 15,000 SH
37 ServiceNow NOW 81762P102 $1.3M 0.99% 13,000 SH
38 Stratasys Ltd. SSYS M85548101 $1.3M 0.99% 150,000 SH
39 Digitalocean Holdings Inc. DOCN 25402D102 $1.3M 0.97% 8,000 SH
40 Schrodinger LLC SDGR 80810D103 $1.2M 0.94% 75,000 SH
41 Alibaba Group Holding Limited BABA 01609W102 $1.2M 0.92% 12,500 SH
42 UiPath, Inc. PATH 90364P105 $1.2M 0.92% 110,000 SH
43 Trulieve Cannabis Corp. TRLV 89788C104 $1.2M 0.91% 120,000 SH
44 Baidu Inc. BIDU 056752108 $1.2M 0.90% 10,250 SH
45 Green Thumb Industries Inc. GTBIF 39342L108 $1.1M 0.87% 142,500 SH
46 CRISP Therapeutics AG CRSP H17182108 $1.1M 0.86% 20,500 SH
47 Verano Holdings Corp. VRNO 92339H101 $1.0M 0.80% 160,000 SH
48 Mettler-Toledo International Inc. MTD 592688105 $1.0M 0.79% 800 SH
49 Thermo Fisher Scientific Inc. TMO 883556102 $1.0M 0.77% 2,000 SH
50 Nextdoor Holdings, Inc. NXDR 65345M108 $952.7K 0.73% 419,700 SH
Filing History
Period Filed AUM Holdings Accession
2026-06-30 2026-08-14 $130.0M 135 0001277890-26-000004
2026-03-31 2026-05-15 $107.0M 145 0001277890-26-000003
2025-12-31 2026-02-06 $117.2M 181 0001277890-26-000001
Filer Information
Address
10 ELMHURST AVENUE
STATEN ISLAND, NY 10301
Phone
(718) 477-6464
Filing Manager
NANO CAP NEW MILLENNIUM GROWTH FUND L P
STATEN ISLAND, NY
Signatory
Ailon Z. Grushkin
Managing Member of the General Partner