Filed: 11/13/2025ACC: 0001104659-25-111284
📋 What this filing means
PORTOLAN CAPITAL MANAGEMENT, LLC filed this quarterly 13F‑HR report disclosing 119 equity positions with a total reported market value of $1.85B. This filing provides a transparent view of the manager's long equity holdings as of the quarter end.
119
Positions
$1.85B
Total AUM (reported)
86.85M
Total Shares
Allocation by class
COM$971.59M52.6%
COM CL A$141.97M7.7%
COM NEW$140.31M7.6%
CL A$119.80M6.5%
CL A NEW$71.83M3.9%
ORDINARY SHARES$44.84M2.4%
SHARES CL A$44.73M2.4%
Portfolio Concentration
Top 3$218.71M11.8%
4–10$364.82M19.7%
11–25$445.38M24.1%
Rest$819.12M44.3%
Top 3 weight
11.8%
Top 10 weight
31.6%
Voting Authority Distribution
Total shares with voting rights: 86.85M
Sole
Full voting authority
86.85M
shares
% of voting shares100.0%
Shared
Joint voting authority
0.00
shares
% of voting shares0.0%
None
No voting authority
0.00
shares
% of voting shares0.0%
Investment Discretion (by position count)
Sole119
Shared0
Other0
Dominant voting typeSole · 100.0% of voting shares
Institutional Holdings119
Rows:
MODINE MFG CO
SOLEShares602.46K
TypeSH
Market value$85.65M
4.63%
Sole
602.46K
Shared
0.00
None
0.00
TTM TECHNOLOGIES INC
SOLEShares1.19M
TypeSH
Market value$68.48M
3.71%
Sole
1.19M
Shared
0.00
None
0.00
E L F BEAUTY INC
SOLEShares487.52K
TypeSH
Market value$64.59M
3.49%
Sole
487.52K
Shared
0.00
None
0.00
DIGITALBRIDGE GROUP INC
SOLEShares5.47M
TypeSH
Market value$63.98M
3.46%
Sole
5.47M
Shared
0.00
None
0.00
CELESTICA INC
SOLEShares251.56K
TypeSH
Market value$61.98M
3.35%
Sole
251.56K
Shared
0.00
None
0.00
KRATOS DEFENSE &SEC SOLUTIO
SOLEShares596.11K
TypeSH
Market value$54.47M
2.95%
Sole
596.11K
Shared
0.00
None
0.00
SEMTECH CORP
SOLEShares668.86K
TypeSH
Market value$47.79M
2.59%
Sole
668.86K
Shared
0.00
None
0.00
AEROVIRONMENT INC
SOLEShares147.93K
TypeSH
Market value$46.58M
2.52%
Sole
147.93K
Shared
0.00
None
0.00
POWELL INDS INC
SOLEShares148.25K
TypeSH
Market value$45.19M
2.45%
Sole
148.25K
Shared
0.00
None
0.00
CELLEBRITE DI LTD
SOLEShares2.42M
TypeSH
Market value$44.84M
2.43%
Sole
2.42M
Shared
0.00
None
0.00
GENIUS SPORTS LIMITED
SOLEShares3.61M
TypeSH
Market value$44.73M
2.42%
Sole
3.61M
Shared
0.00
None
0.00
DOMO INC
SOLEShares2.68M
TypeSH
Market value$42.53M
2.30%
Sole
2.68M
Shared
0.00
None
0.00
TALEN ENERGY CORP
SOLEShares94.72K
TypeSH
Market value$40.29M
2.18%
Sole
94.72K
Shared
0.00
None
0.00
FLEX LTD
SOLEShares595.79K
TypeSH
Market value$34.54M
1.87%
Sole
595.79K
Shared
0.00
None
0.00
CASTLE BIOSCIENCES INC
SOLEShares1.52M
TypeSH
Market value$34.50M
1.87%
Sole
1.52M
Shared
0.00
None
0.00
CANADA GOOSE HLDGS INC
SOLEShares2.17M
TypeSH
Market value$29.98M
1.62%
Sole
2.17M
Shared
0.00
None
0.00
VISHAY PRECISION GROUP INC
SOLEShares823.30K
TypeSH
Market value$26.39M
1.43%
Sole
823.30K
Shared
0.00
None
0.00
PORCH GROUP INC
SOLEShares1.53M
TypeSH
Market value$25.75M
1.39%
Sole
1.53M
Shared
0.00
None
0.00
HONEST CO INC
SOLEShares6.93M
TypeSH
Market value$25.50M
1.38%
Sole
6.93M
Shared
0.00
None
0.00
I3 VERTICALS INC
SOLEShares747.66K
TypeSH
Market value$24.27M
1.31%
Sole
747.66K
Shared
0.00
None
0.00
THE REAL BROKERAGE INC
SOLEShares5.77M
TypeSH
Market value$24.12M
1.30%
Sole
5.77M
Shared
0.00
None
0.00
TOWER SEMICONDUCTOR LTD
SOLEShares327.31K
TypeSH
Market value$23.66M
1.28%
Sole
327.31K
Shared
0.00
None
0.00
OPERA LTD
SOLEShares1.12M
TypeSH
Market value$23.20M
1.26%
Sole
1.12M
Shared
0.00
None
0.00
QUANTERIX CORP
SOLEShares4.26M
TypeSH
Market value$23.13M
1.25%
Sole
4.26M
Shared
0.00
None
0.00
NLIGHT INC
SOLEShares769.79K
TypeSH
Market value$22.81M
1.23%
Sole
769.79K
Shared
0.00
None
0.00
| Issuer | Class | Shares | Type | Value / Portfolio % | Voting — Sole | Shared | None |
|---|---|---|---|---|---|---|---|
MODINE MFG COSOLE | COM | 602.46K | SH | $85.65M 4.63% | 602.46K | 0.00 | 0.00 |
TTM TECHNOLOGIES INCSOLE | COM | 1.19M | SH | $68.48M 3.71% | 1.19M | 0.00 | 0.00 |
E L F BEAUTY INCSOLE | COM | 487.52K | SH | $64.59M 3.49% | 487.52K | 0.00 | 0.00 |
DIGITALBRIDGE GROUP INCSOLE | CL A NEW | 5.47M | SH | $63.98M 3.46% | 5.47M | 0.00 | 0.00 |
CELESTICA INCSOLE | COM | 251.56K | SH | $61.98M 3.35% | 251.56K | 0.00 | 0.00 |
KRATOS DEFENSE &SEC SOLUTIOSOLE | COM NEW | 596.11K | SH | $54.47M 2.95% | 596.11K | 0.00 | 0.00 |
SEMTECH CORPSOLE | COM | 668.86K | SH | $47.79M 2.59% | 668.86K | 0.00 | 0.00 |
AEROVIRONMENT INCSOLE | COM | 147.93K | SH | $46.58M 2.52% | 147.93K | 0.00 | 0.00 |
POWELL INDS INCSOLE | COM | 148.25K | SH | $45.19M 2.45% | 148.25K | 0.00 | 0.00 |
CELLEBRITE DI LTDSOLE | ORDINARY SHARES | 2.42M | SH | $44.84M 2.43% | 2.42M | 0.00 | 0.00 |
GENIUS SPORTS LIMITEDSOLE | SHARES CL A | 3.61M | SH | $44.73M 2.42% | 3.61M | 0.00 | 0.00 |
DOMO INCSOLE | COM CL B | 2.68M | SH | $42.53M 2.30% | 2.68M | 0.00 | 0.00 |
TALEN ENERGY CORPSOLE | COM | 94.72K | SH | $40.29M 2.18% | 94.72K | 0.00 | 0.00 |
FLEX LTDSOLE | ORD | 595.79K | SH | $34.54M 1.87% | 595.79K | 0.00 | 0.00 |
CASTLE BIOSCIENCES INCSOLE | COM | 1.52M | SH | $34.50M 1.87% | 1.52M | 0.00 | 0.00 |
CANADA GOOSE HLDGS INCSOLE | SHS SUB VTG | 2.17M | SH | $29.98M 1.62% | 2.17M | 0.00 | 0.00 |
VISHAY PRECISION GROUP INCSOLE | COM | 823.30K | SH | $26.39M 1.43% | 823.30K | 0.00 | 0.00 |
PORCH GROUP INCSOLE | COM | 1.53M | SH | $25.75M 1.39% | 1.53M | 0.00 | 0.00 |
HONEST CO INCSOLE | COM | 6.93M | SH | $25.50M 1.38% | 6.93M | 0.00 | 0.00 |
I3 VERTICALS INCSOLE | COM CL A | 747.66K | SH | $24.27M 1.31% | 747.66K | 0.00 | 0.00 |
THE REAL BROKERAGE INCSOLE | COM NEW | 5.77M | SH | $24.12M 1.30% | 5.77M | 0.00 | 0.00 |
TOWER SEMICONDUCTOR LTDSOLE | SHS NEW | 327.31K | SH | $23.66M 1.28% | 327.31K | 0.00 | 0.00 |
OPERA LTDSOLE | SPONSORED ADS | 1.12M | SH | $23.20M 1.26% | 1.12M | 0.00 | 0.00 |
QUANTERIX CORPSOLE | COM | 4.26M | SH | $23.13M 1.25% | 4.26M | 0.00 | 0.00 |
NLIGHT INCSOLE | COM | 769.79K | SH | $22.81M 1.23% | 769.79K | 0.00 | 0.00 |
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