Filed: 8/13/2025ACC: 0001104659-25-077571
📋 What this filing means
PORTOLAN CAPITAL MANAGEMENT, LLC filed this quarterly 13F‑HR report disclosing 118 equity positions with a total reported market value of $1.59B. This filing provides a transparent view of the manager's long equity holdings as of the quarter end.
118
Positions
$1.59B
Total AUM (reported)
78.68M
Total Shares
Allocation by class
COM$927.93M58.2%
CL A$129.66M8.1%
COM CL A$110.35M6.9%
COM NEW$88.37M5.5%
SHARES CL A$42.50M2.7%
SPONSORED ADS$40.87M2.6%
ORD SHS$36.89M2.3%
Portfolio Concentration
Top 3$205.60M12.9%
4–10$298.76M18.7%
11–25$363.79M22.8%
Rest$726.81M45.6%
Top 3 weight
12.9%
Top 10 weight
31.6%
Voting Authority Distribution
Total shares with voting rights: 78.68M
Sole
Full voting authority
78.68M
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)
Sole118
Shared0
Other0
Dominant voting typeSole · 100.0% of voting shares
Institutional Holdings118
Rows:
CELESTICA INC
SOLEShares549.59K
TypeSH
Market value$85.80M
5.38%
Sole
549.59K
Shared
0.00
None
0.00
KRATOS DEFENSE &SEC SOLUTIO
SOLEShares1.33M
TypeSH
Market value$61.71M
3.87%
Sole
1.33M
Shared
0.00
None
0.00
E L F BEAUTY INC
SOLEShares466.84K
TypeSH
Market value$58.09M
3.64%
Sole
466.84K
Shared
0.00
None
0.00
AEROVIRONMENT INC
SOLEShares178.82K
TypeSH
Market value$50.95M
3.19%
Sole
178.82K
Shared
0.00
None
0.00
MODINE MFG CO
SOLEShares492.32K
TypeSH
Market value$48.49M
3.04%
Sole
492.32K
Shared
0.00
None
0.00
TTM TECHNOLOGIES INC
SOLEShares1.12M
TypeSH
Market value$45.89M
2.88%
Sole
1.12M
Shared
0.00
None
0.00
SHIFT4 PMTS INC
SOLEShares435.18K
TypeSH
Market value$43.13M
2.70%
Sole
435.18K
Shared
0.00
None
0.00
GENIUS SPORTS LIMITED
SOLEShares4.09M
TypeSH
Market value$42.50M
2.66%
Sole
4.09M
Shared
0.00
None
0.00
POWELL INDS INC
SOLEShares170.56K
TypeSH
Market value$35.89M
2.25%
Sole
170.56K
Shared
0.00
None
0.00
DIGITALBRIDGE GROUP INC
SOLEShares3.08M
TypeSH
Market value$31.90M
2.00%
Sole
3.08M
Shared
0.00
None
0.00
HONEST CO INC
SOLEShares6.22M
TypeSH
Market value$31.65M
1.98%
Sole
6.22M
Shared
0.00
None
0.00
CASTLE BIOSCIENCES INC
SOLEShares1.49M
TypeSH
Market value$30.42M
1.91%
Sole
1.49M
Shared
0.00
None
0.00
PORCH GROUP INC
SOLEShares2.44M
TypeSH
Market value$28.80M
1.81%
Sole
2.44M
Shared
0.00
None
0.00
VISHAY PRECISION GROUP INC
SOLEShares990.44K
TypeSH
Market value$27.83M
1.74%
Sole
990.44K
Shared
0.00
None
0.00
I3 VERTICALS INC
SOLEShares961.62K
TypeSH
Market value$26.43M
1.66%
Sole
961.62K
Shared
0.00
None
0.00
LUXEXPERIENCE BV
SOLEShares3.06M
TypeSH
Market value$24.30M
1.52%
Sole
3.06M
Shared
0.00
None
0.00
QUANTERIX CORP
SOLEShares3.63M
TypeSH
Market value$24.16M
1.52%
Sole
3.63M
Shared
0.00
None
0.00
FLEX LTD
SOLEShares480.60K
TypeSH
Market value$23.99M
1.50%
Sole
480.60K
Shared
0.00
None
0.00
SLM CORP
SOLEShares710.29K
TypeSH
Market value$23.29M
1.46%
Sole
710.29K
Shared
0.00
None
0.00
DRAFTKINGS INC NEW
SOLEShares490.55K
TypeSH
Market value$21.04M
1.32%
Sole
490.55K
Shared
0.00
None
0.00
LANTHEUS HLDGS INC
SOLEShares254.48K
TypeSH
Market value$20.83M
1.31%
Sole
254.48K
Shared
0.00
None
0.00
WARBY PARKER INC
SOLEShares949.28K
TypeSH
Market value$20.82M
1.31%
Sole
949.28K
Shared
0.00
None
0.00
POTBELLY CORP
SOLEShares1.67M
TypeSH
Market value$20.43M
1.28%
Sole
1.67M
Shared
0.00
None
0.00
ZETA GLOBAL HOLDINGS CORP
SOLEShares1.32M
TypeSH
Market value$20.38M
1.28%
Sole
1.32M
Shared
0.00
None
0.00
RADNET INC
SOLEShares341.36K
TypeSH
Market value$19.43M
1.22%
Sole
341.36K
Shared
0.00
None
0.00
| Issuer | Class | Shares | Type | Value / Portfolio % | Voting — Sole | Shared | None |
|---|---|---|---|---|---|---|---|
CELESTICA INCSOLE | COM | 549.59K | SH | $85.80M 5.38% | 549.59K | 0.00 | 0.00 |
KRATOS DEFENSE &SEC SOLUTIOSOLE | COM NEW | 1.33M | SH | $61.71M 3.87% | 1.33M | 0.00 | 0.00 |
E L F BEAUTY INCSOLE | COM | 466.84K | SH | $58.09M 3.64% | 466.84K | 0.00 | 0.00 |
AEROVIRONMENT INCSOLE | COM | 178.82K | SH | $50.95M 3.19% | 178.82K | 0.00 | 0.00 |
MODINE MFG COSOLE | COM | 492.32K | SH | $48.49M 3.04% | 492.32K | 0.00 | 0.00 |
TTM TECHNOLOGIES INCSOLE | COM | 1.12M | SH | $45.89M 2.88% | 1.12M | 0.00 | 0.00 |
SHIFT4 PMTS INCSOLE | CL A | 435.18K | SH | $43.13M 2.70% | 435.18K | 0.00 | 0.00 |
GENIUS SPORTS LIMITEDSOLE | SHARES CL A | 4.09M | SH | $42.50M 2.66% | 4.09M | 0.00 | 0.00 |
POWELL INDS INCSOLE | COM | 170.56K | SH | $35.89M 2.25% | 170.56K | 0.00 | 0.00 |
DIGITALBRIDGE GROUP INCSOLE | CL A NEW | 3.08M | SH | $31.90M 2.00% | 3.08M | 0.00 | 0.00 |
HONEST CO INCSOLE | COM | 6.22M | SH | $31.65M 1.98% | 6.22M | 0.00 | 0.00 |
CASTLE BIOSCIENCES INCSOLE | COM | 1.49M | SH | $30.42M 1.91% | 1.49M | 0.00 | 0.00 |
PORCH GROUP INCSOLE | COM | 2.44M | SH | $28.80M 1.81% | 2.44M | 0.00 | 0.00 |
VISHAY PRECISION GROUP INCSOLE | COM | 990.44K | SH | $27.83M 1.74% | 990.44K | 0.00 | 0.00 |
I3 VERTICALS INCSOLE | COM CL A | 961.62K | SH | $26.43M 1.66% | 961.62K | 0.00 | 0.00 |
LUXEXPERIENCE BVSOLE | SPONSORED ADS | 3.06M | SH | $24.30M 1.52% | 3.06M | 0.00 | 0.00 |
QUANTERIX CORPSOLE | COM | 3.63M | SH | $24.16M 1.52% | 3.63M | 0.00 | 0.00 |
FLEX LTDSOLE | ORD | 480.60K | SH | $23.99M 1.50% | 480.60K | 0.00 | 0.00 |
SLM CORPSOLE | COM | 710.29K | SH | $23.29M 1.46% | 710.29K | 0.00 | 0.00 |
DRAFTKINGS INC NEWSOLE | COM CL A | 490.55K | SH | $21.04M 1.32% | 490.55K | 0.00 | 0.00 |
LANTHEUS HLDGS INCSOLE | COM | 254.48K | SH | $20.83M 1.31% | 254.48K | 0.00 | 0.00 |
WARBY PARKER INCSOLE | CL A COM | 949.28K | SH | $20.82M 1.31% | 949.28K | 0.00 | 0.00 |
POTBELLY CORPSOLE | COM | 1.67M | SH | $20.43M 1.28% | 1.67M | 0.00 | 0.00 |
ZETA GLOBAL HOLDINGS CORPSOLE | CL A | 1.32M | SH | $20.38M 1.28% | 1.32M | 0.00 | 0.00 |
RADNET INCSOLE | COM | 341.36K | SH | $19.43M 1.22% | 341.36K | 0.00 | 0.00 |
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