Filed: 2/13/2025ACC: 0001104659-25-012988
📋 What this filing means
PORTOLAN CAPITAL MANAGEMENT, LLC filed this quarterly 13F‑HR report disclosing 131 equity positions with a total reported market value of $1.49B. This filing provides a transparent view of the manager's long equity holdings as of the quarter end.
131
Positions
$1.49B
Total AUM (reported)
78.73M
Total Shares
Allocation by class
COM$901.18M60.6%
CL A$133.21M9.0%
COM NEW$83.78M5.6%
CL A COM$60.93M4.1%
COM CL A$53.49M3.6%
ORD SHS$35.38M2.4%
SHARES CL A$26.55M1.8%
Portfolio Concentration
Top 3$171.83M11.6%
4–10$237.59M16.0%
11–25$337.42M22.7%
Rest$739.93M49.8%
Top 3 weight
11.6%
Top 10 weight
27.5%
Voting Authority Distribution
Total shares with voting rights: 78.73M
Sole
Full voting authority
78.73M
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)
Sole131
Shared0
Other0
Dominant voting typeSole · 100.0% of voting shares
Institutional Holdings131
Rows:
LANTHEUS HLDGS INC
SOLEShares812.63K
TypeSH
Market value$72.70M
4.89%
Sole
812.63K
Shared
0.00
None
0.00
CELESTICA INC
SOLEShares626.94K
TypeSH
Market value$57.87M
3.89%
Sole
626.94K
Shared
0.00
None
0.00
SEMTECH CORP
SOLEShares667.21K
TypeSH
Market value$41.27M
2.78%
Sole
667.21K
Shared
0.00
None
0.00
MODINE MFG CO
SOLEShares328.90K
TypeSH
Market value$38.13M
2.56%
Sole
328.90K
Shared
0.00
None
0.00
HONEST CO INC
SOLEShares5.36M
TypeSH
Market value$37.14M
2.50%
Sole
5.36M
Shared
0.00
None
0.00
KRATOS DEFENSE &SEC SOLUTIO
SOLEShares1.35M
TypeSH
Market value$35.56M
2.39%
Sole
1.35M
Shared
0.00
None
0.00
KURA SUSHI USA INC
SOLEShares373.25K
TypeSH
Market value$33.81M
2.27%
Sole
373.25K
Shared
0.00
None
0.00
TTM TECHNOLOGIES INC
SOLEShares1.30M
TypeSH
Market value$32.21M
2.17%
Sole
1.30M
Shared
0.00
None
0.00
TALEN ENERGY CORP
SOLEShares154.38K
TypeSH
Market value$31.10M
2.09%
Sole
154.38K
Shared
0.00
None
0.00
RADNET INC
SOLEShares424.34K
TypeSH
Market value$29.64M
1.99%
Sole
424.34K
Shared
0.00
None
0.00
E L F BEAUTY INC
SOLEShares230K
TypeSH
Market value$28.88M
1.94%
Sole
230K
Shared
0.00
None
0.00
QUANTERIX CORP
SOLEShares2.59M
TypeSH
Market value$27.51M
1.85%
Sole
2.59M
Shared
0.00
None
0.00
GENIUS SPORTS LIMITED
SOLEShares3.07M
TypeSH
Market value$26.55M
1.79%
Sole
3.07M
Shared
0.00
None
0.00
SNAP INC
SOLEShares2.36M
TypeSH
Market value$25.45M
1.71%
Sole
2.36M
Shared
0.00
None
0.00
SLM CORP
SOLEShares900.52K
TypeSH
Market value$24.84M
1.67%
Sole
900.52K
Shared
0.00
None
0.00
GATES INDL CORP PLC
SOLEShares1.12M
TypeSH
Market value$22.98M
1.55%
Sole
1.12M
Shared
0.00
None
0.00
PAYONEER GLOBAL INC
SOLEShares2.17M
TypeSH
Market value$21.82M
1.47%
Sole
2.17M
Shared
0.00
None
0.00
REDDIT INC
SOLEShares131.62K
TypeSH
Market value$21.51M
1.45%
Sole
131.62K
Shared
0.00
None
0.00
QUINSTREET INC
SOLEShares917.22K
TypeSH
Market value$21.16M
1.42%
Sole
917.22K
Shared
0.00
None
0.00
CASTLE BIOSCIENCES INC
SOLEShares776.58K
TypeSH
Market value$20.70M
1.39%
Sole
776.58K
Shared
0.00
None
0.00
CELLEBRITE DI LTD
SOLEShares914.86K
TypeSH
Market value$20.15M
1.36%
Sole
914.86K
Shared
0.00
None
0.00
ENOVA INTL INC
SOLEShares208.35K
TypeSH
Market value$19.98M
1.34%
Sole
208.35K
Shared
0.00
None
0.00
GENESCO INC
SOLEShares464.26K
TypeSH
Market value$19.85M
1.33%
Sole
464.26K
Shared
0.00
None
0.00
VIRTU FINL INC
SOLEShares528.61K
TypeSH
Market value$18.86M
1.27%
Sole
528.61K
Shared
0.00
None
0.00
BEL FUSE INC
SOLEShares208.47K
TypeSH
Market value$17.19M
1.16%
Sole
208.47K
Shared
0.00
None
0.00
| Issuer | Class | Shares | Type | Value / Portfolio % | Voting — Sole | Shared | None |
|---|---|---|---|---|---|---|---|
LANTHEUS HLDGS INCSOLE | COM | 812.63K | SH | $72.70M 4.89% | 812.63K | 0.00 | 0.00 |
CELESTICA INCSOLE | COM | 626.94K | SH | $57.87M 3.89% | 626.94K | 0.00 | 0.00 |
SEMTECH CORPSOLE | COM | 667.21K | SH | $41.27M 2.78% | 667.21K | 0.00 | 0.00 |
MODINE MFG COSOLE | COM | 328.90K | SH | $38.13M 2.56% | 328.90K | 0.00 | 0.00 |
HONEST CO INCSOLE | COM | 5.36M | SH | $37.14M 2.50% | 5.36M | 0.00 | 0.00 |
KRATOS DEFENSE &SEC SOLUTIOSOLE | COM NEW | 1.35M | SH | $35.56M 2.39% | 1.35M | 0.00 | 0.00 |
KURA SUSHI USA INCSOLE | CL A COM | 373.25K | SH | $33.81M 2.27% | 373.25K | 0.00 | 0.00 |
TTM TECHNOLOGIES INCSOLE | COM | 1.30M | SH | $32.21M 2.17% | 1.30M | 0.00 | 0.00 |
TALEN ENERGY CORPSOLE | COM | 154.38K | SH | $31.10M 2.09% | 154.38K | 0.00 | 0.00 |
RADNET INCSOLE | COM | 424.34K | SH | $29.64M 1.99% | 424.34K | 0.00 | 0.00 |
E L F BEAUTY INCSOLE | COM | 230K | SH | $28.88M 1.94% | 230K | 0.00 | 0.00 |
QUANTERIX CORPSOLE | COM | 2.59M | SH | $27.51M 1.85% | 2.59M | 0.00 | 0.00 |
GENIUS SPORTS LIMITEDSOLE | SHARES CL A | 3.07M | SH | $26.55M 1.79% | 3.07M | 0.00 | 0.00 |
SNAP INCSOLE | CL A | 2.36M | SH | $25.45M 1.71% | 2.36M | 0.00 | 0.00 |
SLM CORPSOLE | COM | 900.52K | SH | $24.84M 1.67% | 900.52K | 0.00 | 0.00 |
GATES INDL CORP PLCSOLE | ORD SHS | 1.12M | SH | $22.98M 1.55% | 1.12M | 0.00 | 0.00 |
PAYONEER GLOBAL INCSOLE | COM | 2.17M | SH | $21.82M 1.47% | 2.17M | 0.00 | 0.00 |
REDDIT INCSOLE | CL A | 131.62K | SH | $21.51M 1.45% | 131.62K | 0.00 | 0.00 |
QUINSTREET INCSOLE | COM | 917.22K | SH | $21.16M 1.42% | 917.22K | 0.00 | 0.00 |
CASTLE BIOSCIENCES INCSOLE | COM | 776.58K | SH | $20.70M 1.39% | 776.58K | 0.00 | 0.00 |
CELLEBRITE DI LTDSOLE | ORDINARY SHARES | 914.86K | SH | $20.15M 1.36% | 914.86K | 0.00 | 0.00 |
ENOVA INTL INCSOLE | COM | 208.35K | SH | $19.98M 1.34% | 208.35K | 0.00 | 0.00 |
GENESCO INCSOLE | COM | 464.26K | SH | $19.85M 1.33% | 464.26K | 0.00 | 0.00 |
VIRTU FINL INCSOLE | CL A | 528.61K | SH | $18.86M 1.27% | 528.61K | 0.00 | 0.00 |
BEL FUSE INCSOLE | CL B | 208.47K | SH | $17.19M 1.16% | 208.47K | 0.00 | 0.00 |
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