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Portolan Capital Management Llc

Portfolio Manager
Portolan Capital Management LLC
Performance
+2.48% (2026 Q1)
AUM (13F)
$1.88B
# of Holdings
144
Performance Rank
Allocation (Top 20)
45.34%

Portolan Capital Management Llc Holdings Map

Top 50 Portolan Capital Management Llc Holdings

Top 10 holdings

StockCompany% Port.SharesValueActivityOwnershipAvg. CostDate
MOD
MODINE MFG CO
4.75%412.1K$89.3M
-23.11%(-123.86K)
2025-Q1: 493.6K shares2025-Q2: 492.3K shares2025-Q3: 602.5K shares2025-Q4: 535.9K shares2026-Q1: 412.1K shares
$82.90(+227.21%)
2026-03-31
TTMI
TTM TECHNOLOGIES INC
3.77%727.5K$70.9M
-36.56%(-419.19K)
2025-Q1: 1.02M shares2025-Q2: 1.12M shares2025-Q3: 1.19M shares2025-Q4: 1.15M shares2026-Q1: 727.5K shares
$20.49(+716.74%)
2026-03-31
CLS
CELESTICA INC
2.97%197.9K$55.7M
+14.85%(+25.59K)
2025-Q1: 392.9K shares2025-Q2: 549.6K shares2025-Q3: 251.6K shares2025-Q4: 172.3K shares2026-Q1: 197.9K shares
$78.00(+359.66%)
2026-03-31
VIRT
VIRTU FINL INC
2.84%1.21M$53.3M
+222.07%(+835.60K)
2025-Q1: 388.8K shares2025-Q2: 273.4K shares2025-Q3: 0 shares2025-Q4: 376.3K shares2026-Q1: 1.21M shares
$35.93(+51.67%)
2026-03-31
AKAM
AKAMAI TECHNOLOGIES INC
2.59%423.4K$48.6M
-19.24%(-100.88K)
2025-Q1: 0 shares2025-Q2: 0 shares2025-Q3: 0 shares2025-Q4: 524.3K shares2026-Q1: 423.4K shares
$81.51(+85.12%)
2026-03-31
VPG
VISHAY PRECISION GROUP INC
2.36%1.02M$44.3M
+16.20%(+142.20K)
2025-Q1: 821.0K shares2025-Q2: 990.4K shares2025-Q3: 823.3K shares2025-Q4: 877.7K shares2026-Q1: 1.02M shares
$27.47(+254.27%)
2026-03-31
PARR
PAR PAC HOLDINGS INC
2.31%693.8K$43.5Mnew2025-Q1: 0 shares2025-Q2: 0 shares2025-Q3: 0 shares2025-Q4: 0 shares2026-Q1: 693.8K shares
$48.89(+19.25%)
2026-03-31
POWL
POWELL INDS INC
2.18%75.8K$41.0M
-4.15%(-3.29K)
2025-Q1: 53.2K shares2025-Q2: 170.6K shares2025-Q3: 148.2K shares2025-Q4: 79.1K shares2026-Q1: 75.8K shares
$65.41(+347.38%)
2026-03-31
BIDU
BAIDU INC
2.17%366.4K$40.8M
+38.97%(+102.75K)
2025-Q1: 134.5K shares2025-Q2: 0 shares2025-Q3: 4.6K shares2025-Q4: 263.7K shares2026-Q1: 366.4K shares
$128.15(+5.61%)
2026-03-31
PBF
PBF ENERGY INC
2.03%800.0K$38.1Mnew2025-Q1: 0 shares2025-Q2: 0 shares2025-Q3: 0 shares2025-Q4: 0 shares2026-Q1: 800.0K shares
$37.37(+13.19%)
2026-03-31

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