Top Institutional Investors

Edenbrook Capital, LLC — 13F Holdings & Portfolio

CIK 1666682 · latest 13F-HR filed 2026-08-13

Backtest portfolio

Edenbrook Capital, LLC manages $496.1M in 13F-reported U.S. long-equity assets across 34 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are FEIM (21.43%), MGNI (11.56%), CGNT (10.85%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 2 new positions, exited 0, added to 3, and trimmed 0.

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.

Filer Information
Address
116 RADIO CIRCLE
SUITE 202
MT. KISCO, NY 10549
Phone
(914) 239-3117
Filing Manager
Edenbrook Capital, LLC
Mt. Kisco, NY
Signatory
Megan Garufi
CCO
Loading holdings…
AUM

$496.1M

Long-equity book

Holdings

34

Distinct positions

Period

2026-06-30

Filed 2026-08-13

Q/Q Activity

+2 / −0 / ↑3 / ↓0

vs 2026-03-31

Firm Profile & Key People
Name Title / Status Ownership Type

Top Adds (vs prior quarter)

  • FREQUENCY ELECTRS INC$41.4M +49.9%
  • MAGNITE INC$34.2M +103.0%
  • COGNYTE SOFTWARE LTD$7.0M +12.4%
Show all 3 →

Top Trims

  • No decreased positions.
Show all 0 →

New Positions

  • DOUBLEVERIFY HLDGS INC$3.7M
  • GENTHERM INC$3.3M
Show all 2 →

Exited Positions

  • No exits this quarter.
Show all 0 →
All Holdings

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 FREQUENCY ELECTRS INC FEIM 358010106 $106.3M 21.43% 1,602,306 SH
2 MAGNITE INC MGNI 55955D100 $57.3M 11.56% 3,020,543 SH
3 COGNYTE SOFTWARE LTD CGNT M25133105 $53.8M 10.85% 6,128,521 SH
4 STATE STR SPDR S&P 500 ETF T Put SPY 78462F103 $50.8M 10.24% 68,000 SH
5 INVESCO QQQ TR Put QQQ 46090E103 $37.6M 7.57% 51,000 SH
6 ISHARES TR Put IWM 464287655 $25.5M 5.15% 85,000 SH
7 MARCHEX INC MCHX 56624R108 $21.3M 4.30% 13,239,567 SH
8 FREQUENCY ELECTRS INC FEIM 358010106 $18.0M 3.63% 271,504 SH
9 ISHARES TR Put HYG 464288513 $13.5M 2.73% 170,000 SH
10 ISHARES TR Put IEF 464287440 $12.0M 2.42% 127,500 SH
11 ISHARES TR Put TLT 464287432 $11.0M 2.21% 127,500 SH
12 MAGNITE INC MGNI 55955D100 $10.2M 2.05% 535,072 SH
13 COGNYTE SOFTWARE LTD CGNT M25133105 $9.9M 1.99% 1,126,703 SH
14 STATE STR SPDR S&P 500 ETF T Put SPY 78462F103 $9.0M 1.81% 12,000 SH
15 SELECT SECTOR SPDR TR Put XLK 81369Y803 $8.1M 1.63% 42,500 SH
16 ISHARES TR Put EEM 464287234 $7.0M 1.41% 102,000 SH
17 INVESCO QQQ TR Put QQQ 46090E103 $6.6M 1.34% 9,000 SH
18 SPDR INDEX SHS FDS Put FEZ 78463X202 $5.8M 1.18% 85,000 SH
19 SELECT SECTOR SPDR TR Call XLE 81369Y506 $4.5M 0.91% 85,000 SH
20 ISHARES TR Put IWM 464287655 $4.5M 0.91% 15,000 SH
21 DOUBLEVERIFY HLDGS INC DV 25862V105 $3.2M 0.64% 291,717 SH
22 GENTHERM INC THRM 37253A103 $2.8M 0.56% 81,225 SH
23 ISHARES TR Put FXI 464287184 $2.7M 0.54% 85,000 SH
24 ISHARES TR Put HYG 464288513 $2.4M 0.48% 30,000 SH
25 MARCHEX INC MCHX 56624R108 $2.3M 0.46% 1,424,813 SH
26 ISHARES TR Put IEF 464287440 $2.1M 0.43% 22,500 SH
27 ISHARES TR Put TLT 464287432 $1.9M 0.39% 22,500 SH
28 SELECT SECTOR SPDR TR Put XLK 81369Y803 $1.4M 0.29% 7,500 SH
29 ISHARES TR Put EEM 464287234 $1.2M 0.25% 18,000 SH
30 SPDR INDEX SHS FDS Put FEZ 78463X202 $1.0M 0.21% 15,000 SH
31 SELECT SECTOR SPDR TR Call XLE 81369Y506 $796.6K 0.16% 15,000 SH
32 DOUBLEVERIFY HLDGS INC DV 25862V105 $552.9K 0.11% 51,009 SH
33 GENTHERM INC THRM 37253A103 $484.7K 0.10% 14,211 SH
34 ISHARES TR Put FXI 464287184 $473.9K 0.10% 15,000 SH
Filing History
Period Filed AUM Holdings Accession
2026-06-30 2026-08-13 $496.1M 34 0000919574-26-005083
2026-03-31 2026-05-14 $321.1M 28 0000919574-26-003090
2025-12-31 2026-02-13 $536.3M 30 0000919574-26-000926
2025-09-30 2025-11-13 $585.8M 38 0000919574-25-006730