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NIMC

Nierenberg Investment Management Company Portfolio holdings

AUM $201M
1-Year Est. Return 20.14%
This Fund
S&P 500
This Quarter Est. Return
-1.06%
1 Year Est. Return
+20.14%
3 Year Est. Return
+134.68%
5 Year Est. Return
+239.47%
10 Year Est. Return
–
AUM
$206M
AUM Growth
-$28M
Cap. Flow
-$26.9M
Cap. Flow %
-13.06%
Top 10 Hldgs %
87.28%
Holding
62
New
10
Increased
5
Reduced
4
Closed
15

Top Buys

Rank Stock Value
1
SGOV icon
iShares 0-3 Month Treasury Bond ETF
SGOV
+$64.4M
2
RKT icon
Rocket Companies
RKT
+$23.9M
3
CRTO icon
Criteo S.A. Ordinary Shares
CRTO
+$9.6M
4
FCN icon
FTI Consulting
FCN
+$1.58M
5
VRT icon
Vertiv
VRT
+$1.22M

Top Sells

Rank Stock Value
1
PBPB
Potbelly
PBPB
+$50.8M
2
COOP
Mr. Cooper
COOP
+$26.6M
3
ADTN icon
Adtran
ADTN
+$2.17M
4
MTCH icon
Match Group
MTCH
+$2M
5
TPC
Tutor Perini Cor
TPC
+$1.62M

Sector Composition

Rank Sector Weight
1 Financials 20.64%
2 Energy 15.47%
3 Technology 10.86%
4 Communication Services 8.92%
5 Industrials 3.47%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
CEG icon
51
PUT
Constellation Energy
CEG
$98.7B
– –
-7,100
Closed -$2.34M
COOP
52
DELISTED
Mr. Cooper
COOP
– –
-126,121
Closed -$26.6M
ETN icon
53
PUT
Eaton
ETN
$179B
– –
-1,600
Closed -$599K
MTCH icon
54
Match Group
MTCH
$8.4B
– –
-56,680
Closed -$2M
NVDA icon
55
PUT
NVIDIA
NVDA
$5.43T
– –
-22,800
Closed -$4.25M
PBPB
56
DELISTED
Potbelly
PBPB
– –
-2,980,564
Closed -$50.8M
PLPC icon
57
Preformed Line Products
PLPC
$2.29B
– –
-4,555
Closed -$893K
QQQ icon
58
PUT
Invesco QQQ Trust
QQQ
$481B
– –
-17,100
Closed -$10.3M
RRC icon
59
Range Resources
RRC
$9.39B
– –
-29,555
Closed -$1.11M
SPY icon
60
PUT
State Street SPDR S&P 500 ETF Trust
SPY
$809B
– –
-25,000
Closed -$16.7M
VRT icon
61
PUT
Vertiv
VRT
$111B
– –
-21,200
Closed -$3.2M
TPC
62
Tutor Perini Cor
TPC
$5.05B
– –
-24,680
Closed -$1.62M
1 2
3

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LWMI
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RCM
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SG
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MFG
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RM
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FFC
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Nierenberg Investment Management Company's Q4 2025 Portfolio in Review

As of Q4 2025, Nierenberg Investment Management Company held 62 positions worth $206M, down 12% from $234M the previous quarter. Its ten largest holdings account for 87% of the portfolio.

Nierenberg Investment Management Company withdrew a net $26.9M in Q4 2025, closing 15 positions and reducing 4 holdings. Its most notable exit was Potbelly, an estimated $50.8M position sold in full.

By sector, the portfolio is most concentrated in Financials at 21% of assets, up from 18% a quarter earlier, followed by Energy and Technology.

Against the trend, Nierenberg Investment Management Company opened a new position in iShares 0-3 Month Treasury Bond ETF worth $64.3M.

  • Nierenberg Investment Management Company's largest Q4 2025 buy was iShares 0-3 Month Treasury Bond ETF: 640,597 shares worth $64.3M.
  • Nierenberg Investment Management Company added most to Criteo S.A. Ordinary Shares in Q4 2025, an estimated $9.6M increase.
  • Nierenberg Investment Management Company's biggest Q4 2025 reduction was Adtran, cutting an estimated $2.17M.
  • Nierenberg Investment Management Company fully exited Potbelly in Q4 2025, selling an estimated $50.8M.
  • Nierenberg Investment Management Company's ten largest holdings make up 87% of its $206M portfolio in Q4 2025.
  • Nierenberg Investment Management Company opened 10 new positions and closed 15 in Q4 2025.
  • Nierenberg Investment Management Company's portfolio value fell 12% quarter-over-quarter to $206M.

Based on Nierenberg Investment Management Company's 13F filing for Q4 2025, filed 13 Feb 2026.