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Nierenberg Investment Management Company, LLC

CIK 1282683 · latest 13F filed 11 August 2026 · Read the filing on EDGAR

Nierenberg Investment Management Company, LLC reported 35 US-listed holdings worth $201.4 million in its 13F for the quarter ended 30 June 2026, filed 11 August 2026. Its largest: iShares Trust (23.0%), EQT Corp. (14.1%) and Criteo S A (9.6%). Against the quarter before, it opened 3 positions, added to 2, trimmed 2 and sold out of 12.

Filed before as Nierenberg Investment Management Company, Inc.

Reported holdings$201.4M+0.3% on Q1 2026
Positions35-9 on Q1 2026
The largest ten86.1%of its reported holdings
Latest 13FQ2 2026filed 11 August 2026
Where the money is
Added toHeldTrimmed
SGOV23.0%EQT14.1%CRTO9.6%LYFT9.4%CART6.9%KBR6.6%RVSB5.5%FCN5.5%RKT3.4%GDOT2.3%DHC2.1%BKD2.0%FIVN1.4%TNDM1.2%21 more7.1%

The 14 largest of its 35 positions, each sized by its share of the reported holdings, coloured by the change in shares against Q1 2026.

Reported holdings, quarter by quarter
Q3 2024: $166.9 million in 47 positions$167MQ3 24Q4 2024: $170.9 million in 46 positions$171MQ4 24Q1 2025: $171.2 million in 47 positions$171MQ1 25Q2 2025: $171.4 million in 39 positions$171MQ2 25Q3 2025: $180.9 million in 40 positions$181MQ3 25Q4 2025: $198.2 million in 43 positions$198MQ4 25Q1 2026: $200.8 million in 44 positions$201MQ1 26Q2 2026: $201.4 million in 35 positions$201MQ2 26

What the fund reported holding at each quarter's end; hover a bar for the number of positions

What its reported holdings returned

Held through each quarter, the holdings it reported returned -1.2% over the 2 quarters to 30 June 2026, against +9.5% for the S&P 500.

Its reported holdingsThe S&P 500
95100105110Q4 25Q1 26Q2 26Its holdings -1.2%S&P 500 +9.5%

Not the fund's own return: each 13F's holdings are kept unchanged until the next one, so trades inside a quarter, dividends, cash and fees are left out. A rough guide to how its picks have done over time.

What it did on the quarter

Opened 3Added 2Held 28Trimmed 2Sold out 12
Opened: 3Added: 2Held: 28Trimmed: 2Sold out: 12

Its positions against its 13F for the quarter to 31 March 2026; a change under 0.1% of a position counts as held

Opened 3

  1. Haemonetics Corp. HAE$2.0 million
  2. Ring Energy Inc. REI$1.5 million
  3. Conduent Inc. CNDT$25,630

Added to 2

  1. FTI Consulting, Inc. FCN+64,107 shares · +655%
  2. Tandem Diabetes Care Inc. TNDM+79,400 shares · +100%

Trimmed 2

  1. iShares Trust SGOV-89,550 shares · -16%
  2. Techtarget Inc. TTGT-66,000 shares · -33%

Sold out of 12

  1. Cross Ctry Healthcare Inc. CCRN$1.4 million last quarter
  2. Adtran Holdings Inc. ADTN$1.2 million last quarter
  3. Oceanfirst Finl Corp. OCFC$713,572 last quarter
  4. Hope Bancorp Inc. HOPE$709,909 last quarter
  5. Clearfield Inc. CLFD$437,020 last quarter
  6. Photronics Inc. PLAB$255,795 last quarter
  7. Bread Financial Holdings, Inc. BFH$253,128 last quarter
  8. Portillos Inc. PTLO$177,506 last quarter

What it holds

CompanySharesValueOf its bookChange in shares
iShares Trust SGOV461.0K$46.4 million23.04%-89.5K
EQT Corp. EQT533.4K$28.4 million14.08%no change
Criteo S A CRTO1.1M$19.2 million9.55%no change
Lyft, Inc. LYFT1.3M$18.9 million9.40%no change
Maplebear Inc. CART291.9K$13.8 million6.86%no change
Kbr, Inc. KBR386.4K$13.3 million6.62%no change
Riverview Bancorp Inc. RVSB2.0M$11.0 million5.48%no change
FTI Consulting, Inc. FCN73.9K$11.0 million5.47%+64.1K
Rocket Cos Inc. RKT429.6K$6.8 million3.36%no change
Green Dot Corp. GDOT339.1K$4.6 million2.27%no change
Diversified Healthcare Trust DHC456.1K$4.2 million2.11%no change
Brookdale SR Living Inc. BKD255.1K$4.1 million2.04%no change
Five9, Inc. FIVN135.8K$2.9 million1.44%no change
Tandem Diabetes Care Inc. TNDM158.9K$2.4 million1.19%+79.4K
Haemonetics Corp. HAE26.3K$2.0 million0.98%new
Greenlight Capital Re Ltd GLRE102.5K$1.7 million0.82%no change
Ring Energy Inc. REI1.4M$1.5 million0.75%new
Concentrix Corp. CNXC64.5K$1.4 million0.72%no change
Expand Energy Corp. EXE15.6K$1.4 million0.70%no change
Forrester Resh Inc. FORR131.1K$1.1 million0.55%no change
Helix Energy Solutions GRP I HOS124.5K$1.1 million0.54%no change
DXC Technology Co. DXC102.5K$907,2140.45%no change
Oshkosh Corp. OSK5.8K$882,5100.44%no change
Ttec Hldgs Inc. TTEC255.6K$495,7770.25%no change
Techtarget Inc. TTGT136.9K$492,8760.24%-66.0K
Fluor Corp. FLR6.6K$343,4160.17%no change
Dhi Group Inc. DHX84.6K$313,6990.16%no change
Orasure Technologies Inc. OSUR55.6K$247,7750.12%no change
Arhaus Inc. ARHS12.3K$103,6500.05%no change
Oil STS Intl Inc. OIS11.6K$92,5560.05%no change
Talkspace Inc. TALK11.6K$60,0860.03%no change
NN Inc. NNBR13.6K$48,6620.02%no change
Cytomx Therapeutics Inc. CTMX12.6K$47,0810.02%no change
W & T Offshore Inc. WTI13.6K$42,6980.02%no change
Conduent Inc. CNDT17.6K$25,6300.01%new
Every US-listed position in the fund's 13F for the quarter ended 30 June 2026, by the value it reported.
Read moreChange is shares against its 13F for the quarter before; the 12 it sold out of are in the box above.