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Marin Software Inc

MRINDelisted Jul 21, 2025
Industry
Services-Computer Processing & Data Preparation
SEC CIK
0001389002

Marin Software Inc was delisted on Jul 21, 2025; its insiders filed their last Form 4 on Sep 8, 2025; 11 institutions reported holding it in 13F filings for Q1 2025, worth $206.6K in total; no superinvestor held it.

13F holders, Q4 2021

Institutional positions in Marin Software Inc as of Dec 31, 2021. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
31
+1 vs. Q3 2021
Shares held
2.50M
+570.8K (+29.5%) vs. Q3 2021
Total value
$9.29M
−$8.30M (−47.2%) vs. Q3 2021
New holders
11
10 more added
Sold out
10
6 more reduced

Compare with Q3 2021: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting MRIN on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ4 2021: 31 institutions
Q1 2021: 16 institutionsQ2 2021: 21 institutionsQ3 2021: 30 institutionsQ4 2021: 31 institutionsQ1 2022: 27 institutionsQ2 2022: 23 institutionsQ3 2022: 24 institutionsQ4 2022: 27 institutionsQ1 2023: 23 institutionsQ2 2023: 25 institutionsQ3 2023: 28 institutionsQ4 2023: 30 institutionsQ1 2024: 27 institutionsQ2 2024: 13 institutionsQ3 2024: 9 institutionsQ4 2024: 12 institutionsQ1 2025: 11 institutionsQ2 2025: 1 institutionQ3 2025: 0 institutionsQ4 2025: 1 institutionQ1 2026: 0 institutionsQ2 2026: 0 institutions
Value heldQ4 2021: $9.29M
Q1 2021: $2.35MQ2 2021: $9.26MQ3 2021: $17.6MQ4 2021: $9.29MQ1 2022: $6.42MQ2 2022: $3.68MQ3 2022: $2.64MQ4 2022: $1.99MQ1 2023: $1.83MQ2 2023: $1.06MQ3 2023: $768.6KQ4 2023: $623.6KQ1 2024: $283.1KQ2 2024: $320.6KQ3 2024: $343.0KQ4 2024: $387.7KQ1 2025: $206.6KQ2 2025: $90Q3 2025: $0Q4 2025: $0Q1 2026: $0Q2 2026: $0
Institutions holding MRIN and their total value by quarter
QuarterHoldersValue
Q2 20260$0
Q1 20260$0
Q4 20251$0
Q3 20250$0
Q2 20251$90
Q1 202511$206.6K
Q4 202412$387.7K
Q3 20249$343.0K
Q2 202413$320.6K
Q1 202427$283.1K
Q4 202330$623.6K
Q3 202328$768.6K
Q2 202325$1.06M
Q1 202323$1.83M
Q4 202227$1.99M
Q3 202224$2.64M
Q2 202223$3.68M
Q1 202227$6.42M
Q4 202131$9.29M
Q3 202130$17.6M
Q2 202121$9.26M
Q1 202116$2.35M

Institutions, Q4 2021

Shares, value and share of portfolio for each institution holding Marin Software Inc; share changes are against Q3 2021.

Institutions holding MRIN in Q4 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Royce & Associates LP726,894$2.70M0.02%+294,050+67.9%Added
Susquehanna International Group, LLP252,911$939.0K0.00%−194,503−43.5%Reduced
Vanguard Group Inc214,251$795.0K0.00%+51,341+31.5%Added
Anson Funds Management LP179,803$667.0K0.09%+179,803New
Morgan Stanley160,872$597.0K0.00%+141,996+752.3%Added
BlackRock Inc.141,847$526.0K0.00%+93,208+191.6%Added
Geode Capital Management, LLC124,149$460.0K0.00%+27,529+28.5%Added
Dimensional Fund Advisors LP101,768$378.0K0.00%+48,880+92.4%Added
Renaissance Technologies LLC77,018$286.0K0.00%+77,018New
Susquehanna Fundamental Investments, LLC60,277$224.0K0.01%+8,890+17.3%Added
Bridgeway Capital Management, LLC60,000$223.0K0.00%00.0%Unchanged
Jane Street Group, LLC50,790$188.0K0.00%−74,637−59.5%Reduced
Group One Trading, L.P.50,393$187.0K0.00%+50,393New
State Street Corp44,343$165.0K0.00%+20,400+85.2%Added
BNP Paribas Arbitrage, SA42,804$158.8K0.00%+42,804New
UBS Group AG39,183$145.0K0.00%+39,112+55,087.3%Added
Northern Trust Corp23,087$86.0K0.00%00.0%Unchanged
Cutler Group LP20,053$74.0K0.01%−33,857−62.8%Reduced
Goldman Sachs Group Inc19,220$71.0K0.00%+19,220New
Tower Research Capital LLC (TRC)17,129$63.0K0.00%+6,831+66.3%Added
Simplex Trading, LLC16,326$60.0K0.00%+16,326New
Balyasny Asset Management LLC15,000$56.0K0.00%00.0%Unchanged
Schonfeld Strategic Advisors LLC14,200$52.0K0.00%−91,400−86.6%Reduced
Wolverine Trading, LLC13,047$51.0K0.00%−23,276−64.1%Reduced
Two Sigma Securities, LLC12,311$46.0K0.01%+12,311New
Engineers Gate Manager LP11,067$41.0K0.00%+11,067New
Belvedere Trading LLC8,835$28.0K0.01%+8,835New
SG3 Management, LLC6,500$24.0K0.00%+6,500New
Bank of America Corp26$00.00%−4,054−99.4%Reduced
Wells Fargo & Company95$00.00%00.0%Unchanged
FMR LLC18$00.00%+18New
Paloma Partners Management Co0$00.00%−62,781−100.0%Sold out
Squarepoint Ops LLC0$00.00%−43,447−100.0%Sold out
Citadel Advisors LLC0$00.00%−20,593−100.0%Sold out
XTX Topco Ltd0$00.00%−18,434−100.0%Sold out
Bank of Montreal0$00.00%−15,000−100.0%Sold out
FNY Investment Advisers, LLC0$00.00%−2,406−100.0%Sold out
The PNC Financial Services Group, Inc.0$00.00%−200−100.0%Sold out
Parallel Advisors, LLC0$00.00%−60−100.0%Sold out
Howe & Rusling Inc0$00.00%−40−100.0%Sold out
Eaton Vance Management0$00.00%−1,000−100.0%Sold out