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Equibles

NSLR

Suro Capital Corp.
$11.79 -0.42 (-3.44%) At close · Jul 2
Market Cap
$307.37M
Shares
26,070,208

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 74
Total Value: $59,304,454
Total Shares: 5,537,301

Institutional Ownership Trend

24 quarters

Superinvestors Holding NSLR

All superinvestors →
Mario Gabelli $2,618,595

Holder Concentration

Across 74 13F filers · Δ vs Dec 31, 2025
Top Holder
23.6%
Jun 2023 → Mar 2026 · range 16.4% – 26.5%
−0.1 pts
Top 5
50.6%
Jun 2023 → Mar 2026 · range 50.5% – 68.5%
−0.3 pts
Top 10
69.9%
Jun 2023 → Mar 2026 · range 67.6% – 84.2%
+1.0 pts
HHI
858
Jun 2023 → Mar 2026 · range 738 – 1,340
Broadly held−4

Quarterly Activity

vs Dec 31, 2025
New
18
Increased
18
Decreased
23
Sold Out
15
Unchanged
15
Holder count: +3
Institutional value: +17.5%
Shares held: +3.6%

Top Buyers

vs Dec 31, 2025
Institution Added Now Holds Open
Mega FRANKLIN RESOURCES INC +90,512 300,695
Large GABELLI FUNDS LLC +41,894 1,304,102
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP +38,700 141,000
Mega LPL Financial LLC +27,663 202,473
Micro INTREPID FAMILY OFFICE LLC +25,000 125,000

Top Sellers

vs Dec 31, 2025
Institution Sold Now Holds Open
Large ACADIAN ASSET MANAGEMENT LLC −104,878 71,188
Mega TWO SIGMA INVESTMENTS, LP −89,108 54,095
Mega BlackRock, Inc. −61,368 90,156
Mega CITADEL ADVISORS LLC −37,242 35,779
Mega Invesco Ltd. −33,785 65,664

Top New Positions

vs Dec 31, 2025
Institution Acquired Value (USD) Open
Mid Kingsview Wealth Management, LLC 265,258 $2,840,913
Mid J. Goldman & Co LP 120,700 $1,292,697
Small INTRINSIC EDGE CAPITAL MANAGEMENT LLC 40,764 $436,582
Mid XTX Topco Ltd 36,338 $389,179
Small Thomas J. Herzfeld Advisors, Inc. 32,518 $348,267

Top Sold-Out Positions

vs Dec 31, 2025
Institution Previously Held Last Value (USD) Open
Small Supplemental Annuity Collective Trust of NJ 71,507 $675,026
Large Cambridge Investment Research Advisors, Inc. 33,109 $312,548
Mid IMC-Chicago, LLC 30,330 $286,315
Large Qube Research & Technologies Ltd 24,158 $228,051
Mid Heron Bay Capital Management 14,513 $137,002
Filter: New 18 Increased 18 Reduced 23 Sold out 15 Unchanged 15
Showing 77 of 77
All Common Calls Puts
Export CSV
Holder Value (USD) % of 13F Shares Open
Large GABELLI FUNDS LLC $13,966,932 23.55% 1,304,102
Small GatePass Capital, LLC $5,418,189 9.14% 505,900
Mid NEEDHAM INVESTMENT MANAGEMENT LLC $4,568,821 7.70% 426,594
Mega FRANKLIN RESOURCES INC $3,220,443 5.43% 300,695
Mid Kingsview Wealth Management, LLC $2,840,913 4.79% 265,258
Mid MGO ONE SEVEN LLC $2,805,709 4.73% 261,971
Mid GAMCO INVESTORS, INC. ET AL $2,618,595 4.42% 244,500
Mega LPL Financial LLC $2,168,485 3.66% 202,473
Mega JANE STREET GROUP, LLC $2,110,437 3.56% 197,053
Micro INTREPID FAMILY OFFICE LLC Family Office $1,338,750 2.26% 125,000
Mid J. Goldman & Co LP $1,292,697 2.18% 120,700
Mega BlackRock, Inc. $965,570 1.63% 90,156
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $776,475 1.31% 72,500
Large ACADIAN ASSET MANAGEMENT LLC $762,423 1.29% 71,188
Mid Private Advisor Group, LLC $739,354 1.25% 69,034
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $733,635 1.24% 68,500
Mega MORGAN STANLEY $705,635 1.19% 65,886
Mega Invesco Ltd. $703,261 1.19% 65,664
Large Janney Montgomery Scott LLC $636,945 1.07% 59,472
Small Green Alpha Advisors, LLC $627,723 1.06% 58,611
Mega TWO SIGMA INVESTMENTS, LP $579,357 0.98% 54,095
Mid Stratos Wealth Partners, LTD. $556,009 0.94% 51,915
Mid HARBOR CAPITAL ADVISORS, INC. $544,603 0.92% 50,850
Mid MANGROVE PARTNERS IM, LLC $498,861 0.84% 46,579
Mega WELLS FARGO & COMPANY/MN $454,917 0.77% 42,476
Small Catalyst Capital Advisors LLC $454,810 0.77% 42,466
Small INTRINSIC EDGE CAPITAL MANAGEMENT LLC $436,582 0.74% 40,764
Mid XTX Topco Ltd $389,179 0.66% 36,338
Large Trexquant Investment LP $352,851 0.59% 32,946
Large Cresset Asset Management, LLC $352,155 0.59% 32,881
Small Thomas J. Herzfeld Advisors, Inc. $348,267 0.59% 32,518
Large Pathstone Holdings, LLC $345,911 0.58% 32,298
Mega UBS Group AG $341,787 0.58% 31,913
Mega NORTHERN TRUST CORP Bank $334,815 0.56% 31,262
Mid Hillsdale Investment Management Inc. $320,229 0.54% 29,900
Small Texas Capital Bank Wealth Management Services Inc Bank $299,880 0.51% 28,000
Small Wellington Shields & Co., LLC $282,079 0.48% 26,338
Large O'SHAUGHNESSY ASSET MANAGEMENT, LLC $278,277 0.47% 25,983
Large CANADA LIFE ASSURANCE Co Insurance $269,881 0.46% 25,199
Mid RITHOLTZ WEALTH MANAGEMENT $259,867 0.44% 24,264
Small Byrne Asset Management LLC $257,468 0.43% 24,040
Mega CITADEL ADVISORS LLC $243,963 0.41% 22,779
Large Squarepoint Ops LLC $237,462 0.40% 22,172
Mega JANE STREET GROUP, LLC $234,549 0.40% 21,900
Mid Granahan Investment Management, LLC $230,789 0.39% 21,549
Small Tactive Advisors, LLC $194,922 0.33% 18,200
Large HRT FINANCIAL LP $179,499 0.30% 16,760
Large Marex Group plc $171,370 0.29% 16,001
Small HAZLETT, BURT & WATSON, INC. $159,898 0.27% 14,930
Mega CITADEL ADVISORS LLC $139,230 0.23% 13,000
Mega RAYMOND JAMES FINANCIAL INC $133,724 0.23% 12,486
Small Coastal Bridge Advisors, LLC $120,744 0.20% 11,274
Mid Farther Finance Advisors, LLC $74,734 0.13% 6,978
Large OSAIC HOLDINGS, INC. $39,659 0.07% 3,703
Mega JPMORGAN CHASE & CO $33,040 0.06% 3,085
Micro Avion Wealth $32,140 0.05% 3,001
Micro Hickory Point Bank & Trust Bank $21,420 0.04% 2,000
Mid HARBOUR INVESTMENTS, INC. $18,635 0.03% 1,740
Small Strive Financial Group ,LLC $18,153 0.03% 1,695
Mega ROYAL BANK OF CANADA Bank $17,274 0.03% 1,613
Small N.E.W. Advisory Services LLC $11,781 0.02% 1,100
Large JONES FINANCIAL COMPANIES LLLP $11,706 0.02% 1,093
Large NOMURA ASSET MANAGEMENT CO LTD $9,381 0.02% 876
Mid Allworth Financial LP $5,280 0.01% 493
Micro EVOLUTION WEALTH MANAGEMENT INC. $1,071 0.00% 100
Mid Geneos Wealth Management Inc. $1,071 0.00% 100
Small Citizens National Bank Trust Department Bank $835 0.00% 78
Mid Intesa Sanpaolo S.p.A. $781 0.00% 73
Micro Osbon Capital Management LLC $771 0.00% 72
Mid Atlantic Union Bankshares Corp $631 0.00% 59
Mid MAI Capital Management $578 0.00% 54
Small Destiny Wealth Partners, LLC $556 0.00% 52
Mega CITIGROUP INC $10 0.00% 1
Small Caitong International Asset Management Co., Ltd $10 0.00% 1
Large HUNTINGTON NATIONAL BANK Bank $10 0.00% 1
Small NFSG Corp $0 0.00% 0
Mid Advisory Services Network, LLC $0 0.00% 0
Key facts CIK 1509470 CUSIP 86887Q109 Visit website Investor relations

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