Login
Super Investors Rossby Financial, LCC
RF

Rossby Financial, LCC

Quarterly 13F snapshot: US-listed longs only, no performance figures — 13F data cannot support them.

Portfolio value
$547M
Positions
2144
Quarter ended
June 30, 2026
Filed
August 04, 2026

Reported portfolio value by quarter (7 quarters reported)

$547M $162M
Q4 24 Q2 25 Q4 25 Q2 26

$162M in Q4 2024 → $547M now. Hover for any quarter.

Holdings

As reported for the quarter ended June 30, 2026. Activity is the change in share count since the prior quarter's filing.

Holding % of portfolio Activity Shares Value
MS Morgan Stanley ETF Trust 6.1% Added 9.6% 395,225 $33.6M
MS Morgan Stanley ETF Trust 4.2% Added 11% 242,957 $23M
IT Ishares Tr 2.3% Added 8.1% 136,447 $12.5M
ES Ea Series Trust 2.3% Added 3.7% 170,469 $12.4M
SS Schwab Strategic Tr 2.1% Added 77% 332,494 $11.3M
Nvidia Corporation 1.9% Added 9.4% 50,737 $10.2M
Apple Inc 1.8% Added 15% 33,562 $9.71M
SS State Str SPDR S&P 500 ETF T 1.6% Trimmed 1.1% 11,454 $8.55M
VI Vanguard Index Fds 1.5% Trimmed 3.9% 11,821 $8.12M
IT Ishares Tr 1.3% Added 25% 148,835 $7.06M
VE Vaneck ETF Trust 1.3% Added 10% 292,147 $7.05M
VB Vanguard Bd Index Fds 1.3% Trimmed 3.2% 90,084 $6.91M
IT Ishares Tr 1.2% Added 21% 9,151 $6.77M
Microsoft Corp 1.1% Added 14% 16,739 $6.24M
VI Vanguard Index Fds 1.1% Added 400% 62,505 $6.02M
IT Ishares Tr 1.1% Added 0.2% 27,069 $5.94M
VW Vanguard World Fd 1.0% Trimmed 0.8% 25,075 $5.65M
SS SPDR Series Trust 1.0% Added 52% 62,179 $5.46M
Amazon Com Inc 1.0% Added 22% 21,909 $5.22M
SS Schwab Strategic Tr 0.9% Trimmed 0.7% 166,973 $5.09M
IT Ishares Tr 0.9% Added 2.8% 65,845 $5.08M
Alphabet Inc 0.9% Added 7.4% 13,972 $4.99M
SI SPDR Index Shs Fds 0.8% Added 13% 89,801 $4.53M
IT Ishares Tr 0.8% Trimmed 0.2% 55,808 $4.46M
SS Schwab Strategic Tr 0.7% Added 27% 77,089 $4.07M
NE Nushares ETF Tr 0.7% Added 2.2% 77,279 $4.03M
Alphabet Inc 0.7% Trimmed 32% 10,916 $3.86M
ES Ea Series Trust 0.7% Added 31% 32,130 $3.76M
SA Sprott Asset Management LP 0.7% Trimmed 0.9% 194,160 $3.66M
I Ishares Inc 0.6% Added 13% 42,064 $3.48M
SS Schwab Strategic Tr 0.6% Added 3.8% 90,225 $3.14M
Broadcom Inc 0.6% Added 2.2% 8,013 $3.03M
IT Ishares Tr 0.5% Added 5.7% 33,401 $2.97M
Jpmorgan Chase & Co 0.5% Added 31% 9,077 $2.97M
VB Vanguard Bd Index Fds 0.5% Added 12% 38,873 $2.85M
EL Eli Lilly & Co 0.5% Added 46% 2,376 $2.85M
BP Bluerock Pvt Real Estate Fd 0.5% Trimmed 9.7% 212,056 $2.76M
VT Vanguard Tax-managed Fds 0.5% Added 69% 38,569 $2.71M
VI Vanguard Index Fds 0.5% Added 34% 12,397 $2.65M
VW Vanguard Whitehall Fds 0.5% Trimmed 41% 16,247 $2.57M
JP J P Morgan Exchange Traded F 0.5% Added 69% 48,568 $2.53M
SS Schwab Strategic Tr 0.5% Added 13% 90,705 $2.51M
VI Vanguard Index Fds 0.5% Added 105% 6,788 $2.51M
SS SPDR Series Trust 0.5% Trimmed 3.0% 25,747 $2.48M
Meta Platforms Inc 0.5% Added 16% 4,374 $2.46M
MS Morgan Stanley ETF Trust 0.4% Added 14% 47,335 $2.38M
VS Vanguard Scottsdale Fds 0.4% Trimmed 27% 27,867 $2.3M
Micron Technology Inc 0.4% Added 5.4% 1,946 $2.25M
IT Ishares Tr 0.4% Added 26% 22,482 $2.23M
Walmart Inc 0.4% Added 9.6% 18,973 $2.15M
TT Tidal Trust Iii 0.4% Trimmed 0.4% 34,644 $2.11M
Johnson & Johnson 0.4% Added 21% 8,159 $2.07M
KM Kinder Morgan Inc Del 0.4% Added 5.7% 63,835 $2.04M
IT Ishares Tr 0.4% Added 4.7% 84,767 $1.96M
SS SPDR Series Trust 0.4% Trimmed 3.2% 28,969 $1.96M
Intel Corp 0.4% Added 2.9% 14,159 $1.94M
SS Schwab Strategic Tr 0.4% Added 24% 78,377 $1.93M
VW Vanguard World Fd 0.4% Trimmed 11% 6,446 $1.93M
TS Taiwan Semiconductor Manufac 0.4% Added 11% 4,017 $1.92M
IT Ishares Tr 0.3% Trimmed 24% 41,466 $1.91M

Showing top 60 of 2144 positions.

Timeline of changes

What changed each quarter, from the filings' own share counts. Largest moves first; most recent 6 quarters.

Q2 2026

quarter ended June 30, 2026 · filed August 04, 2026

Company Action Shares changed Value of change % of portfolio
IS Ishares Silver Trust Exited −76,000 −$5.18M —
SS Schwab Strategic Tr Added +144,761 +$4.9M 2.1%
VI Vanguard Index Fds Added +50,005 +$4.82M 1.1%
MS Morgan Stanley ETF Trust Added +34,505 +$2.93M 6.1%
CG Cme Group Inc Com Exited −9,500 −$2.82M —
IT Ishares Tr Trimmed −25,388 −$2.56M —
MS Morgan Stanley ETF Trust Added +23,762 +$2.24M 4.2%
SS SPDR Series Trust Added +21,305 +$1.87M 1.0%
Alphabet Inc Trimmed −5,219 −$1.84M 0.7%
VW Vanguard Whitehall Fds Trimmed −11,318 −$1.79M 0.5%

Showing the 10 largest of 1994 changes.

Q1 2026

quarter ended March 31, 2026 · filed May 11, 2026

Company Action Shares changed Value of change % of portfolio
SS State Street SPDR S&P 500 ETF Added +10,087 +$6.61M 1.6%
SU Schwab U.s. Large-cap Growth ETF Added +185,473 +$5.45M 1.1%
VS Vanguard S&P 500 ETF Added +8,971 +$5.4M 1.5%
IM Ishares Msci Usa Quality Factor ETF Added +25,066 +$4.83M 1.1%
SF Schwab Fundamental U.s. Broad Market ETF New +168,076 +$4.58M 0.9%
CI Calvert International Responsible Index ETF Added +50,598 +$3.74M 5.4%
SS State Street SPDR Portfolio Developed World Ex-us ETF Added +78,800 +$3.66M 0.8%
CU Calvert Us Large-cap Core Responsible Index ETF Added +45,174 +$3.65M 3.6%
SF Schwab Fundamental International Equity ETF Added +60,288 +$2.98M 0.6%
SS State Street SPDR Portfolio S&P 500 ETF Added +37,430 +$2.89M 0.6%

Showing the 10 largest of 2037 changes.

Q4 2025

quarter ended December 31, 2025 · filed February 12, 2026

Company Action Shares changed Value of change % of portfolio
I7 Ishares 7-10 Year Treasury Bond ETF Trimmed −44,234 −$4.25M 0.1%
BP Bluerock Pvt Real Estate Fd Com New +254,779 +$3.82M 1.2%
VG Vanguard Growth ETF Added +7,704 +$3.76M 1.3%
IR Ishares Russell Top 200 Growth ETF Trimmed −12,123 −$3.36M 0.1%
VH Vanguard High Dividend Yield Index ETF Added +20,698 +$2.97M 1.0%
VI Vanguard Intermediate-term Corporate Bond ETF Added +31,314 +$2.62M 0.8%
IS Ishares Silver Trust Trimmed −36,000 −$2.32M 0.9%
IC Ishares Core Total Usd Bond Market ETF Added +47,722 +$2.22M 0.7%
JH Janus Henderson Aaa Clo ETF Trimmed −43,065 −$2.18M —
CI Calvert International Responsible Index ETF Added +23,296 +$1.66M 6.8%

Showing the 10 largest of 1534 changes.

Q3 2025

quarter ended September 30, 2025 · filed November 10, 2025

Company Action Shares changed Value of change % of portfolio
BT Biosig Technologies Inc Com Exited −326,630 −$2.33M —
CI Calvert International Responsible Index ETF Added +33,001 +$2.27M 6.4%
IS Ishares Short Treasury Bond ETF Trimmed −17,746 −$1.95M 0.1%
SC Streamex Corp Com New +300,130 +$1.68M 0.5%
CU Calvert Us Large-cap Core Responsible Index ETF Added +16,492 +$1.36M 4.3%
VG Vaneck Green Bond ETF Added +38,079 +$929K 2.2%
IR Ishares Russell 2500 ETF Added +8,266 +$611K 2.4%
IE Ishares Esg Aware Us Aggregate Bond ETF Added +12,693 +$609K 0.6%
MC Mastec Inc Com New +2,750 +$591K 0.2%
IC Ishares Core S&P 500 ETF Added +832 +$559K 1.0%

Showing the 10 largest of 1051 changes.

Q2 2025

quarter ended June 30, 2025 · filed August 01, 2025

Company Action Shares changed Value of change % of portfolio
CI Calvert International Responsible Index ETF Added +160,279 +$10.4M 6.1%
IE Ishares Esg Aware Msci Usa ETF Trimmed −72,034 −$9.75M 0.2%
II Ishares Iboxx $ High Yield Corporate Bond ETF Added +39,934 +$3.22M 1.2%
NC Nvidia Corporation Com Added +16,704 +$2.64M 2.0%
IS Ishares Short Treasury Bond ETF Trimmed −17,674 −$1.95M 0.8%
SB SPDR Bloomberg High Yield Bond ETF Added +16,787 +$1.63M 0.6%
SB SPDR Bloomberg 1-3 Month T-bill ETF Trimmed −15,666 −$1.44M 0.1%
JU Jpmorgan Ultra-short Income ETF Trimmed −21,691 −$1.1M —
BT Biosig Technologies Inc Com Trimmed −124,500 −$889K 0.9%
CU Calvert Us Large-cap Core Responsible Index ETF Added +10,240 +$784K 4.1%

Showing the 10 largest of 890 changes.

Q1 2025

quarter ended March 31, 2025 · filed April 28, 2025

Company Action Shares changed Value of change % of portfolio
CI Calvert International Responsible Index ETF New +93,546 +$5.59M 2.4%
IS Ishares Short Treasury Bond ETF New +37,304 +$4.12M 1.7%
I7 Ishares 7-10 Year Treasury Bond ETF New +41,282 +$3.93M 1.7%
IR Ishares Russell Top 200 Growth ETF New +14,385 +$3.06M 1.3%
IE Ishares Esg Aware Msci Usa ETF Trimmed −20,983 −$2.52M 3.8%
CU Calvert Us Large-cap Core Responsible Index ETF Added +36,832 +$2.51M 3.9%
JH Janus Henderson Aaa Clo ETF New +41,786 +$2.11M 0.9%
IR Ishares Russell 2500 ETF Added +34,513 +$2.11M 2.2%
GC Globalstar Inc Com New Trimmed −92,024 −$1.8M 0.1%
SB SPDR Bloomberg 1-3 Month T-bill ETF New +18,778 +$1.72M 0.7%

Showing the 10 largest of 1081 changes.

Create Account

Sign up for free to unlock this feature.

Already have an account? Sign in

Premium Feature

This feature requires a premium subscription to unlock unlimited historical data and advanced analysis tools.

Premium includes:

  • Unlimited historical financial data
  • Advanced analytics and insights
  • Priority support