We are live on ! Find out more
RF

Rossby Financial Portfolio holdings

AUM $547M
1-Year Est. Return 30.65%
This Fund
S&P 500
This Quarter Est. Return
+8.95%
1 Year Est. Return
+30.65%
3 Year Est. Return
5 Year Est. Return
10 Year Est. Return
AUM
$307M
AUM Growth
+$35.9M
Cap. Flow
+$13.6M
Cap. Flow %
4.45%
Top 10 Hldgs %
28.07%
Holding
1,526
New
281
Increased
512
Reduced
210
Closed
45

Sector Composition

Rank Sector Weight
1 Technology 11.6%
2 Financials 5.12%
3 Industrials 4.57%
4 Communication Services 4.07%
5 Healthcare 3.95%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
BXSL icon
526
Blackstone Secured Lending
BXSL
$5.43B
$53.2K 0.02%
2,045
+323
+19% +$9.7K
DMXF icon
527
iShares ESG Advanced MSCI EAFE ETF
DMXF
$1.02B
$51.8K 0.02%
678
ALNY icon
528
Alnylam Pharmaceuticals
ALNY
$30.6B
$51.6K 0.02%
112
+63
+129% +$25.7K
MDB icon
529
MongoDB
MDB
$30.3B
$51.1K 0.02%
159
+87
+121% +$22.4K
JPLD icon
530
JPMorgan Limited Duration Bond ETF
JPLD
$3.95B
$50.7K 0.02%
968
DOX icon
531
Amdocs
DOX
$5.87B
$50.4K 0.02%
620
+175
+39% +$15.2K
CASY icon
532
Casey's General Stores
CASY
$31.6B
$50.3K 0.02%
90
+22
+32% +$11.5K
GROZ
533
Zacks Focus Growth ETF
GROZ
$109M
$49.6K 0.02%
1,679
+29
+2% +$803
PNC icon
534
PNC Financial Services
PNC
$102B
$49.2K 0.02%
248
FJP icon
535
First Trust Japan AlphaDEX Fund
FJP
$262M
$49K 0.02%
755
+186
+33% +$11.7K
BEP icon
536
Brookfield Renewable
BEP
$9.92B
$49K 0.02%
1,834
PFF icon
537
iShares Preferred and Income Securities ETF
PFF
$13.3B
$48.8K 0.02%
1,537
FTLS icon
538
First Trust Long/Short Equity ETF
FTLS
$2.49B
$48.6K 0.02%
693
+225
+48% +$15.2K
STIP icon
539
iShares 0-5 Year TIPS Bond ETF
STIP
$15.8B
$48.5K 0.02%
470
-21
-4% -$2.17K
ICLN icon
540
iShares Global Clean Energy ETF
ICLN
$2.37B
$47.7K 0.02%
3,002
-250
-8% -$3.54K
PSA icon
541
Public Storage
PSA
$61.1B
$47.4K 0.02%
163
IAI icon
542
iShares US Broker-Dealers & Securities Exchanges ETF
IAI
$1.38B
$47.3K 0.02%
272
ACWI icon
543
iShares MSCI ACWI ETF
ACWI
$33.4B
$47K 0.02%
338
AYI icon
544
Acuity Brands
AYI
$10.7B
$46.5K 0.02%
128
+70
+121% +$22.3K
NET icon
545
Cloudflare
NET
$104B
$45.8K 0.01%
211
+108
+105% +$22K
O icon
546
Realty Income
O
$58.5B
$45.6K 0.01%
755
VSS icon
547
Vanguard FTSE All-World ex-US Small-Cap Index Fund
VSS
$11.7B
$45.3K 0.01%
317
-7
-2% -$969
VT icon
548
Vanguard Total World Stock ETF
VT
$79.2B
$45.3K 0.01%
327
-184
-36% -$24.5K
DCOR icon
549
Dimensional US Core Equity 1 ETF
DCOR
$3.43B
$45.2K 0.01%
626
JMST icon
550
JPMorgan Ultra-Short Municipal Income ETF
JMST
$7.09B
$45.1K 0.01%
886
+10
+1% +$510

Similar funds

Rossby Financial's Q3 2025 Portfolio in Review

As of Q3 2025, Rossby Financial held 1,526 positions worth $307M, up 13% from $271M the previous quarter. Its ten largest holdings account for 28% of the portfolio.

Rossby Financial deployed $13.6M of net new capital in Q3 2025, opening 281 new positions and adding to 512 existing holdings. Its largest new stake was MasTec: 2,750 shares worth $591K.

By sector, the portfolio is most concentrated in Technology at 12% of assets, up from 11% a quarter earlier, followed by Financials and Industrials.

On the sell side, the largest reduction was iShares 0-1 Year Treasury Bond ETF, an estimated $1.96M trimmed.

  • Rossby Financial's largest Q3 2025 buy was MasTec: 2,750 shares worth $591K.
  • Rossby Financial added most to Calvert International Responsible Index ETF in Q3 2025, an estimated $2.18M increase.
  • Rossby Financial's biggest Q3 2025 reduction was iShares 0-1 Year Treasury Bond ETF, cutting an estimated $1.96M.
  • Rossby Financial fully exited MAG Silver in Q3 2025, selling an estimated $507K.
  • Rossby Financial's ten largest holdings make up 28% of its $307M portfolio in Q3 2025.
  • Rossby Financial opened 281 new positions and closed 45 in Q3 2025.
  • Rossby Financial's portfolio value rose 13% quarter-over-quarter to $307M.

Based on Rossby Financial's 13F filing for Q3 2025, filed 10 Nov 2025.