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Rossby Financial Portfolio holdings

AUM $547M
1-Year Est. Return 30.65%
This Fund
S&P 500
This Quarter Est. Return
+4.13%
1 Year Est. Return
+30.65%
3 Year Est. Return
5 Year Est. Return
10 Year Est. Return
AUM
$324M
AUM Growth
+$17.4M
Cap. Flow
+$8.72M
Cap. Flow %
2.69%
Top 10 Hldgs %
29.16%
Holding
1,883
New
402
Increased
687
Reduced
364
Closed
70

Sector Composition

Rank Sector Weight
1 Technology 10.03%
2 Financials 5.56%
3 Communication Services 3.61%
4 Materials 3.58%
5 Energy 3.48%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake
Capital Flow
SLM icon
1601
SLM Corp
SLM
$5.23B
$622 ﹤0.01%
+23
New +$631
MATX icon
1602
Matsons
MATX
$6.52B
$618 ﹤0.01%
5
+1
+25% +$107
PSN icon
1603
Parsons
PSN
$5.18B
$618 ﹤0.01%
+10
New +$783
DORM icon
1604
Dorman Products
DORM
$4.44B
$616 ﹤0.01%
5
WLY icon
1605
John Wiley & Sons Class A
WLY
$2.74B
$613 ﹤0.01%
20
+4
+25% +$141
MAC icon
1606
Macerich
MAC
$7.24B
$609 ﹤0.01%
33
+5
+18% +$88
ALGM icon
1607
Allegro MicroSystems
ALGM
$8.01B
$607 ﹤0.01%
+23
New +$633
CWT icon
1608
California Water Service
CWT
$3.08B
$607 ﹤0.01%
14
+3
+27% +$137
SANM icon
1609
Sanmina
SANM
$11.2B
$600 ﹤0.01%
4
-1
-20% -$148
WAY
1610
Waystar Holding Corp
WAY
$4.49B
$590 ﹤0.01%
+18
New +$641
ALKS icon
1611
Alkermes
ALKS
$8.3B
$588 ﹤0.01%
21
CSW
1612
CSW Industrials
CSW
$5.71B
$587 ﹤0.01%
+2
New +$533
PKX icon
1613
POSCO
PKX
$16.6B
$585 ﹤0.01%
+11
New +$580
INVH icon
1614
Invitation Homes
INVH
$18.1B
$584 ﹤0.01%
+21
New +$586
VHC icon
1615
VirnetX Holding Corp
VHC
$57.2M
$584 ﹤0.01%
35
XJH icon
1616
iShares ESG Screened S&P Mid-Cap ETF
XJH
$431M
$580 ﹤0.01%
13
SEDG icon
1617
SolarEdge
SEDG
$2.95B
$577 ﹤0.01%
20
EOSE icon
1618
Eos Energy Enterprises
EOSE
$1.55B
$573 ﹤0.01%
50
ICUI icon
1619
ICU Medical
ICUI
$4.28B
$571 ﹤0.01%
4
+2
+100% +$268
GIL icon
1620
Gildan
GIL
$10.4B
$562 ﹤0.01%
+9
New +$535
MEDP icon
1621
Medpace
MEDP
$16B
$562 ﹤0.01%
+1
New +$568
UCB
1622
United Community Banks
UCB
$4.35B
$562 ﹤0.01%
18
+4
+29% +$123
SWX icon
1623
Southwest Gas
SWX
$6.47B
$560 ﹤0.01%
+7
New +$561
TTMI icon
1624
TTM Technologies
TTMI
$14.1B
$552 ﹤0.01%
+8
New +$522
ASO icon
1625
Academy Sports + Outdoors
ASO
$3.03B
$550 ﹤0.01%
11
+2
+22% +$99

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Rossby Financial's Q4 2025 Portfolio in Review

As of Q4 2025, Rossby Financial held 1,883 positions worth $324M, up 5.7% from $307M the previous quarter. Its ten largest holdings account for 29% of the portfolio.

Rossby Financial's Q4 2025 filing shows 402 new, 687 increased, 364 reduced and 70 closed positions. Its largest new stake was Bluerock Private Real Estate Fund: 254,779 shares worth $3.82M. The largest sale was iShares 7-10 Year Treasury Bond ETF, an estimated $4.28M.

By sector, the portfolio is most concentrated in Technology at 10% of assets, down from 12% a quarter earlier, followed by Financials and Communication Services.

  • Rossby Financial's largest Q4 2025 buy was Bluerock Private Real Estate Fund: 254,779 shares worth $3.82M.
  • Rossby Financial added most to Vanguard Morningstar Growth ETF in Q4 2025, an estimated $3.75M increase.
  • Rossby Financial's biggest Q4 2025 reduction was iShares 7-10 Year Treasury Bond ETF, cutting an estimated $4.28M.
  • Rossby Financial fully exited Global Payments in Q4 2025, selling an estimated $298K.
  • Rossby Financial's ten largest holdings make up 29% of its $324M portfolio in Q4 2025.
  • Rossby Financial opened 402 new positions and closed 70 in Q4 2025.
  • Rossby Financial's portfolio value rose 5.7% quarter-over-quarter to $324M.

Based on Rossby Financial's 13F filing for Q4 2025, filed 12 Feb 2026.