Filed: 1/23/2026ACC: 0001193125-26-020430
📋 What this filing means
YORKTOWN MANAGEMENT & RESEARCH CO INC filed this quarterly 13F‑HR report disclosing 219 equity positions with a total reported market value of $125.09M. This filing provides a transparent view of the manager's long equity holdings as of the quarter end.
219
Positions
$125.09M
Total AUM (reported)
2.02M
Total Shares
Allocation by class
COM$71.69M57.3%
CL A$9.04M7.2%
COM CL A$6.70M5.4%
SHS$4.68M3.7%
COM NEW$4.53M3.6%
CONV BD ETF$2.66M2.1%
COM SHS$2.62M2.1%
Portfolio Concentration
Top 3$8.39M6.7%
4–10$13.39M10.7%
11–25$16.75M13.4%
Rest$86.56M69.2%
Top 3 weight
6.7%
Top 10 weight
17.4%
Voting Authority Distribution
Total shares with voting rights: 2.02M
Sole
Full voting authority
2.02M
shares
% of voting shares100.0%
Shared
Joint voting authority
0.00
shares
% of voting shares0.0%
None
No voting authority
0.00
shares
% of voting shares0.0%
Investment Discretion (by position count)
Sole219
Shared0
Other0
Dominant voting typeSole · 100.0% of voting shares
Institutional Holdings219
Rows:
Comfort Systems USA, Inc.
SOLEShares3.50K
TypeSH
Market value$3.27M
2.61%
Sole
3.50K
Shared
0.00
None
0.00
iShares Convertible Bond ETF
SOLEShares27K
TypeSH
Market value$2.66M
2.13%
Sole
27K
Shared
0.00
None
0.00
IES Holdings, Inc.
SOLEShares6.34K
TypeSH
Market value$2.47M
1.97%
Sole
6.34K
Shared
0.00
None
0.00
SPDR Bloomberg Convertible Securities ETF
SOLEShares27K
TypeSH
Market value$2.41M
1.93%
Sole
27K
Shared
0.00
None
0.00
Vanguard Emerging Markets Government Bond ETF
SOLEShares33K
TypeSH
Market value$2.23M
1.78%
Sole
33K
Shared
0.00
None
0.00
LPL Financial Holdings, Inc.
SOLEShares5.29K
TypeSH
Market value$1.89M
1.51%
Sole
5.29K
Shared
0.00
None
0.00
CyberArk Software Ltd.
SOLEShares4.05K
TypeSH
Market value$1.81M
1.44%
Sole
4.05K
Shared
0.00
None
0.00
Fabrinet
SOLEShares3.80K
TypeSH
Market value$1.73M
1.38%
Sole
3.80K
Shared
0.00
None
0.00
Insmed, Inc.
SOLEShares9.60K
TypeSH
Market value$1.67M
1.34%
Sole
9.60K
Shared
0.00
None
0.00
Mueller Industries, Inc.
SOLEShares14.45K
TypeSH
Market value$1.66M
1.33%
Sole
14.45K
Shared
0.00
None
0.00
Axon Enterprise, Inc.
SOLEShares2.65K
TypeSH
Market value$1.51M
1.20%
Sole
2.65K
Shared
0.00
None
0.00
Robinhood Markets, Inc.
SOLEShares12.30K
TypeSH
Market value$1.39M
1.11%
Sole
12.30K
Shared
0.00
None
0.00
Arista Networks, Inc.
SOLEShares9.80K
TypeSH
Market value$1.28M
1.03%
Sole
9.80K
Shared
0.00
None
0.00
iShares Preferred and Income Securities ETF
SOLEShares40K
TypeSH
Market value$1.24M
0.99%
Sole
40K
Shared
0.00
None
0.00
FTAI Aviation Ltd.
SOLEShares5.80K
TypeSH
Market value$1.14M
0.91%
Sole
5.80K
Shared
0.00
None
0.00
WESCO International, Inc.
SOLEShares4.55K
TypeSH
Market value$1.11M
0.89%
Sole
4.55K
Shared
0.00
None
0.00
KLA Corporation
SOLEShares890.00
TypeSH
Market value$1.08M
0.86%
Sole
890.00
Shared
0.00
None
0.00
Nova Ltd.
SOLEShares3.20K
TypeSH
Market value$1.05M
0.84%
Sole
3.20K
Shared
0.00
None
0.00
Raymond James Financial, Inc.
SOLEShares6.45K
TypeSH
Market value$1.04M
0.83%
Sole
6.45K
Shared
0.00
None
0.00
Medpace Holdings, Inc.
SOLEShares1.80K
TypeSH
Market value$1.01M
0.81%
Sole
1.80K
Shared
0.00
None
0.00
Sportradar Group A.G.
SOLEShares42.10K
TypeSH
Market value$1.00M
0.80%
Sole
42.10K
Shared
0.00
None
0.00
StoneX Group, Inc.
SOLEShares10.50K
TypeSH
Market value$998.9K
0.80%
Sole
10.50K
Shared
0.00
None
0.00
Gold Fields Ltd.
SOLEShares22.75K
TypeSH
Market value$993.3K
0.79%
Sole
22.75K
Shared
0.00
None
0.00
Accelerant Holdings
SOLEShares59.30K
TypeSH
Market value$969.6K
0.78%
Sole
59.30K
Shared
0.00
None
0.00
Penumbra, Inc.
SOLEShares3K
TypeSH
Market value$932.7K
0.75%
Sole
3K
Shared
0.00
None
0.00
| Issuer | Class | Shares | Type | Value / Portfolio % | Voting — Sole | Shared | None |
|---|---|---|---|---|---|---|---|
Comfort Systems USA, Inc.SOLE | COM | 3.50K | SH | $3.27M 2.61% | 3.50K | 0.00 | 0.00 |
iShares Convertible Bond ETFSOLE | CONV BD ETF | 27K | SH | $2.66M 2.13% | 27K | 0.00 | 0.00 |
IES Holdings, Inc.SOLE | COM | 6.34K | SH | $2.47M 1.97% | 6.34K | 0.00 | 0.00 |
SPDR Bloomberg Convertible Securities ETFSOLE | STATE STREET SPD | 27K | SH | $2.41M 1.93% | 27K | 0.00 | 0.00 |
Vanguard Emerging Markets Government Bond ETFSOLE | EM MK GOV BD ETF | 33K | SH | $2.23M 1.78% | 33K | 0.00 | 0.00 |
LPL Financial Holdings, Inc.SOLE | COM | 5.29K | SH | $1.89M 1.51% | 5.29K | 0.00 | 0.00 |
CyberArk Software Ltd.SOLE | SHS | 4.05K | SH | $1.81M 1.44% | 4.05K | 0.00 | 0.00 |
FabrinetSOLE | SHS | 3.80K | SH | $1.73M 1.38% | 3.80K | 0.00 | 0.00 |
Insmed, Inc.SOLE | COM PAR $.01 | 9.60K | SH | $1.67M 1.34% | 9.60K | 0.00 | 0.00 |
Mueller Industries, Inc.SOLE | COM | 14.45K | SH | $1.66M 1.33% | 14.45K | 0.00 | 0.00 |
Axon Enterprise, Inc.SOLE | COM | 2.65K | SH | $1.51M 1.20% | 2.65K | 0.00 | 0.00 |
Robinhood Markets, Inc.SOLE | COM CL A | 12.30K | SH | $1.39M 1.11% | 12.30K | 0.00 | 0.00 |
Arista Networks, Inc.SOLE | COM SHS | 9.80K | SH | $1.28M 1.03% | 9.80K | 0.00 | 0.00 |
iShares Preferred and Income Securities ETFSOLE | PFD AND INCM SEC | 40K | SH | $1.24M 0.99% | 40K | 0.00 | 0.00 |
FTAI Aviation Ltd.SOLE | SHS | 5.80K | SH | $1.14M 0.91% | 5.80K | 0.00 | 0.00 |
WESCO International, Inc.SOLE | COM | 4.55K | SH | $1.11M 0.89% | 4.55K | 0.00 | 0.00 |
KLA CorporationSOLE | COM NEW | 890.00 | SH | $1.08M 0.86% | 890.00 | 0.00 | 0.00 |
Nova Ltd.SOLE | COM | 3.20K | SH | $1.05M 0.84% | 3.20K | 0.00 | 0.00 |
Raymond James Financial, Inc.SOLE | COM | 6.45K | SH | $1.04M 0.83% | 6.45K | 0.00 | 0.00 |
Medpace Holdings, Inc.SOLE | COM | 1.80K | SH | $1.01M 0.81% | 1.80K | 0.00 | 0.00 |
Sportradar Group A.G.SOLE | CLASS A ORD SHS | 42.10K | SH | $1.00M 0.80% | 42.10K | 0.00 | 0.00 |
StoneX Group, Inc.SOLE | COM | 10.50K | SH | $998.9K 0.80% | 10.50K | 0.00 | 0.00 |
Gold Fields Ltd.SOLE | SPONSORED ADR | 22.75K | SH | $993.3K 0.79% | 22.75K | 0.00 | 0.00 |
Accelerant HoldingsSOLE | CL A | 59.30K | SH | $969.6K 0.78% | 59.30K | 0.00 | 0.00 |
Penumbra, Inc.SOLE | COM | 3K | SH | $932.7K 0.75% | 3K | 0.00 | 0.00 |
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