IC
IronBridge Capital Management LP Historical SEC 13F Holdings & Archive (Q1 2017)
IronBridge Capital Management LPCIK: 0001273960
Diversified strategyContrarianQuality / disciplined sizing
Total reported value
$1.7B
Reporting period: 2017-03-31 · Number of holdings: 186
IronBridge Capital Management LP disclosed 186 holdings in its latest 13F filing for the period ending 2017-03-31, with total reported value of $1.7B and a quarterly turnover rate of 49.3%.
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Personality snowflake
- Concentration
- 3.87
- Portfolio Stability
- 49.27
- Momentum
- 0
- Sector conviction
- 54.14
- Diversification
- 100
- Sizing Uniformity
- 91.03
IronBridge Capital Management LP's disclosed holdings carry a Herfindahl concentration index of 0.010 — mathematically equivalent to about 103 equally-sized positions, well below its 186 actual disclosed holdings. That gap points to a strategy built around a small core of high-conviction bets rather than broad diversification.
Position sizes are fairly uniform across the portfolio (a coefficient of variation of 0.90), suggesting a disciplined, rules-based approach to how much capital goes into each idea.
No strong tilt toward either adding to existing winners or initiating outsized new positions was observed in the latest reported quarter.
Sector classification currently covers about 18% of this portfolio's disclosed value; the remainder includes holdings (e.g. unmapped tickers, options, or other security types) not yet covered by our sector mapping.
Source and citation information
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Recent moves
View source Form 13F filing on SEC.govTrim AEP
-50.1% -$40.0M
Trim ZTS
-58.1% -$35.0M
Trim EOG
-50.7% -$34.9M
Trim CMCSA
-15.9% -$34.0M
Trim FISV
-98.2% -$23.7M
Trim ROP
-71.7% -$27.5M
Holdings Map
New buyAddUnchangedTrim
Top 10 holdings by weight
Full holdings list this quarter
| # | Ticker | Issuer | Asset Subclass | Weight | Weight Change | Shares Change | 4Q Trend |
|---|---|---|---|---|---|---|---|
| 1 | FRCB | First Republic Bank/ca | Stock-Financials | 2.86% | -0.85% | -43.93% | |
| 2 | AEP | American Electric Power Company, Inc. | Stock-Utilities | 2.15% | -1.24% | -50.10% | |
| 3 | EOG | Eog Resources Inc | Stock-Energy | 1.91% | -1.07% | -50.73% | |
| 4 | MSFT | Microsoft CORP | Stock-Tech | 1.85% | -0.73% | -50.05% | |
| 5 | CMCSA | Comcast Corp-class A | Stock-Comm Services | 1.74% | -1.07% | -15.85% | |
| 6 | AFG | American Financial Group Inc | Stock-Financials | 1.69% | — | -23.08% | |
| 7 | ECL | Ecolab Inc | Stock-Materials | 1.62% | -0.65% | -50.53% | |
| 8 | JKHY | Jack Henry & Associates Inc | Stock-Tech | 1.59% | — | -6.12% | |
| 9 | MTN | Vail Resorts Inc | Stock-Consumer Disc | 1.56% | — | -3.51% | |
| 10 | BAM | Brookfield Asset Management Ltd. | Stock-Financials | 1.54% | -0.58% | -51.34% | |
| 11 | ZTS | Zoetis Inc | Stock-Healthcare | 1.52% | -1.17% | -58.13% | |
| 12 | WFC | Wells Fargo & Co | Stock-Financials | 1.51% | -0.36% | -41.08% | |
| 13 | TMO | Thermo Fisher Scientific Inc | Stock-Healthcare | 1.49% | -0.55% | -50.34% | |
| 14 | ISBCUSD | Investors Bancorp Inc | Stock-Other | 1.34% | — | -6.50% | |
| 15 | UGI | Ugi CORP | Stock-Utilities | 1.34% | — | -20.70% | |
| 16 | WST | West Pharmaceutical Services | Stock-Healthcare | 1.33% | -0.16% | -31.70% | |
| 17 | TSCO | Tractor Supply Company | Stock-Consumer Disc | 1.32% | — | -9.06% | |
| 18 | OXY | Occidental Petroleum CORP | Stock-Energy | 1.31% | -0.85% | -49.64% | |
| 19 | LLY | Eli Lilly & Co | Stock-Healthcare | 1.29% | -0.35% | -49.11% | |
| 20 | SBUX | Starbucks CORP | Stock-Consumer Disc | 1.20% | -0.51% | -50.63% | |
| 21 | AAPL | Apple Inc | Stock-Tech | 1.14% | -0.21% | -49.79% | |
| 22 | GOOGL | Alphabet Inc-cl A | Stock-Comm Services | 1.12% | -0.35% | -47.32% | |
| 23 | CFR | Cullen/frost Bankers Inc | Stock-Financials | 1.05% | — | -6.49% | |
| 24 | CELG | Celgene CORP | Stock-Other | 1.05% | -0.40% | -50.35% | |
| 25 | RCL | Royal Caribbean Cruises Ltd. | Stock-Consumer Disc | 1.04% | -0.28% | -51.10% | |
| 26 | NKE | Nike Inc -cl B | Stock-Consumer Disc | 1.01% | -0.09% | -37.64% | |
| 27 | V | Visa Inc-class A Shares | Stock-Financials | 1.01% | -0.30% | -50.03% | |
| 28 | HP5A | Equity Commonwealth | Stock-Other | 0.99% | — | -7.43% | |
| 29 | CW | Curtiss-wright CORP | Stock-Industrials | 0.98% | — | -5.41% | |
| 30 | TYL | Tyler Technologies Inc | Stock-Tech | 0.97% | — | -8.01% | |
| 31 | SXT | Sensient Technologies CORP | Stock-Materials | 0.95% | — | -6.98% | |
| 32 | ✓ | Energen CORP | Stock-Other | 0.95% | — | -10.17% | |
| 33 | NWL | Newell Brands Inc | Stock-Consumer Staples | 0.94% | -0.06% | -34.22% | |
| 34 | ✓ | Buffalo Wild Wings Inc | Stock-Other | 0.91% | — | -4.04% | |
| 35 | AKR | Acadia Realty Trust | Stock-Other | 0.91% | — | -7.03% | |
| 36 | META | Meta Platforms Inc-class A | Stock-Comm Services | 0.91% | -0.18% | -50.11% | |
| 37 | CYEUR | Cypress Semiconductor CORP | Stock-Other | 0.89% | — | -3.88% | |
| 38 | IEX | Idex CORP | Stock-Industrials | 0.89% | — | -1.49% | |
| 39 | BSX | Boston Scientific CORP | Stock-Healthcare | 0.89% | -0.28% | -51.23% | |
| 40 | CASY | Casey's General Stores Inc | Stock-Consumer Disc | 0.88% | — | -10.77% | |
| 41 | ITT | Itt Inc | Stock-Industrials | 0.85% | — | -7.15% | |
| 42 | PTC | Ptc Inc | Stock-Tech | 0.85% | — | +44.72% | |
| 43 | VMI | Valmont Industries | Stock-Industrials | 0.83% | — | +13.20% | |
| 44 | ✓ | Lasalle Hotel Pptys | Stock-Other | 0.81% | — | +8.90% | |
| 45 | LFUS | Littelfuse Inc | Stock-Tech | 0.81% | — | +61.49% | |
| 46 | CMD | Cantel Medical CORP | Stock-Other | 0.80% | — | +0.09% | |
| 47 | ROP | Roper Technologies Inc | Stock-Tech | 0.78% | -1.03% | -71.66% | |
| 48 | BANR | Banner Corporation | Stock-Other | 0.77% | — | -12.70% | |
| 49 | ITW | Illinois Tool Works | Stock-Industrials | 0.75% | -0.32% | -51.82% | |
| 50 | ✓ | Esterline Technologies CORP | Stock-Other | 0.75% | — | +0.65% |
1–50 of 186
Reported value over time
Sector allocation
Sector allocation over time
Quarterly history
| Period | Holdings | Total value | Stability | Top holdings | |
|---|---|---|---|---|---|
| 2017 Q1 | 186 | $1.7B | 49 | ||
| 2016 Q4 | 174 | $2.2B | 27 | ||
| 2016 Q3 | 171 | $2.2B | 11 | ||
| 2016 Q2 | 176 | $2.3B | 24 | ||
| 2016 Q1 | 176 | $2.5B | 21 | ||
| 2015 Q4 | 178 | $2.5B | 22 | ||
| 2015 Q3 | 181 | $2.6B | 39 | ||
| 2015 Q2 | 181 | $3.3B | 19 | ||
| 2015 Q1 | 186 | $3.5B | 35 | ||
| 2014 Q4 | 193 | $3.6B | 21 | ||
| 2014 Q3 | 196 | $3.8B | 25 | ||
| 2014 Q2 | 197 | $4.1B | 34 | ||
| 2014 Q1 | 198 | $4.6B | 32 | ||
| 2013 Q4 | 205 | $4.7B | 28 | ||
| 2013 Q3 | 218 | $4.7B | 37 | ||
| 2013 Q2 | 221 | $5.1B | 0 |
* This report is exclusively curated by the AlphaSMO team. AlphaSMO is the web's most authoritative 13F / Inside Trader database, delivering precise insider trading and institutional holdings insights.
Holding changes this quarter
IronBridge Capital Management LP's most significant position changes for 2017-03-31: Sold out: Acuity Inc (AYI); New buy: Webster Financial CORP (WBS); New buy: Crown Castle Inc (CCI); Sold out: G-iii Apparel Group LTD (GIII); New buy: Monolithic Power Systems Inc (MPWR).
| # | Ticker | Issuer | Weight Change | Shares Change | Action |
|---|---|---|---|---|---|
| 1 | NUE | Nucor CORP | +0.7% | +3235.71% | Add |
| 2 | ALEX | Alexander & Baldwin Inc | +0.5% | +534.88% | Add |
| 3 | RWT | Redwood Trust Inc | +0.5% | +105.69% | Add |
| 4 | MKSI | Mks Inc | +0.4% | +69.36% | Add |
| 5 | NWL | Newell Brands Inc | -0.1% | -34.22% | Trim |
| 6 | NKE | Nike Inc -cl B | -0.1% | -37.64% | Trim |
| 7 | WST | West Pharmaceutical Services | -0.2% | -31.70% | Trim |
| 8 | STE | STERIS plc | -0.2% | -51.44% | Trim |
| 9 | META | Meta Platforms Inc-class A | -0.2% | -50.11% | Trim |
| 10 | AAPL | Apple Inc | -0.2% | -49.79% | Trim |
| 11 | RCL | Royal Caribbean Cruises Ltd. | -0.3% | -51.10% | Trim |
| 12 | BSX | Boston Scientific CORP | -0.3% | -51.23% | Trim |
| 13 | V | Visa Inc-class A Shares | -0.3% | -50.03% | Trim |
| 14 | ITW | Illinois Tool Works | -0.3% | -51.82% | Trim |
| 15 | EGP | Eastgroup Properties Inc | -0.3% | -55.53% | Trim |
| 16 | GS | Goldman Sachs Group Inc | -0.3% | -49.14% | Trim |
| 17 | LLY | Eli Lilly & Co | -0.4% | -49.11% | Trim |
| 18 | GOOGL | Alphabet Inc-cl A | -0.4% | -47.32% | Trim |
| 19 | WFC | Wells Fargo & Co | -0.4% | -41.08% | Trim |
| 20 | CELG | Celgene CORP | -0.4% | -50.35% | Trim |
| 21 | SBUX | Starbucks CORP | -0.5% | -50.63% | Trim |
| 22 | TMO | Thermo Fisher Scientific Inc | -0.6% | -50.34% | Trim |
| 23 | BAM | Brookfield Asset Management Ltd. | -0.6% | -51.34% | Trim |
| 24 | ECL | Ecolab Inc | -0.7% | -50.53% | Trim |
| 25 | SIVBEUR | Svb Financial Group | -0.7% | -72.71% | Trim |
| 26 | ARE | Alexandria Real Estate Equit | -0.7% | -73.09% | Trim |
| 27 | MSFT | Microsoft CORP | -0.7% | -50.05% | Trim |
| 28 | CERNCHF | Cerner CORP | -0.8% | -98.12% | Trim |
| 29 | FRCB | First Republic Bank/ca | -0.9% | -43.93% | Trim |
| 30 | OXY | Occidental Petroleum CORP | -0.9% | -49.64% | Trim |
| 31 | ROP | Roper Technologies Inc | -1% | -71.66% | Trim |
| 32 | FISV | Fiserv Inc | -1.1% | -98.15% | Trim |
| 33 | EOG | Eog Resources Inc | -1.1% | -50.73% | Trim |
| 34 | CMCSA | Comcast Corp-class A | -1.1% | -15.85% | Trim |
| 35 | ZTS | Zoetis Inc | -1.2% | -58.13% | Trim |
| 36 | AEP | American Electric Power Company, Inc. | -1.2% | -50.10% | Trim |
| 37 | AYI | Acuity Inc | — | EXIT | Sold out |
| 38 | WBS | Webster Financial CORP | — | NEW | New buy |
| 39 | CCI | Crown Castle Inc | — | NEW | New buy |
| 40 | GIII | G-iii Apparel Group LTD | — | EXIT | Sold out |
| 41 | MPWR | Monolithic Power Systems Inc | — | NEW | New buy |
| 42 | ✓ | Microsemi CORP Com | — | NEW | New buy |
| 43 | ✓ | — | EXIT | Sold out | |
| 44 | CVBF | Cvb Financial CORP | — | NEW | New buy |
| 45 | TCBK | Trico Bancshares | — | NEW | New buy |
| 46 | COHR | Coherent Corp. | — | NEW | New buy |
| 47 | NHI | Natl Health Investors Inc | — | EXIT | Sold out |
| 48 | ROCK | Gibraltar Industries Inc | — | NEW | New buy |
| 49 | SNX | TD Synnex CORP | — | NEW | New buy |
| 50 | AVY | Avery Dennison CORP | — | NEW | New buy |
Filing History
FAQ
What is IronBridge Capital Management LP and what type of investor is it?
IronBridge Capital Management LP is an investment manager that files SEC Form 13F quarterly, disclosing its U.S. public equity holdings to regulators. As of the most recent reporting period (2017-03-31), the firm manages a tracked equity portfolio valued at approximately $1.7B, spread across 186 disclosed positions.
What are IronBridge Capital Management LP's largest equity positions?
Based on the latest 13F filing, IronBridge Capital Management LP's top holdings by market value are:
1. First Republic Bank/ca (FRCB) — $47.2M (2.9%)
2. American Electric Power Company, Inc. (AEP) — $35.6M (2.1%)
3. Eog Resources Inc (EOG) — $31.6M (1.9%)
4. Microsoft CORP (MSFT) — $30.5M (1.9%)
5. Comcast Corp-class A (CMCSA) — $28.8M (1.7%)
What changes did IronBridge Capital Management LP make in its most recent portfolio filing?
In the latest reported quarter, IronBridge Capital Management LP made 50 notable position adjustments: 10 new positions were initiated, 4 existing holdings were added to, 32 positions were partially reduced, and 4 were completely exited. The largest of these moves: Sold out: Acuity Inc (AYI); New buy: Webster Financial CORP (WBS); New buy: Crown Castle Inc (CCI); Sold out: G-iii Apparel Group LTD (GIII); New buy: Monolithic Power Systems Inc (MPWR)
What sectors does IronBridge Capital Management LP focus on?
IronBridge Capital Management LP is concentrated in the following sectors based on its current disclosed equity portfolio:
• Communication Services: 22.7%
• Health Care: 21.6%
• Financials: 18.1%
• Information Technology: 16.8%
• Consumer Discretionary: 12.7%
• Energy: 7.3%
Investment Profile
IronBridge Capital Management LP's portfolio is broadly diversified and moderately active.
Its turnover score has risen from 21 to 49 over the past 4 quarters — a shift toward more active trading.
It has added to its NUE position over the past two quarters (+$12.0M, now $12.3M), while trimming OXY over the same stretch (-$27.9M, still holding $21.6M).
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Developer Access
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